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<h3>
Sebastian Graf pushed to branch wip/T18341
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
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<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27">42f9bf20</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-08-31T19:19:21+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">PmCheck: Handle ⊥ and strict fields correctly (#18341)

In #18341, we discovered an incorrect digression from Lower Your Guards.
This MR changes what's necessary to support properly fixing #18341.

In particular, bottomness constraints are now properly tracked in the
oracle/inhabitation testing, as an additional field
`vi_bot :: Maybe Bool` in `VarInfo`. That in turn allows us to
model newtypes as advertised in the Appendix of LYG and fix #17725.

For some reason I couldn't follow, this also fixes #18273.

I also added a couple of regression tests that were missing. Most of
them were already fixed before.

In summary, this patch fixes #18341, #17725, #18273.
</pre>
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<h4>Changes:</h4>
<li id="a5cc2925ca8258af241be7e5b0381edf30266302">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#a5cc2925ca8258af241be7e5b0381edf30266302"><strong>.gitignore</strong></a>
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<pre style="margin: 0;"> <span id="LC233" class="line" lang="plaintext"># Tooling - vscode</span>
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<pre style="margin: 0;">+<span id="LC236" class="line" lang="plaintext"># Tooling - ghcide</span>
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<li id="6fcf64907fb5bdd93082d2d1eb94e4566e735865">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#6fcf64907fb5bdd93082d2d1eb94e4566e735865"><strong>compiler/GHC/Core/DataCon.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- ** Predicates on DataCons</span></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isNullarySrcDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isNullaryRepDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isTupleDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isUnboxedTupleCon</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isUnboxedSumCon</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC56" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isVanillaDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">classDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">dataConCannotMatch</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC56" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isVanillaDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;"><span class="idiff left">isNewDataCon</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff right"> </span><span class="nf" style="color: #900; font-weight: 600;">classDataCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">dataConCannotMatch</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">dataConUserTyVarsArePermuted</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isBanged</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isMarkedStrict</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">eqHsBang</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isSrcStrict</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isSrcUnpacked</span><span class="p">,</span></span>
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<td class="diff-line-num old_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
59
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">specialPromotedDc</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1477" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1477" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1477,6 +1477,10 @@ isUnboxedSumCon (MkData {dcRepTyCon = tc}) = isUnboxedSumTyCon tc</td>
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<pre style="margin: 0;"> <span id="LC1477" class="line" lang="haskell"><span class="n" style="color: #333;">isVanillaDataCon</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DataCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;"> <span id="LC1478" class="line" lang="haskell"><span class="n" style="color: #333;">isVanillaDataCon</span> <span class="n" style="color: #333;">dc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dcVanilla</span> <span class="n" style="color: #333;">dc</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1479" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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1479
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<pre style="margin: 0;"> <span id="LC1479" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1480" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1480" class="line" lang="haskell"><span class="cd">-- | Is this the 'DataCon' of a newtype?</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1480" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1481" class="line" lang="haskell"><span class="n" style="color: #333;">isNewDataCon</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DataCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1480" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1482" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1482" class="line" lang="haskell"><span class="n" style="color: #333;">isNewDataCon</span> <span class="n" style="color: #333;">dc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">isNewTyCon</span> <span class="p">(</span><span class="n" style="color: #333;">dataConTyCon</span> <span class="n" style="color: #333;">dc</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1483" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1483
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<pre style="margin: 0;">+<span id="LC1483" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1484" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1484
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<pre style="margin: 0;"> <span id="LC1484" class="line" lang="haskell"><span class="cd">-- | Should this DataCon be allowed in a type even without -XDataKinds?</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC1485" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Currently, only Lifted & Unlifted</span></span>
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<pre style="margin: 0;"> <span id="LC1486" class="line" lang="haskell"><span class="n" style="color: #333;">specialPromotedDc</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DataCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<br>
</li>
<li id="2fefe3125c649bc5377b06a7cca18e785855b79c">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#2fefe3125c649bc5377b06a7cca18e785855b79c"><strong>compiler/GHC/Data/Bag.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -6,7 +6,7 @@</td>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Bag: an unordered collection with duplicates</span></span>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC9" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ScopedTypeVariables, CPP, DeriveFunctor #-}</span></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ScopedTypeVariables, CPP, DeriveFunctor<span class="idiff left right">, TypeFamilies</span> #-}</span></span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.Data.Bag</span> <span class="p">(</span></span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Bag</span><span class="p">,</span> <span class="c1" style="color: #998; font-style: italic;">-- abstract type</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -27,9 +27,9 @@ module GHC.Data.Bag (</td>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Prelude</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Exts</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">IsList</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Misc</span></span>
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<pre style="margin: 0;">-<span id="LC32" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Monad</span></span>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Data</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -333,3 +333,8 @@ instance Traversable Bag where</td>
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="haskell">  <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">UnitBag</span> <span class="n" style="color: #333;">x</span><span class="p">)</span>     <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">UnitBag</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC334" class="line" lang="haskell">  <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TwoBags</span> <span class="n" style="color: #333;">b1</span> <span class="n" style="color: #333;">b2</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TwoBags</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">b1</span> <span class="o" style="font-weight: 600;"><*></span> <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">b2</span></span>
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<pre style="margin: 0;"> <span id="LC335" class="line" lang="haskell">  <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ListBag</span> <span class="n" style="color: #333;">xs</span><span class="p">)</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ListBag</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">xs</span></span>
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<pre style="margin: 0;">+<span id="LC336" class="line" lang="haskell"></span>
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<td class="diff-line-num new old_line" data-linenumber="336" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC337" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">IsList</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bag</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC338" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Item</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bag</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC339" class="line" lang="haskell">  <span class="n" style="color: #333;">fromList</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">listToBag</span></span>
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<pre style="margin: 0;">+<span id="LC340" class="line" lang="haskell">  <span class="n" style="color: #333;">toList</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bagToList</span></span></pre>
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<br>
</li>
<li id="65e2067fbb7377818b6cadff0531f44029499948">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#65e2067fbb7377818b6cadff0531f44029499948"><strong>compiler/GHC/HsToCore/Binds.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -184,8 +184,8 @@ dsHsBind dflags b@(FunBind { fun_id = L loc fun</td>
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<pre style="margin: 0;"> <span id="LC184" class="line" lang="haskell"><span class="n" style="color: #333;">dsHsBind</span> <span class="n" style="color: #333;">dflags</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PatBind</span> <span class="p">{</span> <span class="n" style="color: #333;">pat_lhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pat</span><span class="p">,</span> <span class="n" style="color: #333;">pat_rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="haskell">                         <span class="p">,</span> <span class="n" style="color: #333;">pat_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span></span>
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="haskell">                         <span class="p">,</span> <span class="n" style="color: #333;">pat_ticks</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">rhs_tick</span><span class="p">,</span> <span class="n" style="color: #333;">var_ticks</span><span class="p">)</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC187" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">covCheckGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindGuards</span> <span class="n" style="color: #333;">grhss</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC188" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">body_expr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGuarded</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC187" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">covCheckGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindGuards</span> <span class="n" style="color: #333;">grhss</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC188" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">body_expr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGuarded</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">body'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkOptTickBox</span> <span class="n" style="color: #333;">rhs_tick</span> <span class="n" style="color: #333;">body_expr</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC190" class="line" lang="haskell">              <span class="n" style="color: #333;">pat'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">decideBangHood</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">pat</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">force_var</span><span class="p">,</span><span class="n" style="color: #333;">sel_binds</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkSelectorBinds</span> <span class="n" style="color: #333;">var_ticks</span> <span class="n" style="color: #333;">pat</span> <span class="n" style="color: #333;">body'</span></span>
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</li>
<li id="6bdd5abc649727f2a802bc96ce5c276de19d3726">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#6bdd5abc649727f2a802bc96ce5c276de19d3726"><strong>compiler/GHC/HsToCore/Expr.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -215,8 +215,8 @@ dsUnliftedBind (PatBind {pat_lhs = pat, pat_rhs = grhss</td>
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215
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<pre style="margin: 0;"> <span id="LC215" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">pat_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span> <span class="n" style="color: #333;">body</span></span>
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<pre style="margin: 0;"> <span id="LC216" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span>     <span class="c1" style="color: #998; font-style: italic;">-- let C x# y# = rhs in body</span></span>
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<pre style="margin: 0;"> <span id="LC217" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- ==> case rhs of C x# y# -> body</span></span>
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<pre style="margin: 0;">-<span id="LC218" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">match_<span class="idiff left right">delt</span>as</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">covCheckGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindGuards</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;">-<span id="LC219" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rhs</span>          <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGuarded</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">match_<span class="idiff left right">delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC218" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">match_<span class="idiff left right">nabl</span>as</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">covCheckGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindGuards</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;">+<span id="LC219" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rhs</span>          <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGuarded</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">match_<span class="idiff left right">nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">upat</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">pat</span></span>
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="haskell">             <span class="n" style="color: #333;">eqn</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">EqnInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">eqn_pats</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="n" style="color: #333;">upat</span><span class="p">],</span></span>
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="haskell">                             <span class="n" style="color: #333;">eqn_orig</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">FromSource</span><span class="p">,</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="486" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="486" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -486,8 +486,8 @@ dsExpr (HsMultiIf res_ty alts)</td>
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<pre style="margin: 0;"> <span id="LC486" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC487" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
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<pre style="margin: 0;"> <span id="LC488" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">grhss</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">alts</span> <span class="p">(</span><span class="n" style="color: #333;">noLoc</span> <span class="n" style="color: #333;">emptyLocalBinds</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC489" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">covCheckGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">IfAlt</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;">-<span id="LC490" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">IfAlt</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC489" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">covCheckGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">IfAlt</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;">+<span id="LC490" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">IfAlt</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC491" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">error_expr</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkErrorExpr</span></span>
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<pre style="margin: 0;"> <span id="LC492" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">extractMatchResult</span> <span class="n" style="color: #333;">match_result</span> <span class="n" style="color: #333;">error_expr</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC493" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<br>
</li>
<li id="83f0b13548ac43fe13b1813fb407249ff9b825f7">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#83f0b13548ac43fe13b1813fb407249ff9b825f7"><strong>compiler/GHC/HsToCore/GuardedRHSs.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.Monad</span></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.Utils</span></span>
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<pre style="margin: 0;">-<span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Types</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Types</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Type</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Misc</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.SrcLoc</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="48" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="48" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -48,9 +48,9 @@ producing an expression with a runtime error in the corner case if</td>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">necessary.  The type argument gives the type of the @ei@.</span></span>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC51" class="line" lang="haskell"><span class="n" style="color: #333;">dsGuarded</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span></span>
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<pre style="margin: 0;">-<span id="LC52" class="line" lang="haskell"><span class="n" style="color: #333;">dsGuarded</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC53" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindRhs</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell"><span class="n" style="color: #333;">dsGuarded</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span></span>
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<pre style="margin: 0;">+<span id="LC52" class="line" lang="haskell"><span class="n" style="color: #333;">dsGuarded</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC53" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindRhs</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell">    <span class="n" style="color: #333;">error_expr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkErrorAppDs</span> <span class="n" style="color: #333;">nON_EXHAUSTIVE_GUARDS_ERROR_ID</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">empty</span></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell">    <span class="n" style="color: #333;">extractMatchResult</span> <span class="n" style="color: #333;">match_result</span> <span class="n" style="color: #333;">error_expr</span></span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -59,28 +59,28 @@ dsGuarded grhss rhs_ty rhss_deltas = do</td>
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHSs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsMatchContext</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ Guarded RHSs</span></span>
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span>                        <span class="c1" style="color: #998; font-style: italic;">-- ^ Type of RHS</span></span>
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<pre style="margin: 0;">-<span id="LC62" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span>             <span class="c1" style="color: #998; font-style: italic;">-- ^ Refined pattern match checking</span></span>
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<pre style="margin: 0;">+<span id="LC62" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span>             <span class="c1" style="color: #998; font-style: italic;">-- ^ Refined pattern match checking</span></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell">                                       <span class="c1" style="color: #998; font-style: italic;">--   models, one for the pattern part and</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell">                                       <span class="c1" style="color: #998; font-style: italic;">--   one for each GRHS.</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MatchResult</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC66" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHSs</span> <span class="n" style="color: #333;">hs_ctx</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">binds</span><span class="p">)</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC66" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHSs</span> <span class="n" style="color: #333;">hs_ctx</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">binds</span><span class="p">)</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">notNull</span> <span class="n" style="color: #333;">grhss</span> <span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC68" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">match_results</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">grhss</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span> <span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC69" class="line" lang="haskell">                          <span class="n" style="color: #333;">zipWithM</span> <span class="p">(</span><span class="n" style="color: #333;">dsGRHS</span> <span class="n" style="color: #333;">hs_ctx</span> <span class="n" style="color: #333;">rhs_ty</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">toList</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span><span class="p">)</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;">-<span id="LC70" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;"><span class="idiff left">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">getPmDelt</span>as</span></span>
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<pre style="margin: 0;">-<span id="LC71" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- We need to remember the <span class="idiff left right">Delt</span>as from the particular match context we</span></span>
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<pre style="margin: 0;">+<span id="LC68" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">match_results</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">grhss</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span> <span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC69" class="line" lang="haskell">                          <span class="n" style="color: #333;">zipWithM</span> <span class="p">(</span><span class="n" style="color: #333;">dsGRHS</span> <span class="n" style="color: #333;">hs_ctx</span> <span class="n" style="color: #333;">rhs_ty</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">toList</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span><span class="p">)</span> <span class="n" style="color: #333;">grhss</span></span>
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<pre style="margin: 0;">+<span id="LC70" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;"><span class="idiff left">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">getPmNabl</span>as</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC71" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- We need to remember the <span class="idiff left right">Nabl</span>as from the particular match context we</span></span>
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- are in, which might be different to when dsLocalBinds is actually</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- called.</span></span>
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<pre style="margin: 0;">-<span id="LC74" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ds_binds</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">updPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">dsLocalBinds</span> <span class="n" style="color: #333;">binds</span></span>
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<pre style="margin: 0;">+<span id="LC74" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ds_binds</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">updPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">dsLocalBinds</span> <span class="n" style="color: #333;">binds</span></span>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="haskell">             <span class="n" style="color: #333;">match_result1</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr1</span> <span class="n" style="color: #333;">combineMatchResults</span> <span class="n" style="color: #333;">match_results</span></span>
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="haskell">             <span class="n" style="color: #333;">match_result2</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">adjustMatchResultDs</span> <span class="n" style="color: #333;">ds_binds</span> <span class="n" style="color: #333;">match_result1</span></span>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="haskell">                             <span class="c1" style="color: #998; font-style: italic;">-- NB: nested dsLet inside matchResult</span></span>
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<pre style="margin: 0;"> <span id="LC78" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">match_result2</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC80" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHS</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsMatchContext</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LGRHS</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC80" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHS</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsMatchContext</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LGRHS</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC81" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MatchResult</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC82" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHS</span> <span class="n" style="color: #333;">hs_ctx</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhs_<span class="idiff left right">delt</span>as</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GRHS</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">guards</span> <span class="n" style="color: #333;">rhs</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC83" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">guards</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PatGuard</span> <span class="n" style="color: #333;">hs_ctx</span><span class="p">)</span> <span class="n" style="color: #333;">rhs_<span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;">+<span id="LC82" class="line" lang="haskell"><span class="n" style="color: #333;">dsGRHS</span> <span class="n" style="color: #333;">hs_ctx</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhs_<span class="idiff left right">nabl</span>as</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GRHS</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">guards</span> <span class="n" style="color: #333;">rhs</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC83" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">guards</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PatGuard</span> <span class="n" style="color: #333;">hs_ctx</span><span class="p">)</span> <span class="n" style="color: #333;">rhs_<span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC84" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC85" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;"> <span id="LC86" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">************************************************************************</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="92" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="92" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -92,7 +92,7 @@ dsGRHS hs_ctx rhs_ty rhs_deltas (L _ (GRHS _ guards rhs))</td>
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<pre style="margin: 0;"> <span id="LC92" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC93" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">GuardStmt</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">]</span>     <span class="c1" style="color: #998; font-style: italic;">-- Guard</span></span>
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<pre style="margin: 0;"> <span id="LC94" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsStmtContext</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span>   <span class="c1" style="color: #998; font-style: italic;">-- Context</span></span>
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<pre style="margin: 0;">-<span id="LC95" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span>                <span class="c1" style="color: #998; font-style: italic;">-- The RHS's covered set for PmCheck</span></span>
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<td class="diff-line-num new old_line" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC95" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span>                <span class="c1" style="color: #998; font-style: italic;">-- The RHS's covered set for PmCheck</span></span>
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<pre style="margin: 0;"> <span id="LC96" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span>         <span class="c1" style="color: #998; font-style: italic;">-- RHS</span></span>
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<pre style="margin: 0;"> <span id="LC97" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span>                  <span class="c1" style="color: #998; font-style: italic;">-- Type of RHS of guard</span></span>
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MatchResult</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">)</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -100,8 +100,8 @@ matchGuards :: [GuardStmt GhcTc]     -- Guard</td>
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See comments with HsExpr.Stmt re what a BodyStmt means</span></span>
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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Here we must be in a guard context (not do-expression, nor list-comp)</span></span>
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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC103" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC104" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="n" style="color: #333;">core_rhs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">updPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">dsLExpr</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC103" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="n" style="color: #333;">core_rhs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">updPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">dsLExpr</span> <span class="n" style="color: #333;">rhs</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC105" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">cantFailMatchResult</span> <span class="n" style="color: #333;">core_rhs</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC106" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC107" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- BodyStmts must be guards</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -111,31 +111,31 @@ matchGuards [] _ deltas rhs _</td>
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<pre style="margin: 0;"> <span id="LC111" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- NB:  The success of this clause depends on the typechecker not</span></span>
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--      wrapping the 'otherwise' in empty HsTyApp or HsWrap constructors</span></span>
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<pre style="margin: 0;"> <span id="LC113" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--      If it does, you'll get bogus overlap warnings</span></span>
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<pre style="margin: 0;">-<span id="LC114" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BodyStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">e</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BodyStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">e</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">addTicks</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isTrueLHsExpr</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC116" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;">+<span id="LC116" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">adjustMatchResultDs</span> <span class="n" style="color: #333;">addTicks</span> <span class="n" style="color: #333;">match_result</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC118" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BodyStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">expr</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC119" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;">+<span id="LC118" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BodyStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">expr</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC119" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC120" class="line" lang="haskell">    <span class="n" style="color: #333;">pred_expr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsLExpr</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC121" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">mkGuardedMatchResult</span> <span class="n" style="color: #333;">pred_expr</span> <span class="n" style="color: #333;">match_result</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC122" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC123" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">binds</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC124" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LetStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">binds</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">adjustMatchResultDs</span> <span class="p">(</span><span class="n" style="color: #333;">dsLocalBinds</span> <span class="n" style="color: #333;">binds</span><span class="p">)</span> <span class="n" style="color: #333;">match_result</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- NB the dsLet occurs inside the match_result</span></span>
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<pre style="margin: 0;"> <span id="LC127" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Reason: dsLet takes the body expression as its argument</span></span>
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<pre style="margin: 0;"> <span id="LC128" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--         so we can't desugar the bindings without the</span></span>
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<pre style="margin: 0;"> <span id="LC129" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--         body expression in hand</span></span>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">-<span id="LC131" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BindStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">pat</span> <span class="n" style="color: #333;">bind_rhs</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell"><span class="n" style="color: #333;">matchGuards</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">BindStmt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">pat</span> <span class="n" style="color: #333;">bind_rhs</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">stmts</span><span class="p">)</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC132" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">upat</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">pat</span></span>
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<pre style="margin: 0;"> <span id="LC133" class="line" lang="haskell">    <span class="n" style="color: #333;">match_var</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">selectMatchVar</span> <span class="kt" style="color: #458; font-weight: 600;">Many</span> <span class="n" style="color: #333;">upat</span></span>
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<pre style="margin: 0;"> <span id="LC134" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- We only allow unrestricted patterns in guard, hence the `Many`</span></span>
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<pre style="margin: 0;"> <span id="LC135" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- above. It isn't clear what linear patterns would mean, maybe we will</span></span>
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<pre style="margin: 0;"> <span id="LC136" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- figure it out in the future.</span></span>
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<pre style="margin: 0;"> <span id="LC137" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC138" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;">+<span id="LC138" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchGuards</span> <span class="n" style="color: #333;">stmts</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="n" style="color: #333;">rhs</span> <span class="n" style="color: #333;">rhs_ty</span></span>
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<pre style="margin: 0;"> <span id="LC139" class="line" lang="haskell">    <span class="n" style="color: #333;">core_rhs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsLExpr</span> <span class="n" style="color: #333;">bind_rhs</span></span>
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<pre style="margin: 0;"> <span id="LC140" class="line" lang="haskell">    <span class="n" style="color: #333;">match_result'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchSinglePatVar</span> <span class="n" style="color: #333;">match_var</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">core_rhs</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">StmtCtxt</span> <span class="n" style="color: #333;">ctx</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC141" class="line" lang="haskell">                                       <span class="n" style="color: #333;">pat</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">match_result</span></span>
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<br>
</li>
<li id="085703923f9c18f6ac9f926ac9a4c7c7e6d9d9ed">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#085703923f9c18f6ac9f926ac9a4c7c7e6d9d9ed"><strong>compiler/GHC/HsToCore/Match.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -35,7 +35,7 @@ import GHC.Tc.Utils.Zonk</td>
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Types.Evidence</span></span>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.Monad</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck</span></span>
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<pre style="margin: 0;">-<span id="LC38" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Types</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">initDelt</span>as</span> <span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Types</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">initNabl</span>as</span> <span class="p">)</span></span>
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39
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39
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core</span></span>
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40
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Literal</span></span>
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41
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41
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Utils</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -766,31 +766,31 @@ matchWrapper ctxt mb_scr (MG { mg_alts = L _ matches</td>
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<pre style="margin: 0;"> <span id="LC766" class="line" lang="haskell">                                                <span class="p">(</span><span class="n" style="color: #333;">hsLMatchPats</span> <span class="n" style="color: #333;">m</span><span class="p">))</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC767" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC768" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Pattern match check warnings for /this match-group/.</span></span>
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<pre style="margin: 0;">-<span id="LC769" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- @rhss_<span class="idiff left right">deltas@ is a flat list of covered Delt</span>as for each RHS.</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC770" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Each Match will split off one <span class="idiff left right">Delt</span>as for its RHSs from this.</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC771" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">matches_<span class="idiff left right">delt</span>as</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">isMatchContextPmChecked</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">origin</span> <span class="n" style="color: #333;">ctxt</span></span>
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<pre style="margin: 0;">+<span id="LC769" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- @rhss_<span class="idiff left right">nablas@ is a flat list of covered Nabl</span>as for each RHS.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC770" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Each Match will split off one <span class="idiff left right">Nabl</span>as for its RHSs from this.</span></span>
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<pre style="margin: 0;">+<span id="LC771" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">matches_<span class="idiff left right">nabl</span>as</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">isMatchContextPmChecked</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">origin</span> <span class="n" style="color: #333;">ctxt</span></span>
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<pre style="margin: 0;"> <span id="LC772" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">addHsScrutTmCs</span> <span class="n" style="color: #333;">mb_scr</span> <span class="n" style="color: #333;">new_vars</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;"> <span id="LC773" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- See Note [Long-distance information]</span></span>
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<pre style="margin: 0;"> <span id="LC774" class="line" lang="haskell">                 <span class="n" style="color: #333;">covCheckMatches</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DsMatchContext</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">locn</span><span class="p">)</span> <span class="n" style="color: #333;">new_vars</span> <span class="n" style="color: #333;">matches</span></span>
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<pre style="margin: 0;">-<span id="LC775" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">init<span class="idiff left right">Delt</span>asMatches</span> <span class="n" style="color: #333;">matches</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC775" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">init<span class="idiff left right">Nabl</span>asMatches</span> <span class="n" style="color: #333;">matches</span><span class="p">)</span></span>
</pre>
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776
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<td class="diff-line-num new_line" data-linenumber="776" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
776
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<pre style="margin: 0;"> <span id="LC776" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
777
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<td class="diff-line-num new_line old" data-linenumber="777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC777" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">eqns_info</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zipWithM</span> <span class="n" style="color: #333;">mk_eqn_info</span> <span class="n" style="color: #333;">matches</span> <span class="n" style="color: #333;">matches_<span class="idiff left right">delt</span>as</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
777
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<pre style="margin: 0;">+<span id="LC777" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">eqns_info</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zipWithM</span> <span class="n" style="color: #333;">mk_eqn_info</span> <span class="n" style="color: #333;">matches</span> <span class="n" style="color: #333;">matches_<span class="idiff left right">nabl</span>as</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
778
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<td class="diff-line-num new_line" data-linenumber="778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
778
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<pre style="margin: 0;"> <span id="LC778" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="779" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
779
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<td class="diff-line-num new_line" data-linenumber="779" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
779
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<pre style="margin: 0;"> <span id="LC779" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">result_expr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">handleWarnings</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="780" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
780
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780
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<pre style="margin: 0;"> <span id="LC780" class="line" lang="haskell">                         <span class="n" style="color: #333;">matchEquations</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">new_vars</span> <span class="n" style="color: #333;">eqns_info</span> <span class="n" style="color: #333;">rhs_ty</span></span>
</pre>
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781
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781
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<pre style="margin: 0;"> <span id="LC781" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">new_vars</span><span class="p">,</span> <span class="n" style="color: #333;">result_expr</span><span class="p">)</span> <span class="p">}</span></span>
</pre>
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782
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782
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<pre style="margin: 0;"> <span id="LC782" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="783" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
783
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783
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<pre style="margin: 0;"> <span id="LC783" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Called once per equation in the match, or alternative in the case</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
784
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<td class="diff-line-num new_line old" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC784" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_eqn_info</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LMatch</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">EquationInfo</span></span>
</pre>
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785
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<td class="diff-line-num new_line old" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC785" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_eqn_info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Match</span> <span class="p">{</span> <span class="n" style="color: #333;">m_pats</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pats</span><span class="p">,</span> <span class="n" style="color: #333;">m_grhss</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">grhss</span> <span class="p">}))</span> <span class="p">(</span><span class="n" style="color: #333;">pat_<span class="idiff left">deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rhss_delt</span>as</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
784
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<pre style="margin: 0;">+<span id="LC784" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_eqn_info</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LMatch</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">EquationInfo</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="785" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
785
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<pre style="margin: 0;">+<span id="LC785" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_eqn_info</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Match</span> <span class="p">{</span> <span class="n" style="color: #333;">m_pats</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pats</span><span class="p">,</span> <span class="n" style="color: #333;">m_grhss</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">grhss</span> <span class="p">}))</span> <span class="p">(</span><span class="n" style="color: #333;">pat_<span class="idiff left">nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">rhss_nabl</span>as</span><span class="p">)</span></span>
</pre>
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786
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786
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<pre style="margin: 0;"> <span id="LC786" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">dflags</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getDynFlags</span></span>
</pre>
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787
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787
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<pre style="margin: 0;"> <span id="LC787" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">upats</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">unLoc</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">decideBangHood</span> <span class="n" style="color: #333;">dflags</span><span class="p">)</span> <span class="n" style="color: #333;">pats</span></span>
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788
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<td class="diff-line-num new_line old" data-linenumber="788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC788" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- pat_<span class="idiff left right">delt</span>as is the covered set *after* matching the pattern, but</span></span>
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789
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<pre style="margin: 0;">-<span id="LC789" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- before any of the GRHSs. We extend the environment with pat_<span class="idiff left right">delt</span>as</span></span>
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790
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<pre style="margin: 0;">-<span id="LC790" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- (via updPm<span class="idiff left right">Delt</span>as) so that the where-clause of 'grhss' can profit</span></span>
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<pre style="margin: 0;">+<span id="LC788" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- pat_<span class="idiff left right">nabl</span>as is the covered set *after* matching the pattern, but</span></span>
</pre>
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789
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<pre style="margin: 0;">+<span id="LC789" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- before any of the GRHSs. We extend the environment with pat_<span class="idiff left right">nabl</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC790" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- (via updPm<span class="idiff left right">Nabl</span>as) so that the where-clause of 'grhss' can profit</span></span>
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<pre style="margin: 0;"> <span id="LC791" class="line" lang="haskell">           <span class="c1" style="color: #998; font-style: italic;">-- from that knowledge (#18533)</span></span>
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<pre style="margin: 0;">-<span id="LC792" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">updPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">pat_delt</span>as</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">-<span id="LC793" class="line" lang="haskell">                             <span class="n" style="color: #333;">dsGRHSs</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC792" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">match_result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">updPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">pat_nabl</span>as</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">+<span id="LC793" class="line" lang="haskell">                             <span class="n" style="color: #333;">dsGRHSs</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">grhss</span> <span class="n" style="color: #333;">rhs_ty</span> <span class="n" style="color: #333;">rhss_<span class="idiff left right">nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC794" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="kt" style="color: #458; font-weight: 600;">EqnInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">eqn_pats</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">upats</span></span>
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<pre style="margin: 0;"> <span id="LC795" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">eqn_orig</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">FromSource</span></span>
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<pre style="margin: 0;"> <span id="LC796" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">eqn_rhs</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">match_result</span> <span class="p">}</span> <span class="p">}</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -799,14 +799,14 @@ matchWrapper ctxt mb_scr (MG { mg_alts = L _ matches</td>
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<pre style="margin: 0;"> <span id="LC799" class="line" lang="haskell">                     <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">discardWarningsDs</span></span>
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<pre style="margin: 0;"> <span id="LC800" class="line" lang="haskell">                     <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">id</span></span>
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801
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801
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<pre style="margin: 0;"> <span id="LC801" class="line" lang="haskell"></span>
</pre>
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802
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<td class="diff-line-num new_line old" data-linenumber="802" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC802" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left">DeltasMatches</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LMatch</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcTc</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">)]</span></span>
</pre>
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803
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<td class="diff-line-num new_line old" data-linenumber="802" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC803" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left right">Delt</span>asMatches</span> <span class="n" style="color: #333;">ms</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="804" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
804
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<td class="diff-line-num new_line old" data-linenumber="802" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC804" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">init<span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">initDelt</span>asGRHSs</span> <span class="p">(</span><span class="n" style="color: #333;">m_grhss</span> <span class="n" style="color: #333;">m</span><span class="p">)))</span> <span class="n" style="color: #333;">ms</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="805" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="802" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
802
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<pre style="margin: 0;">+<span id="LC802" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left">NablasMatches</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LMatch</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcTc</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">)]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="805" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="803" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
803
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<pre style="margin: 0;">+<span id="LC803" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left right">Nabl</span>asMatches</span> <span class="n" style="color: #333;">ms</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="805" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="804" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
804
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<pre style="margin: 0;">+<span id="LC804" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">init<span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">initNabl</span>asGRHSs</span> <span class="p">(</span><span class="n" style="color: #333;">m_grhss</span> <span class="n" style="color: #333;">m</span><span class="p">)))</span> <span class="n" style="color: #333;">ms</span></span>
</pre>
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805
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<td class="diff-line-num new_line" data-linenumber="805" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
805
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<pre style="margin: 0;"> <span id="LC805" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
806
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<td class="diff-line-num new_line old" data-linenumber="806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC806" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left">DeltasGRHSs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GRHSs</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcTc</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="807" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
807
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<td class="diff-line-num new_line old" data-linenumber="806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC807" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left right">Delt</span>asGRHSs</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expectJust</span> <span class="s" style="color: #d14;">"GRHSs non-empty"</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="808" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="806" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
806
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<pre style="margin: 0;">+<span id="LC806" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left">NablasGRHSs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GRHSs</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcTc</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="808" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="807" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
807
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<pre style="margin: 0;">+<span id="LC807" class="line" lang="haskell">    <span class="n" style="color: #333;">init<span class="idiff left right">Nabl</span>asGRHSs</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expectJust</span> <span class="s" style="color: #d14;">"GRHSs non-empty"</span></span>
</pre>
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808
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808
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<pre style="margin: 0;"> <span id="LC808" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">NEL</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">nonEmpty</span></span>
</pre>
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809
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<td class="diff-line-num new_line old" data-linenumber="809" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC809" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">replicate</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="p">(</span><span class="n" style="color: #333;">grhssGRHSs</span> <span class="n" style="color: #333;">m</span><span class="p">))</span> <span class="n" style="color: #333;">init<span class="idiff left right">Delt</span>as</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC809" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">replicate</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="p">(</span><span class="n" style="color: #333;">grhssGRHSs</span> <span class="n" style="color: #333;">m</span><span class="p">))</span> <span class="n" style="color: #333;">init<span class="idiff left right">Nabl</span>as</span></span>
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810
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<pre style="margin: 0;"> <span id="LC810" class="line" lang="haskell"></span>
</pre>
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811
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<pre style="margin: 0;"> <span id="LC811" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="812" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
812
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812
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<pre style="margin: 0;"> <span id="LC812" class="line" lang="haskell"><span class="n" style="color: #333;">matchEquations</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsMatchContext</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>
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<br>
</li>
<li id="c8a27621f82549165d8946ae8e9f467660958059">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#c8a27621f82549165d8946ae8e9f467660958059"><strong>compiler/GHC/HsToCore/Monad.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="34" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="34" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -34,7 +34,7 @@ module GHC.HsToCore.Monad (</td>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">DsMetaEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DsMetaVal</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">dsGetMetaEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">dsLookupMetaEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">dsExtendMetaEnv</span><span class="p">,</span></span>
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35
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Getting and setting pattern match oracle states</span></span>
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<pre style="margin: 0;">-<span id="LC37" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">getPm<span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">updPmDelt</span>as</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">getPm<span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">updPmNabl</span>as</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Get COMPLETE sets of a TyCon</span></span>
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<td class="diff-line-num old_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">dsGetCompleteMatches</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -304,7 +304,7 @@ mkDsEnvs dflags mod rdr_env type_env fam_inst_env msg_var cc_st_var</td>
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<pre style="margin: 0;"> <span id="LC304" class="line" lang="haskell">                           <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC305" class="line" lang="haskell">        <span class="n" style="color: #333;">lcl_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DsLclEnv</span> <span class="p">{</span> <span class="n" style="color: #333;">dsl_meta</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyNameEnv</span></span>
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<pre style="margin: 0;"> <span id="LC306" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">dsl_loc</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">real_span</span></span>
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<pre style="margin: 0;">-<span id="LC307" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">dsl_<span class="idiff left">deltas</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">initDelt</span>as</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC307" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">dsl_<span class="idiff left">nablas</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">initNabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC308" class="line" lang="haskell">                           <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC309" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">in</span> <span class="p">(</span><span class="n" style="color: #333;">gbl_env</span><span class="p">,</span> <span class="n" style="color: #333;">lcl_env</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC310" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -403,14 +403,14 @@ the @SrcSpan@ being carried around.</td>
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<pre style="margin: 0;"> <span id="LC403" class="line" lang="haskell"><span class="n" style="color: #333;">getGhcModeDs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">GhcMode</span></span>
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<pre style="margin: 0;"> <span id="LC404" class="line" lang="haskell"><span class="n" style="color: #333;">getGhcModeDs</span> <span class="o" style="font-weight: 600;">=</span>  <span class="n" style="color: #333;">getDynFlags</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">ghcMode</span></span>
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<pre style="margin: 0;"> <span id="LC405" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC406" class="line" lang="haskell"><span class="cd">-- | Get the current pattern match oracle state. See 'dsl_<span class="idiff left right">delt</span>as'.</span></span>
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<pre style="margin: 0;">-<span id="LC407" class="line" lang="haskell"><span class="n" style="color: #333;">getPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
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<pre style="margin: 0;">-<span id="LC408" class="line" lang="haskell"><span class="n" style="color: #333;">getPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">do</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">getLclEnv</span></span><span class="p"><span class="idiff">;</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">return</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff right">dsl_delt</span>as</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC406" class="line" lang="haskell"><span class="cd">-- | Get the current pattern match oracle state. See 'dsl_<span class="idiff left right">nabl</span>as'.</span></span>
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<pre style="margin: 0;">+<span id="LC407" class="line" lang="haskell"><span class="n" style="color: #333;">getPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC408" class="line" lang="haskell"><span class="n" style="color: #333;">getPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">do</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">getLclEnv</span></span><span class="p"><span class="idiff">;</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">return</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff right">dsl_nabl</span>as</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC409" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC410" class="line" lang="haskell"><span class="cd">-- | Set the pattern match oracle state within the scope of the given action.</span></span>
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<pre style="margin: 0;">-<span id="LC411" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See 'dsl_<span class="idiff left right">delt</span>as'.</span></span>
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<pre style="margin: 0;">-<span id="LC412" class="line" lang="haskell"><span class="n" style="color: #333;">updPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC413" class="line" lang="haskell"><span class="n" style="color: #333;">updPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">updLclEnv</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dsl_deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="p">})</span></span>
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<pre style="margin: 0;">+<span id="LC411" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See 'dsl_<span class="idiff left right">nabl</span>as'.</span></span>
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<pre style="margin: 0;">+<span id="LC412" class="line" lang="haskell"><span class="n" style="color: #333;">updPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC413" class="line" lang="haskell"><span class="n" style="color: #333;">updPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">updLclEnv</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dsl_nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="p">})</span></span>
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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC415" class="line" lang="haskell"><span class="n" style="color: #333;">getSrcSpanDs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span></span>
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<pre style="margin: 0;"> <span id="LC416" class="line" lang="haskell"><span class="n" style="color: #333;">getSrcSpanDs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getLclEnv</span></span>
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<br>
</li>
<li id="ac0a6473a902628a18b3a470122e5cc1ce09de14">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#ac0a6473a902628a18b3a470122e5cc1ce09de14"><strong>compiler/GHC/HsToCore/PmCheck.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--       a. The set of uncovered values, 'cr_uncov'</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--       b. And an annotated tree variant (like 'AnnMatch') that captures</span></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--          redundancy and inaccessibility information as 'RedSets' annotations</span></span>
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<pre style="margin: 0;">-<span id="LC31" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     Basically the UA function from Section 5.1. The Normalised Refinement<span class="idiff left right"> Types</span></span></span>
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<pre style="margin: 0;">-<span id="LC32" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     <span class="idiff left right">Nabla are modeled as 'Deltas' and check</span>ed in "GHC.HsToCore.PmCheck.Oracle".</span></span>
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     Basically the UA function from Section 5.1. The Normalised Refinement</span></span>
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<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     <span class="idiff left right">Types 'Nablas' are maintain</span>ed in "GHC.HsToCore.PmCheck.Oracle".</span></span>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--  3. Collect redundancy information into a 'CIRB' with a 'CIRBCollector' such</span></span>
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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     as 'collectMatch'. Follows the R function from Figure 6 of the paper.</span></span>
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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--  4. Format and report uncovered patterns and redundant equations ('CIRB')</span></span>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     with 'formatReportWarnings'. Basically job of the G function, plus proper</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     pretty printing of the warnings (Section 5.4 of the paper).</span></span>
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<pre style="margin: 0;">-<span id="LC38" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--  5. Return '<span class="idiff left right">Delt</span>as' reaching syntactic sub-components for</span></span>
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--  5. Return '<span class="idiff left right">Nabl</span>as' reaching syntactic sub-components for</span></span>
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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     Note [Long-distance information]. See Section 4.1 of the paper.</span></span>
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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck</span> <span class="p">(</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Checking and printing</span></span>
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Panic</span></span>
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<pre style="margin: 0;"> <span id="LC70" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.DataCon</span></span>
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<pre style="margin: 0;">-<span id="LC71" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCon</span></span>
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">EvVar</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Coercion</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Types.Evidence</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWrapper</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">isIdHsWrapper</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell"><span class="n" style="color: #333;">covCheckPatBind</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DsMatchContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Pat</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC103" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [covCheckPatBind only checks PatBindRhs]</span></span>
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<pre style="margin: 0;"> <span id="LC104" class="line" lang="haskell"><span class="n" style="color: #333;">covCheckPatBind</span> <span class="n" style="color: #333;">ctxt</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DsMatchContext</span> <span class="kt" style="color: #458; font-weight: 600;">PatBindRhs</span> <span class="n" style="color: #333;">loc</span><span class="p">)</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC106" class="line" lang="haskell">  <span class="n" style="color: #333;">missing</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getPm<span class="idiff left right">Delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC105" class="line" lang="haskell">  <span class="n" style="color: #333;">missing</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getPm<span class="idiff left right">Nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC106" class="line" lang="haskell">  <span class="n" style="color: #333;">pat_bind</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">desugarPatBind</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">p</span></span>
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<pre style="margin: 0;"> <span id="LC107" class="line" lang="haskell">  <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"covCheckPatBind {"</span> <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="p">[</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ctxt</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">var</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">pat_bind</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">missing</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC108" class="line" lang="haskell">  <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">unCA</span> <span class="p">(</span><span class="n" style="color: #333;">checkPatBind</span> <span class="n" style="color: #333;">pat_bind</span><span class="p">)</span> <span class="n" style="color: #333;">missing</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -112,17 +111,17 @@ covCheckPatBind ctxt@(DsMatchContext PatBindRhs loc) var p = do</td>
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<pre style="margin: 0;"> <span id="LC111" class="line" lang="haskell"><span class="n" style="color: #333;">covCheckPatBind</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC113" class="line" lang="haskell"><span class="cd">-- | Exhaustive for guard matches, is used for guards in pattern bindings and</span></span>
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<pre style="margin: 0;">-<span id="LC115" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- in @MultiIf@ expressions. Returns the '<span class="idiff left right">Delt</span>as' covered by the RHSs.</span></span>
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- in @MultiIf@ expressions. Returns the '<span class="idiff left right">Nabl</span>as' covered by the RHSs.</span></span>
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="haskell"><span class="n" style="color: #333;">covCheckGRHSs</span></span>
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<td class="diff-line-num old_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC116" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsMatchContext</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span>         <span class="c1" style="color: #998; font-style: italic;">-- ^ Match context, for warning messages</span></span>
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<td class="diff-line-num old_line" data-linenumber="118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ The GRHSs to check</span></span>
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<pre style="margin: 0;">-<span id="LC119" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">        </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- ^ Covered 'Delt</span>as' for each RHS, for long</span></span>
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<pre style="margin: 0;">+<span id="LC118" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">        </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- ^ Covered 'Nabl</span>as' for each RHS, for long</span></span>
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<pre style="margin: 0;"> <span id="LC119" class="line" lang="haskell">                                  <span class="c1" style="color: #998; font-style: italic;">--   distance info</span></span>
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<pre style="margin: 0;"> <span id="LC120" class="line" lang="haskell"><span class="n" style="color: #333;">covCheckGRHSs</span> <span class="n" style="color: #333;">hs_ctxt</span> <span class="n" style="color: #333;">guards</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GRHSs</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">grhss</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC121" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">combined_loc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldl1</span> <span class="n" style="color: #333;">combineSrcSpans</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">getLoc</span> <span class="n" style="color: #333;">grhss</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC122" class="line" lang="haskell">      <span class="n" style="color: #333;">ctxt</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">DsMatchContext</span> <span class="n" style="color: #333;">hs_ctxt</span> <span class="n" style="color: #333;">combined_loc</span></span>
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<pre style="margin: 0;"> <span id="LC123" class="line" lang="haskell">  <span class="n" style="color: #333;">matches</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">desugarGRHSs</span> <span class="n" style="color: #333;">combined_loc</span> <span class="n" style="color: #333;">empty</span> <span class="n" style="color: #333;">guards</span></span>
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<pre style="margin: 0;">-<span id="LC125" class="line" lang="haskell">  <span class="n" style="color: #333;">missing</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getPm<span class="idiff left right">Delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell">  <span class="n" style="color: #333;">missing</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getPm<span class="idiff left right">Nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="haskell">  <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"covCheckGRHSs"</span> <span class="p">(</span><span class="n" style="color: #333;">hang</span> <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="p">[</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ctxt</span></span>
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="haskell">                                <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Guards:"</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC127" class="line" lang="haskell">                                <span class="mi" style="color: #099;">2</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -140,7 +139,7 @@ covCheckGRHSs hs_ctxt guards@(GRHSs _ grhss _) = do</td>
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<pre style="margin: 0;"> <span id="LC139" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   f _ _             = 3   -- clause with a single, un-guarded RHS</span></span>
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<pre style="margin: 0;"> <span id="LC140" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @</span></span>
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<pre style="margin: 0;"> <span id="LC141" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">-<span id="LC143" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns one non-empty '<span class="idiff left right">Delt</span>as' for 1.) each pattern of a 'Match' and 2.)</span></span>
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<pre style="margin: 0;">+<span id="LC142" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns one non-empty '<span class="idiff left right">Nabl</span>as' for 1.) each pattern of a 'Match' and 2.)</span></span>
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<pre style="margin: 0;"> <span id="LC143" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- each of a 'Match'es 'GRHS' for Note [Long-distance information].</span></span>
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<pre style="margin: 0;"> <span id="LC144" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC145" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Special case: When there are /no matches/, then the functionassumes it</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -150,13 +149,13 @@ covCheckMatches</td>
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<pre style="margin: 0;"> <span id="LC149" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">DsMatchContext</span>                  <span class="c1" style="color: #998; font-style: italic;">-- ^ Match context, for warnings messages</span></span>
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<pre style="margin: 0;"> <span id="LC150" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span>                            <span class="c1" style="color: #998; font-style: italic;">-- ^ Match variables, i.e. x and y above</span></span>
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<pre style="margin: 0;"> <span id="LC151" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LMatch</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)]</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ List of matches</span></span>
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<td class="diff-line-num new_line old" data-linenumber="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC153" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="p"><span class="idiff">)]</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- ^ One covered 'Delt</span>as' per Match and</span></span>
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<pre style="margin: 0;">+<span id="LC152" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="p"><span class="idiff">)]</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- ^ One covered 'Nabl</span>as' per Match and</span></span>
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<pre style="margin: 0;"> <span id="LC153" class="line" lang="haskell">                                     <span class="c1" style="color: #998; font-style: italic;">--   GRHS, for long distance info.</span></span>
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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell"><span class="n" style="color: #333;">covCheckMatches</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">matches</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- We have to force @missing@ before printing out the trace message,</span></span>
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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- otherwise we get interleaved output from the solver. This function</span></span>
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<pre style="margin: 0;"> <span id="LC157" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- should be strict in @missing@ anyway!</span></span>
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<pre style="margin: 0;">-<span id="LC159" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">missing</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getPm<span class="idiff left right">Delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC158" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">missing</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getPm<span class="idiff left right">Nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell">  <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"covCheckMatches {"</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell">          <span class="n" style="color: #333;">hang</span> <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="p">[</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ctxt</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">vars</span><span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Matches:"</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell">               <span class="mi" style="color: #099;">2</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -207,7 +206,7 @@ exception into divergence (@f x = f x@).</td>
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC207" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Semantically, unlike every other case expression, -XEmptyCase is strict in its</span></span>
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<pre style="margin: 0;"> <span id="LC208" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">match var x, which rules out ⊥ as an inhabitant. So we add x /~ ⊥ to the</span></span>
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<pre style="margin: 0;">-<span id="LC210" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">initial <span class="idiff left right">Delt</span>a and check if there are any values left to match on.</span></span>
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<pre style="margin: 0;">+<span id="LC209" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">initial <span class="idiff left right">Nabl</span>a and check if there are any values left to match on.</span></span>
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -233,8 +232,8 @@ data PmGrd</td>
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<pre style="margin: 0;"> <span id="LC232" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- bang pattern, in which case we might want to report it as redundant.</span></span>
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<pre style="margin: 0;"> <span id="LC233" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Dead bang patterns].</span></span>
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<pre style="margin: 0;"> <span id="LC234" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">PmBang</span> <span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC236" class="line" lang="haskell">      <span class="n" style="color: #333;">pm_id</span>   <span class="idiff left right">       </span><span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC237" class="line" lang="haskell">      <span class="n" style="color: #333;"><span class="idiff left">pm_loc</span></span><span class="idiff right">        </span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">SrcInfo</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC235" class="line" lang="haskell">      <span class="n" style="color: #333;">pm_id</span>   <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC236" class="line" lang="haskell">      <span class="n" style="color: #333;"><span class="idiff left right">_pm_loc</span></span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">SrcInfo</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC237" class="line" lang="haskell">    <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC238" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC239" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | @PmLet x expr@ corresponds to a @let x = expr@ guard. This actually</span></span>
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<pre style="margin: 0;"> <span id="LC297" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- (later digested into a 'CIRB').</span></span>
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<pre style="margin: 0;"> <span id="LC298" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">RedSets</span></span>
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<pre style="margin: 0;"> <span id="LC299" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RedSets</span></span>
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<pre style="margin: 0;">-<span id="LC301" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">rs_cov</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC300" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">rs_cov</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC301" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ The /Covered/ set; the set of values reaching a particular program</span></span>
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<pre style="margin: 0;"> <span id="LC302" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- point.</span></span>
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<pre style="margin: 0;">-<span id="LC304" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">rs_div</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC303" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">rs_div</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC304" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ The /Diverging/ set; empty if no match can lead to divergence.</span></span>
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<pre style="margin: 0;"> <span id="LC305" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--   If it wasn't empty, we have to turn redundancy warnings into</span></span>
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<pre style="margin: 0;"> <span id="LC306" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--   inaccessibility warnings for any subclauses.</span></span>
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<pre style="margin: 0;">-<span id="LC308" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">rs_bangs</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">OrdList</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">SrcInfo</span><span class="p">))</span></span>
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<pre style="margin: 0;">-<span id="LC309" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ If any of the '<span class="idiff left right">Delt</span>as' is empty, the corresponding 'SrcInfo' pin-points</span></span>
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<pre style="margin: 0;">+<span id="LC307" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">rs_bangs</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">OrdList</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">SrcInfo</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC308" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ If any of the '<span class="idiff left right">Nabl</span>as' is empty, the corresponding 'SrcInfo' pin-points</span></span>
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<pre style="margin: 0;"> <span id="LC309" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- a bang pattern in source that is redundant. See Note [Dead bang patterns].</span></span>
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<pre style="margin: 0;"> <span id="LC310" class="line" lang="haskell">  <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC311" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -434,7 +433,7 @@ vanillaConGrd scrut con arg_ids =</td>
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<pre style="margin: 0;"> <span id="LC433" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- For example:</span></span>
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<pre style="margin: 0;"> <span id="LC434" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   @mkListGrds "a" "[(x, True <- x),(y, !y)]"@</span></span>
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<pre style="margin: 0;"> <span id="LC435" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- to</span></span>
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<pre style="margin: 0;">-<span id="LC437" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   @"[(x:b) <- a, True <- x, (y:c) <- b, <span class="idiff left right">seq y True</span>, [] <- c]"@</span></span>
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<pre style="margin: 0;">+<span id="LC436" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   @"[(x:b) <- a, True <- x, (y:c) <- b, <span class="idiff left right">!y</span>, [] <- c]"@</span></span>
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<pre style="margin: 0;"> <span id="LC437" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- where @b@ and @c@ are freshly allocated in @mkListGrds@ and @a@ is the match</span></span>
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<pre style="margin: 0;"> <span id="LC438" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- variable.</span></span>
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<pre style="margin: 0;"> <span id="LC439" class="line" lang="haskell"><span class="n" style="color: #333;">mkListGrds</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">GrdVec</span><span class="p">)]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">GrdVec</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -618,7 +617,7 @@ desugarListPat x pats = do</td>
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<pre style="margin: 0;"> <span id="LC617" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC618" class="line" lang="haskell"><span class="cd">-- | Desugar a constructor pattern</span></span>
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<pre style="margin: 0;"> <span id="LC619" class="line" lang="haskell"><span class="n" style="color: #333;">desugarConPatOut</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ConLike</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyVar</span><span class="p">]</span></span>
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<pre style="margin: 0;">-<span id="LC621" class="line" lang="haskell">                 <span class="idiff left right">  </span><span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">EvVar</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsConPatDetails</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">GrdVec</span></span>
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<pre style="margin: 0;">+<span id="LC620" class="line" lang="haskell">                 <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">EvVar</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsConPatDetails</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">GrdVec</span></span>
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<pre style="margin: 0;"> <span id="LC621" class="line" lang="haskell"><span class="n" style="color: #333;">desugarConPatOut</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">univ_tys</span> <span class="n" style="color: #333;">ex_tvs</span> <span class="n" style="color: #333;">dicts</span> <span class="o" style="font-weight: 600;">=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
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<pre style="margin: 0;"> <span id="LC622" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">PrefixCon</span> <span class="n" style="color: #333;">ps</span>                 <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">go_field_pats</span> <span class="p">(</span><span class="n" style="color: #333;">zip</span> <span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="o" style="font-weight: 600;">..</span><span class="p">]</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC623" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">InfixCon</span>  <span class="n" style="color: #333;">p1</span> <span class="n" style="color: #333;">p2</span>              <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">go_field_pats</span> <span class="p">(</span><span class="n" style="color: #333;">zip</span> <span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="o" style="font-weight: 600;">..</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">p1</span><span class="p">,</span><span class="n" style="color: #333;">p2</span><span class="p">])</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -638,14 +637,14 @@ desugarConPatOut x con univ_tys ex_tvs dicts = \case</td>
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<pre style="margin: 0;"> <span id="LC637" class="line" lang="haskell">        <span class="n" style="color: #333;">lbl_to_index</span> <span class="n" style="color: #333;">lbl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expectJust</span> <span class="s" style="color: #d14;">"lbl_to_index"</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">elemIndex</span> <span class="n" style="color: #333;">lbl</span> <span class="n" style="color: #333;">orig_lbls</span></span>
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<pre style="margin: 0;"> <span id="LC638" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC639" class="line" lang="haskell">    <span class="n" style="color: #333;">go_field_pats</span> <span class="n" style="color: #333;">tagged_pats</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC641" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- The fields that appear might not be in the correct order. So<span class="idiff left right"> first</span></span></span>
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<pre style="margin: 0;">-<span id="LC642" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">do a PmCon match, then force according to field strictness and then</span></span></span>
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<pre style="margin: 0;">-<span id="LC643" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">force evaluation of the field patterns in the order given by</span></span></span>
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<pre style="margin: 0;">-<span id="LC644" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">the first</span> field of @tagged_pats@.</span></span>
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<pre style="margin: 0;">+<span id="LC640" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- The fields that appear might not be in the correct order. So</span></span>
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<pre style="margin: 0;">+<span id="LC641" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">  1. Do the PmCon match</span></span></span>
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<pre style="margin: 0;">+<span id="LC642" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">  2. Then pattern match on the fields in the order given by the first</span></span></span>
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<pre style="margin: 0;">+<span id="LC643" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">    </span> field of @tagged_pats@.</span></span>
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<pre style="margin: 0;"> <span id="LC644" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [Field match order for RecCon]</span></span>
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<pre style="margin: 0;"> <span id="LC645" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC646" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Desugar the mentioned field patterns. We're doing this first to get</span></span>
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<pre style="margin: 0;">-<span id="LC648" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- the Ids for pm_con_args.</span></span>
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<pre style="margin: 0;">+<span id="LC647" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- the Ids for pm_con_args<span class="idiff left right"> and bring them in order afterwards</span>.</span></span>
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<pre style="margin: 0;"> <span id="LC648" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">trans_pat</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="p">,</span> <span class="n" style="color: #333;">pat</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC649" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">var</span><span class="p">,</span> <span class="n" style="color: #333;">pvec</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">desugarLPatV</span> <span class="n" style="color: #333;">pat</span></span>
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<pre style="margin: 0;"> <span id="LC650" class="line" lang="haskell">            <span class="n" style="color: #333;">pure</span> <span class="p">((</span><span class="n" style="color: #333;">n</span><span class="p">,</span> <span class="n" style="color: #333;">var</span><span class="p">),</span> <span class="n" style="color: #333;">pvec</span><span class="p">)</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -659,19 +658,11 @@ desugarConPatOut x con univ_tys ex_tvs dicts = \case</td>
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<pre style="margin: 0;"> <span id="LC658" class="line" lang="haskell">      <span class="n" style="color: #333;">arg_ids</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zipWithM</span> <span class="n" style="color: #333;">get_pat_id</span> <span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="o" style="font-weight: 600;">..</span><span class="p">]</span> <span class="n" style="color: #333;">arg_tys</span></span>
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<pre style="margin: 0;"> <span id="LC659" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">con_grd</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">PmCon</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="n" style="color: #333;">ex_tvs</span> <span class="n" style="color: #333;">dicts</span> <span class="n" style="color: #333;">arg_ids</span></span>
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<pre style="margin: 0;"> <span id="LC660" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC662" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 2. bang strict fields</span></span>
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<pre style="margin: 0;">-<span id="LC663" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg_is_banged</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">isBanged</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">conLikeImplBangs</span> <span class="n" style="color: #333;">con</span></span>
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<pre style="margin: 0;">-<span id="LC664" class="line" lang="haskell">          <span class="n" style="color: #333;">noSrcPmBang</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">PmBang</span> <span class="p">{</span><span class="n" style="color: #333;">pm_id</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">i</span><span class="p">,</span> <span class="n" style="color: #333;">pm_loc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">}</span></span>
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<pre style="margin: 0;">-<span id="LC665" class="line" lang="haskell">          <span class="n" style="color: #333;">bang_grds</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">noSrcPmBang</span> <span class="p">(</span><span class="n" style="color: #333;">filterByList</span> <span class="n" style="color: #333;">arg_is_banged</span> <span class="n" style="color: #333;">arg_ids</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC666" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC667" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 3. guards from field selector patterns</span></span>
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<pre style="margin: 0;">+<span id="LC661" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 2. guards from field selector patterns</span></span>
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<pre style="margin: 0;"> <span id="LC662" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg_grds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">concat</span> <span class="n" style="color: #333;">arg_grdss</span></span>
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<td class="diff-line-num new_line" data-linenumber="663" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
663
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<pre style="margin: 0;"> <span id="LC663" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="670" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
670
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<td class="diff-line-num new_line" data-linenumber="664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
664
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<pre style="margin: 0;"> <span id="LC664" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- tracePm "ConPatOut" (ppr x $$ ppr con $$ ppr arg_ids)</span></span>
</pre>
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671
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<td class="diff-line-num new_line old" data-linenumber="665" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC671" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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672
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<td class="diff-line-num new_line old" data-linenumber="665" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC672" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Store the guards in exactly that order</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="673" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
673
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<td class="diff-line-num new_line old" data-linenumber="665" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC673" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">--      1.         2.           3.</span></span>
</pre>
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674
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<td class="diff-line-num new_line old" data-linenumber="665" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC674" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">con_grd</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">bang_grds</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">arg_grds</span><span class="p">)</span></span>
</pre>
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665
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<pre style="margin: 0;">+<span id="LC665" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">con_grd</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">arg_grds</span><span class="p">)</span></span>
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675
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666
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<pre style="margin: 0;"> <span id="LC666" class="line" lang="haskell"></span>
</pre>
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676
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667
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<pre style="margin: 0;"> <span id="LC667" class="line" lang="haskell"><span class="n" style="color: #333;">desugarPatBind</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Pat</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">GrdPatBind</span></span>
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677
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<td class="diff-line-num new_line" data-linenumber="668" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC668" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See 'GrdPatBind' for how this simply repurposes GrdGRHS.</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="759" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="750" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -759,30 +750,45 @@ desugarBoolGuard e</td>
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<pre style="margin: 0;"> <span id="LC750" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">[</span><span class="n" style="color: #333;">vanillaConGrd</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">trueDataCon</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC751" class="line" lang="haskell">      <span class="n" style="color: #333;">rhs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC752" class="line" lang="haskell">        <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkPmId</span> <span class="n" style="color: #333;">boolTy</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
762
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<td class="diff-line-num new_line old" data-linenumber="753" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC762" class="line" lang="haskell">        <span class="n" style="color: #333;">pure</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$</span></span><span class="idiff right"> </span><span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmLet</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">rhs</span><span class="p">,</span> <span class="n" style="color: #333;">vanillaConGrd</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">trueDataCon</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="753" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC753" class="line" lang="haskell">        <span class="n" style="color: #333;">pure</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmLet</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">rhs</span><span class="p">,</span> <span class="n" style="color: #333;">vanillaConGrd</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">trueDataCon</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="754" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
754
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<pre style="margin: 0;"> <span id="LC754" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="764" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
764
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<td class="diff-line-num new_line" data-linenumber="755" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
755
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<pre style="margin: 0;"> <span id="LC755" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Field match order for RecCon]</span></span>
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756
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<pre style="margin: 0;"> <span id="LC756" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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766
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<td class="diff-line-num new_line" data-linenumber="757" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
757
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<pre style="margin: 0;"> <span id="LC757" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The order for RecCon field patterns actually determines evaluation order of</span></span>
</pre>
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767
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<td class="diff-line-num new_line" data-linenumber="758" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
758
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<pre style="margin: 0;"> <span id="LC758" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the pattern match. For example:</span></span>
</pre>
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768
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<td class="diff-line-num new_line" data-linenumber="759" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
759
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<pre style="margin: 0;"> <span id="LC759" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
769
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<td class="diff-line-num new_line old" data-linenumber="760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC769" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  data T = T { a :: <span class="idiff left right">!Bool, b :: Char, c</span> :: Int }</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="770" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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760
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<pre style="margin: 0;">+<span id="LC760" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  data T = T { a :: <span class="idiff left right">Char, b</span> :: Int }</span></span>
</pre>
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770
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<td class="diff-line-num new_line" data-linenumber="761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
761
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<pre style="margin: 0;"> <span id="LC761" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f :: T -> ()</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="771" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
771
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<td class="diff-line-num new_line old" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC771" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f T{ c = 42, b = 'b' } = ()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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762
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<pre style="margin: 0;">+<span id="LC762" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f T{ b = 42, a = 'a' } = ()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
763
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<pre style="margin: 0;">+<span id="LC763" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="764" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
764
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<pre style="margin: 0;">+<span id="LC764" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Then @f (T (error "a") (error "b"))@ errors out with "b" because it is mentioned</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="765" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
765
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<pre style="margin: 0;">+<span id="LC765" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">first in the pattern match.</span></span>
</pre>
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772
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<td class="diff-line-num new_line" data-linenumber="766" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
766
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<pre style="margin: 0;"> <span id="LC766" class="line" lang="haskell"></span>
</pre>
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773
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<td class="diff-line-num new_line old" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC773" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Then</span></span>
</pre>
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774
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<td class="diff-line-num new_line old" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC774" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * @f (T (error "a") (error "b") (error "c"))@ errors out with "a" because of</span></span>
</pre>
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775
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<td class="diff-line-num new_line old" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC775" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    the strict field.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="776" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
776
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<td class="diff-line-num new_line old" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC776" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  * @f (T True        (error "b") (error "c"))@ errors out with "c" because it</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
777
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<td class="diff-line-num new_line old" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC777" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    is mentioned frist in the pattern match.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
767
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<pre style="margin: 0;">+<span id="LC767" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This means we can't just desugar the pattern match to</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="768" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
768
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<pre style="margin: 0;">+<span id="LC768" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">@[T a b <- x, 'a' <- a, 42 <- b]@. Instead we have to force them in the</span></span>
</pre>
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769
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<pre style="margin: 0;">+<span id="LC769" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">right order: @[T a b <- x, 42 <- b, 'a' <- a]@.</span></span>
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<pre style="margin: 0;"> <span id="LC770" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC779" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This means we can't just desugar the pattern match to the PatVec</span></span>
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<pre style="margin: 0;">-<span id="LC780" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">@[T !_ 'b' 42]@. Instead we have to generate variable matches that have</span></span>
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<pre style="margin: 0;">-<span id="LC781" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">strictness according to the field declarations and afterwards force them in the</span></span>
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<pre style="margin: 0;">-<span id="LC782" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">right order. As a result, we get the PatVec @[T !_ b c, 42 <- c, 'b' <- b]@.</span></span>
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<pre style="margin: 0;">+<span id="LC771" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Strict fields and fields of unlifted type]</span></span>
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<pre style="margin: 0;">+<span id="LC772" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;">+<span id="LC773" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">How do strict fields play into Note [Field match order for RecCon]? Answer:</span></span>
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<pre style="margin: 0;">+<span id="LC774" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">They don't. Desugaring is entirely unconcerned by strict fields; the forcing</span></span>
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<pre style="margin: 0;">+<span id="LC775" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">happens *before* pattern matching. But for each strict (or more generally,</span></span>
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<pre style="margin: 0;">+<span id="LC776" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">unlifted) field @s@ we have to add @s /~ ⊥@ constraints when we check the PmCon</span></span>
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<pre style="margin: 0;">+<span id="LC777" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">guard in 'checkGrd'. Strict fields are devoid of ⊥ by construction, there's</span></span>
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<pre style="margin: 0;">+<span id="LC778" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">nothing that a bang pattern would act on. Example from #18341:</span></span>
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<pre style="margin: 0;">+<span id="LC779" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC780" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  data T = MkT !Int</span></span>
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<pre style="margin: 0;">+<span id="LC781" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f :: T -> ()</span></span>
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<pre style="margin: 0;">+<span id="LC782" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f (MkT  _) | False = () -- inaccessible</span></span>
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<pre style="margin: 0;">+<span id="LC783" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f (MkT !_) | False = () -- redundant, not only inaccessible!</span></span>
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<pre style="margin: 0;">+<span id="LC784" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f _                = ()</span></span>
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783
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785
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<pre style="margin: 0;"> <span id="LC785" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
784
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<td class="diff-line-num new_line old" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC784" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Of course, when the labels occur in the order they are defined, we can just use</span></span>
</pre>
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785
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<td class="diff-line-num new_line old" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC785" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the simpler desugaring.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
786
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<pre style="margin: 0;">+<span id="LC786" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The second clause desugars to @MkT n <- x, !n@. When coverage checked, the</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="787" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
787
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<pre style="margin: 0;">+<span id="LC787" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">'PmCon' @MkT n <- x@ refines the set of values that reach the bang pattern with</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
788
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<pre style="margin: 0;">+<span id="LC788" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the constraints @x ~ MkT n, n /~ ⊥@ (this list is computed by 'pmConCts').</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="789" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
789
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<pre style="margin: 0;">+<span id="LC789" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Checking the 'PmBang' @!n@ will then try to add the constraint @n ~ ⊥@ to this</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="790" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
790
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<pre style="margin: 0;">+<span id="LC790" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">set to get the diverging set, which is found to be empty. Hence the whole</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="791" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
791
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<pre style="margin: 0;">+<span id="LC791" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">clause is detected as redundant, as expected.</span></span>
</pre>
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786
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<td class="diff-line-num new_line" data-linenumber="792" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
792
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<pre style="margin: 0;"> <span id="LC792" class="line" lang="haskell"></span>
</pre>
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787
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<td class="diff-line-num new_line" data-linenumber="793" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
793
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<pre style="margin: 0;"> <span id="LC793" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Order of guards matters]</span></span>
</pre>
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788
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<td class="diff-line-num new_line" data-linenumber="794" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
794
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<pre style="margin: 0;"> <span id="LC794" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="840" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -834,7 +840,7 @@ data CheckResult a</td>
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834
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<td class="diff-line-num new_line" data-linenumber="840" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
840
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<pre style="margin: 0;"> <span id="LC840" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CheckResult</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
835
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<td class="diff-line-num new_line" data-linenumber="841" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
841
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<pre style="margin: 0;"> <span id="LC841" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">cr_ret</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
836
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<td class="diff-line-num new_line" data-linenumber="842" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
842
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<pre style="margin: 0;"> <span id="LC842" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ A hole for redundancy info and covered sets.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="837" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
837
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<td class="diff-line-num new_line old" data-linenumber="843" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC837" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span>   <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="838" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="843" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
843
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<pre style="margin: 0;">+<span id="LC843" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span>   <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="838" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
838
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<td class="diff-line-num new_line" data-linenumber="844" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
844
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<pre style="margin: 0;"> <span id="LC844" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ The set of uncovered values falling out at the bottom.</span></span>
</pre>
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839
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<td class="diff-line-num new_line" data-linenumber="845" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
845
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<pre style="margin: 0;"> <span id="LC845" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--   (for -Wincomplete-patterns, but also important state for the algorithm)</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC846" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">cr_approx</span>  <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Precision</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -852,23 +858,23 @@ instance Outputable a => Outputable (CheckResult a) where</td>
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852
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<pre style="margin: 0;"> <span id="LC858" class="line" lang="haskell">      <span class="n" style="color: #333;">ppr_precision</span> <span class="kt" style="color: #458; font-weight: 600;">Approximate</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"(Approximate)"</span></span>
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<pre style="margin: 0;"> <span id="LC859" class="line" lang="haskell">      <span class="n" style="color: #333;">field</span> <span class="n" style="color: #333;">name</span> <span class="n" style="color: #333;">value</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">equals</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">value</span></span>
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854
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860
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<pre style="margin: 0;"> <span id="LC860" class="line" lang="haskell"></span>
</pre>
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855
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<td class="diff-line-num new_line old" data-linenumber="861" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC855" class="line" lang="haskell"><span class="cd">-- | Lift 'addPmCts' over '<span class="idiff left right">Delt</span>as'.</span></span>
</pre>
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856
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<td class="diff-line-num new_line old" data-linenumber="861" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC856" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmCts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
</pre>
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857
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<td class="diff-line-num new_line old" data-linenumber="861" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC857" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">liftDeltasM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff">d</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">d</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cts</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC861" class="line" lang="haskell"><span class="cd">-- | Lift 'addPmCts' over '<span class="idiff left right">Nabl</span>as'.</span></span>
</pre>
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862
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<pre style="margin: 0;">+<span id="LC862" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmCts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
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863
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<pre style="margin: 0;">+<span id="LC863" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">liftNablasM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff">d</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">d</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cts</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span></span>
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858
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864
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<pre style="margin: 0;"> <span id="LC864" class="line" lang="haskell"></span>
</pre>
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859
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<pre style="margin: 0;">-<span id="LC859" class="line" lang="haskell"><span class="cd">-- | 'addPmCts<span class="idiff left right">Delt</span>as' for a single 'PmCt'.</span></span>
</pre>
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860
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<pre style="margin: 0;">-<span id="LC860" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCt<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmCt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
</pre>
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861
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<pre style="margin: 0;">-<span id="LC861" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCt<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ct</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtsDeltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">ct</span><span class="p">)</span></span>
</pre>
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865
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<pre style="margin: 0;">+<span id="LC865" class="line" lang="haskell"><span class="cd">-- | 'addPmCts<span class="idiff left right">Nabl</span>as' for a single 'PmCt'.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="866" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
866
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<pre style="margin: 0;">+<span id="LC866" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCt<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmCt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
</pre>
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867
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<pre style="margin: 0;">+<span id="LC867" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCt<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ct</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtsNablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="n" style="color: #333;">ct</span><span class="p">)</span></span>
</pre>
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862
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868
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<pre style="margin: 0;"> <span id="LC868" class="line" lang="haskell"></span>
</pre>
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863
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<td class="diff-line-num new_line old" data-linenumber="869" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC863" class="line" lang="haskell"><span class="cd">-- | Test if any of the '<span class="idiff left right">Delt</span>a's is inhabited. Currently this is pure, because</span></span>
</pre>
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864
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<td class="diff-line-num new_line old" data-linenumber="869" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC864" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- we preserve the invariant that there are no uninhabited '<span class="idiff left right">Delt</span>a's. But that</span></span>
</pre>
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869
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<pre style="margin: 0;">+<span id="LC869" class="line" lang="haskell"><span class="cd">-- | Test if any of the '<span class="idiff left right">Nabl</span>a's is inhabited. Currently this is pure, because</span></span>
</pre>
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870
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<pre style="margin: 0;">+<span id="LC870" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- we preserve the invariant that there are no uninhabited '<span class="idiff left right">Nabl</span>a's. But that</span></span>
</pre>
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865
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871
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<pre style="margin: 0;"> <span id="LC871" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- could change in the future, for example by implementing this function in</span></span>
</pre>
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866
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872
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<pre style="margin: 0;"> <span id="LC872" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- terms of @notNull <$> provideEvidence 1 ds@.</span></span>
</pre>
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867
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<td class="diff-line-num new_line old" data-linenumber="873" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC867" class="line" lang="haskell"><span class="n" style="color: #333;">isInhabited</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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868
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<td class="diff-line-num new_line old" data-linenumber="873" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC868" class="line" lang="haskell"><span class="n" style="color: #333;">isInhabited</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">ds</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ds</span><span class="p">))</span></span>
</pre>
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873
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<pre style="margin: 0;">+<span id="LC873" class="line" lang="haskell"><span class="n" style="color: #333;">isInhabited</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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874
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<pre style="margin: 0;">+<span id="LC874" class="line" lang="haskell"><span class="n" style="color: #333;">isInhabited</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">ds</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ds</span><span class="p">))</span></span>
</pre>
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869
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875
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<pre style="margin: 0;"> <span id="LC875" class="line" lang="haskell"></span>
</pre>
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870
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876
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<pre style="margin: 0;"> <span id="LC876" class="line" lang="haskell"><span class="cd">-- | Coverage checking action. Can be composed 'leftToRight' or 'topToBottom'.</span></span>
</pre>
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871
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<td class="diff-line-num new_line old" data-linenumber="877" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC871" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">CheckAction</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CA</span> <span class="p">{</span> <span class="n" style="color: #333;">unCA</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CheckResult</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="p">}</span></span>
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<td class="diff-line-num new old_line" data-linenumber="872" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC877" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">CheckAction</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CA</span> <span class="p">{</span> <span class="n" style="color: #333;">unCA</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CheckResult</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="p">}</span></span>
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872
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<td class="diff-line-num new_line" data-linenumber="878" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
878
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<pre style="margin: 0;"> <span id="LC878" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">deriving</span> <span class="kt" style="color: #458; font-weight: 600;">Functor</span></span>
</pre>
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873
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<td class="diff-line-num new_line" data-linenumber="879" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
879
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<pre style="margin: 0;"> <span id="LC879" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="874" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
874
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<td class="diff-line-num new_line" data-linenumber="880" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
880
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<pre style="margin: 0;"> <span id="LC880" class="line" lang="haskell"><span class="cd">-- | Composes 'CheckAction's top-to-bottom:</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="910" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -910,23 +916,34 @@ leftToRight f (CA left) (CA right) = CA $ \inc -> do</td>
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910
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916
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<pre style="margin: 0;"> <span id="LC916" class="line" lang="haskell">                   <span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">uncov'</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="911" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
911
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917
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<pre style="margin: 0;"> <span id="LC917" class="line" lang="haskell">                   <span class="p">,</span> <span class="n" style="color: #333;">cr_approx</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">prec'</span> <span class="kt" style="color: #458; font-weight: 600;">Semi</span><span class="o" style="font-weight: 600;">.<></span> <span class="n" style="color: #333;">cr_approx</span> <span class="n" style="color: #333;">l</span> <span class="kt" style="color: #458; font-weight: 600;">Semi</span><span class="o" style="font-weight: 600;">.<></span> <span class="n" style="color: #333;">cr_approx</span> <span class="n" style="color: #333;">r</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="912" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
912
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<td class="diff-line-num new_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
918
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<pre style="margin: 0;"> <span id="LC918" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="913" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
913
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<td class="diff-line-num new_line old" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC913" class="line" lang="haskell"><span class="cd">-- | @throttle limit old new@ returns @old@ if the number of '<span class="idiff left right">Delt</span>a's in @new@</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="914" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
914
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<td class="diff-line-num new_line old" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC914" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- is exceeding the given @limit@ and the @old@ number of '<span class="idiff left right">Delt</span>a's.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
919
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<pre style="margin: 0;">+<span id="LC919" class="line" lang="haskell"><span class="cd">-- | @throttle limit old new@ returns @old@ if the number of '<span class="idiff left right">Nabl</span>a's in @new@</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
920
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<pre style="margin: 0;">+<span id="LC920" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- is exceeding the given @limit@ and the @old@ number of '<span class="idiff left right">Nabl</span>a's.</span></span>
</pre>
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915
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<td class="diff-line-num new_line" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
921
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<pre style="margin: 0;"> <span id="LC921" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Countering exponential blowup].</span></span>
</pre>
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916
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<td class="diff-line-num new_line old" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC916" class="line" lang="haskell"><span class="n" style="color: #333;">throttle</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Precision</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">)</span></span>
</pre>
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917
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<pre style="margin: 0;">-<span id="LC917" class="line" lang="haskell"><span class="n" style="color: #333;">throttle</span> <span class="n" style="color: #333;">limit</span> <span class="n" style="color: #333;">old</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">old_ds</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">new</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkDelt</span>as</span> <span class="n" style="color: #333;">new_ds</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
922
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<pre style="margin: 0;">+<span id="LC922" class="line" lang="haskell"><span class="n" style="color: #333;">throttle</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Precision</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
923
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<pre style="margin: 0;">+<span id="LC923" class="line" lang="haskell"><span class="n" style="color: #333;">throttle</span> <span class="n" style="color: #333;">limit</span> <span class="n" style="color: #333;">old</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">old_ds</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">new</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkNabl</span>as</span> <span class="n" style="color: #333;">new_ds</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
918
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<td class="diff-line-num new_line" data-linenumber="924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
924
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<pre style="margin: 0;"> <span id="LC924" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--- | pprTrace "PmCheck:throttle" (ppr (length old_ds) <+> ppr (length new_ds) <+> ppr limit) False = undefined</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
919
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<td class="diff-line-num new_line" data-linenumber="925" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
925
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<pre style="margin: 0;"> <span id="LC925" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">new_ds</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">max</span> <span class="n" style="color: #333;">limit</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">old_ds</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Approximate</span><span class="p">,</span> <span class="n" style="color: #333;">old</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
920
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<td class="diff-line-num new_line" data-linenumber="926" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
926
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<pre style="margin: 0;"> <span id="LC926" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>                                 <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Precise</span><span class="p">,</span>     <span class="n" style="color: #333;">new</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
921
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<td class="diff-line-num new_line" data-linenumber="927" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
927
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<pre style="margin: 0;"> <span id="LC927" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
922
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<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC922" class="line" lang="haskell"><span class="cd">-- | Matching on a newtype doesn't force anything.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
923
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<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC923" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Divergence of Newtype matches] in "GHC.HsToCore.PmCheck.Oracle".</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
924
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<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC924" class="line" lang="haskell"><span class="n" style="color: #333;">conMatchForces</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="925" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
925
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<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC925" class="line" lang="haskell"><span class="n" style="color: #333;">conMatchForces</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="926" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
926
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<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC926" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isNewTyCon</span> <span class="p">(</span><span class="n" style="color: #333;">dataConTyCon</span> <span class="n" style="color: #333;">dc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="927" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
927
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<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC927" class="line" lang="haskell"><span class="n" style="color: #333;">conMatchForces</span> <span class="kr" style="font-weight: 600;">_</span>                 <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
928
</td>
<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC928" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="929" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
929
</td>
<td class="diff-line-num new_line old" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC929" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- First the functions that correspond to checking LYG primitives:</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
928
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<pre style="margin: 0;">+<span id="LC928" class="line" lang="haskell"><span class="cd">-- | The 'PmCts' arising from a successful  'PmCon' match @T gammas as ys <- x@.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="929" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
929
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<pre style="margin: 0;">+<span id="LC929" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- These include</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
930
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<pre style="margin: 0;">+<span id="LC930" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="931" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
931
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<pre style="margin: 0;">+<span id="LC931" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   * @gammas@: Constraints arising from the bound evidence vars</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="932" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
932
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<pre style="margin: 0;">+<span id="LC932" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   * @y /~ ⊥@ constraints for each unlifted field (including strict fields)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="933" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
933
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<pre style="margin: 0;">+<span id="LC933" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     @y@ in @ys@</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="934" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
934
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<pre style="margin: 0;">+<span id="LC934" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   * The constructor constraint itself: @x ~ T as ys@.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="935" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
935
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<pre style="margin: 0;">+<span id="LC935" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="936" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
936
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<pre style="margin: 0;">+<span id="LC936" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Strict fields and fields of unlifted type].</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="937" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
937
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<pre style="margin: 0;">+<span id="LC937" class="line" lang="haskell"><span class="n" style="color: #333;">pmConCts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyVar</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">EvVar</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmCts</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="938" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
938
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<pre style="margin: 0;">+<span id="LC938" class="line" lang="haskell"><span class="n" style="color: #333;">pmConCts</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">dicts</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gammas</span> <span class="p">`</span><span class="n" style="color: #333;">unionBags</span><span class="p">`</span> <span class="n" style="color: #333;">unlifted</span> <span class="p">`</span><span class="n" style="color: #333;">snocBag</span><span class="p">`</span> <span class="n" style="color: #333;">con_ct</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="939" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
939
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<pre style="margin: 0;">+<span id="LC939" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="940" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
940
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<pre style="margin: 0;">+<span id="LC940" class="line" lang="haskell">    <span class="n" style="color: #333;">gammas</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">listToBag</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmTyCt</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">evVarPred</span><span class="p">)</span> <span class="n" style="color: #333;">dicts</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="941" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
941
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<pre style="margin: 0;">+<span id="LC941" class="line" lang="haskell">    <span class="n" style="color: #333;">con_ct</span>   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">PmConCt</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="942" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
942
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<pre style="margin: 0;">+<span id="LC942" class="line" lang="haskell">    <span class="n" style="color: #333;">unlifted</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">listToBag</span> <span class="p">[</span> <span class="kt" style="color: #458; font-weight: 600;">PmNotBotCt</span> <span class="n" style="color: #333;">arg</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="943" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
943
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<pre style="margin: 0;">+<span id="LC943" class="line" lang="haskell">                         <span class="o" style="font-weight: 600;">|</span> <span class="p">(</span><span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">bang</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="944" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
944
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<pre style="margin: 0;">+<span id="LC944" class="line" lang="haskell">                             <span class="n" style="color: #333;">zipEqual</span> <span class="s" style="color: #d14;">"pmConCts"</span> <span class="n" style="color: #333;">args</span> <span class="p">(</span><span class="n" style="color: #333;">pmAltConImplBangs</span> <span class="n" style="color: #333;">con</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="945" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
945
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<pre style="margin: 0;">+<span id="LC945" class="line" lang="haskell">                         <span class="p">,</span> <span class="n" style="color: #333;">isBanged</span> <span class="n" style="color: #333;">bang</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">isUnliftedType</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">arg</span><span class="p">)</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="946" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
946
</td>
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<pre style="margin: 0;">+<span id="LC946" class="line" lang="haskell">                         <span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
930
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947
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<pre style="margin: 0;"> <span id="LC947" class="line" lang="haskell"></span>
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931
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948
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<pre style="margin: 0;"> <span id="LC948" class="line" lang="haskell"><span class="n" style="color: #333;">checkSequence</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">grdtree</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CheckAction</span> <span class="n" style="color: #333;">anntree</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="n" style="color: #333;">grdtree</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CheckAction</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span> <span class="n" style="color: #333;">anntree</span><span class="p">)</span></span>
</pre>
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932
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<td class="diff-line-num new_line" data-linenumber="949" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
949
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<pre style="margin: 0;"> <span id="LC949" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The implementation is pretty similar to</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="939" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -939,31 +956,32 @@ checkGrd :: PmGrd -> CheckAction RedSets</td>
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939
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<td class="diff-line-num new_line" data-linenumber="956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC956" class="line" lang="haskell"><span class="n" style="color: #333;">checkGrd</span> <span class="n" style="color: #333;">grd</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CA</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">inc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">grd</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="940" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
940
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<td class="diff-line-num new_line" data-linenumber="957" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
957
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<pre style="margin: 0;"> <span id="LC957" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- let x = e: Refine with x ~ e</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="941" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
941
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<td class="diff-line-num new_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
958
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<pre style="margin: 0;"> <span id="LC958" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">PmLet</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="942" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
942
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<td class="diff-line-num new_line old" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC942" class="line" lang="haskell">    <span class="n" style="color: #333;">matched</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCtDeltas</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmCoreCt</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="943" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
959
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<pre style="margin: 0;">+<span id="LC959" class="line" lang="haskell">    <span class="n" style="color: #333;">matched</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCtNablas</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmCoreCt</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="943" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
960
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<pre style="margin: 0;">+<span id="LC960" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- tracePm "check:Let" (ppr x <+> char '=' <+> ppr e)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="943" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
943
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<td class="diff-line-num new_line" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
961
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<pre style="margin: 0;"> <span id="LC961" class="line" lang="haskell">    <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">CheckResult</span> <span class="p">{</span> <span class="n" style="color: #333;">cr_ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyRedSets</span> <span class="p">{</span> <span class="n" style="color: #333;">rs_cov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">matched</span> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="944" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
944
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<td class="diff-line-num new_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
962
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<pre style="margin: 0;"> <span id="LC962" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mempty</span></span>
</pre>
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945
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<td class="diff-line-num new_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC963" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">cr_approx</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Precise</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="946" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
946
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<td class="diff-line-num new_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
964
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<pre style="margin: 0;"> <span id="LC964" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Bang x _: Diverge on x ~ ⊥, refine with x /~ ⊥</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="947" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
947
</td>
<td class="diff-line-num new_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
965
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<pre style="margin: 0;"> <span id="LC965" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">PmBang</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">mb_info</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="948" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
948
</td>
<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC948" class="line" lang="haskell">    <span class="n" style="color: #333;">div</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmBotCt</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="949" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
949
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<td class="diff-line-num new_line old" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC949" class="line" lang="haskell">    <span class="n" style="color: #333;">matched</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmNotBotCt</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="950" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
966
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<pre style="margin: 0;">+<span id="LC966" class="line" lang="haskell">    <span class="n" style="color: #333;">div</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmBotCt</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="950" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
967
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<pre style="margin: 0;">+<span id="LC967" class="line" lang="haskell">    <span class="n" style="color: #333;">matched</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmNotBotCt</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="950" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
950
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<td class="diff-line-num new_line" data-linenumber="968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
968
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<pre style="margin: 0;"> <span id="LC968" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Dead bang patterns]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="951" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
951
</td>
<td class="diff-line-num new_line" data-linenumber="969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
969
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<pre style="margin: 0;"> <span id="LC969" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- mb_info = Just info <==> PmBang originates from bang pattern in source</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="952" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
952
</td>
<td class="diff-line-num new_line" data-linenumber="970" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
970
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<pre style="margin: 0;"> <span id="LC970" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">bangs</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mb_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unitOL</span> <span class="p">(</span><span class="n" style="color: #333;">div</span><span class="p">,</span> <span class="n" style="color: #333;">info</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="953" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
953
</td>
<td class="diff-line-num new_line" data-linenumber="971" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
971
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<pre style="margin: 0;"> <span id="LC971" class="line" lang="haskell">              <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>            <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NilOL</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="972" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
972
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<pre style="margin: 0;">+<span id="LC972" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- tracePm "check:Bang" (ppr x <+> ppr div)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
954
</td>
<td class="diff-line-num new_line" data-linenumber="973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
973
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<pre style="margin: 0;"> <span id="LC973" class="line" lang="haskell">    <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">CheckResult</span> <span class="p">{</span> <span class="n" style="color: #333;">cr_ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RedSets</span> <span class="p">{</span> <span class="n" style="color: #333;">rs_cov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">matched</span><span class="p">,</span> <span class="n" style="color: #333;">rs_div</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">div</span><span class="p">,</span> <span class="n" style="color: #333;">rs_bangs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bangs</span> <span class="p">}</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="955" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
955
</td>
<td class="diff-line-num new_line" data-linenumber="974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
974
</td>
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<pre style="margin: 0;"> <span id="LC974" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mempty</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
956
</td>
<td class="diff-line-num new_line" data-linenumber="975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
975
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC975" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">cr_approx</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Precise</span> <span class="p">}</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="957" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
957
</td>
<td class="diff-line-num new_line old" data-linenumber="976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC957" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Con: Diverge on x ~ ⊥, fall through on x /~ K and refine with x ~ K ys</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
958
</td>
<td class="diff-line-num new_line old" data-linenumber="976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC958" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--      and type info</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
976
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC976" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Con: Fall through on x /~ K and refine with x ~ K ys and type info</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
959
</td>
<td class="diff-line-num new_line" data-linenumber="977" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
977
</td>
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<pre style="margin: 0;"> <span id="LC977" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">PmCon</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">dicts</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
960
</td>
<td class="diff-line-num new_line old" data-linenumber="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC960" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">div</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">if</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">conMatchForces</span></span> <span class="n" style="color: #333;">con</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
961
</td>
<td class="diff-line-num new_line old" data-linenumber="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC961" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmBotCt</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
978
</td>
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<pre style="margin: 0;">+<span id="LC978" class="line" lang="haskell">    <span class="o" style="font-weight: 600;"><span class="idiff left">!</span></span><span class="n" style="color: #333;"><span class="idiff">div</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">if</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">isPmAltConMatchStrict</span></span> <span class="n" style="color: #333;">con</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
979
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC979" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmBotCt</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
962
</td>
<td class="diff-line-num new_line" data-linenumber="980" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
980
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<pre style="margin: 0;"> <span id="LC980" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">mempty</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
963
</td>
<td class="diff-line-num new_line old" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC963" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">uncov</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtDeltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">inc</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="p"><span class="idiff right">)</span></span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
964
</td>
<td class="diff-line-num new_line old" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC964" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">matched</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtsDeltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">inc</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">$</span></span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
965
</td>
<td class="diff-line-num new_line old" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC965" class="line" lang="haskell">    <span class="idiff left">  </span><span class="n" style="color: #333;"><span class="idiff">listToBag</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmTyCt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">evVarPred</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><$></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dicts</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="p"><span class="idiff">`</span></span><span class="n" style="color: #333;"><span class="idiff">snocBag</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tvs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">args</span></span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
966
</td>
<td class="diff-line-num new_line old" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC966" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- tracePm "checkGrd:Con" (ppr inc $$ ppr <span class="idiff left right">x $$ ppr con $$ ppr di</span>cts $$ ppr matched)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
981
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC981" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;"><span class="idiff left">let</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con_cts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pmConCts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tvs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dicts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">args</span></span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="982" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
982
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC982" class="line" lang="haskell">    <span class="o" style="font-weight: 600;"><span class="idiff left">!</span></span><span class="n" style="color: #333;"><span class="idiff">matched</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtsNablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">inc</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">con_cts</span></span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
983
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC983" class="line" lang="haskell">    <span class="o" style="font-weight: 600;"><span class="idiff left">!</span></span><span class="n" style="color: #333;"><span class="idiff">uncov</span></span><span class="idiff">   </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtNablas</span></span><span class="idiff">  </span><span class="n" style="color: #333;"><span class="idiff">inc</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="p"><span class="idiff right">)</span></span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
984
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC984" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- tracePm "checkGrd:Con" (ppr inc $$ ppr <span class="idiff left right">grd $$ ppr con_</span>cts $$ ppr matched)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
967
</td>
<td class="diff-line-num new_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
985
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC985" class="line" lang="haskell">    <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">CheckResult</span> <span class="p">{</span> <span class="n" style="color: #333;">cr_ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">emptyRedSets</span> <span class="p">{</span> <span class="n" style="color: #333;">rs_cov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">matched</span><span class="p">,</span> <span class="n" style="color: #333;">rs_div</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">div</span> <span class="p">}</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
968
</td>
<td class="diff-line-num new_line" data-linenumber="986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
986
</td>
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<pre style="margin: 0;"> <span id="LC986" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">uncov</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
969
</td>
<td class="diff-line-num new_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
987
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC987" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">cr_approx</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Precise</span> <span class="p">}</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="997" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -997,7 +1015,7 @@ checkGRHS (GrdGRHS { gg_grds = grds, gg_rhs = rhs_info }) =</td>
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997
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1015
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<pre style="margin: 0;"> <span id="LC1015" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
998
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<td class="diff-line-num new_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1016
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<pre style="margin: 0;"> <span id="LC1016" class="line" lang="haskell"><span class="n" style="color: #333;">checkEmptyCase</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">GrdEmptyCase</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CheckAction</span> <span class="kt" style="color: #458; font-weight: 600;">AnnEmptyCase</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="999" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
999
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<td class="diff-line-num new_line" data-linenumber="1017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1017
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<pre style="margin: 0;"> <span id="LC1017" class="line" lang="haskell"><span class="n" style="color: #333;">checkEmptyCase</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GrdEmptyCase</span> <span class="p">{</span> <span class="n" style="color: #333;">ge_var</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">var</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CA</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">inc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1000" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1000
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<td class="diff-line-num new_line old" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1000" class="line" lang="haskell">  <span class="n" style="color: #333;">unc</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmNotBotCt</span> <span class="n" style="color: #333;">var</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1001" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1018
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<pre style="margin: 0;">+<span id="LC1018" class="line" lang="haskell">  <span class="n" style="color: #333;">unc</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">addPmCt<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">inc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmNotBotCt</span> <span class="n" style="color: #333;">var</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1001" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1001
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<td class="diff-line-num new_line" data-linenumber="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1019
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<pre style="margin: 0;"> <span id="LC1019" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">CheckResult</span> <span class="p">{</span> <span class="n" style="color: #333;">cr_ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">AnnEmptyCase</span><span class="p">,</span> <span class="n" style="color: #333;">cr_uncov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unc</span><span class="p">,</span> <span class="n" style="color: #333;">cr_approx</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mempty</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1002" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1002
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<td class="diff-line-num new_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1020
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<pre style="margin: 0;"> <span id="LC1020" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1003
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<td class="diff-line-num new_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1021
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<pre style="margin: 0;"> <span id="LC1021" class="line" lang="haskell"><span class="n" style="color: #333;">checkPatBind</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">GrdPatBind</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CheckAction</span> <span class="kt" style="color: #458; font-weight: 600;">AnnPatBind</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1007" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1007,7 +1025,7 @@ checkPatBind = coerce checkGRHS</td>
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1007
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<td class="diff-line-num new_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1025
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<pre style="margin: 0;"> <span id="LC1025" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1008" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1008
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<td class="diff-line-num new_line" data-linenumber="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1026
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<pre style="margin: 0;"> <span id="LC1026" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Precise pattern match exhaustiveness checking is necessarily exponential in</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1009" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1009
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<td class="diff-line-num new_line" data-linenumber="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1027
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<pre style="margin: 0;"> <span id="LC1027" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the size of some input programs. We implement a counter-measure in the form of</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1010" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1010
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<td class="diff-line-num new_line old" data-linenumber="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1010" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the -fmax-pmcheck-models flag, limiting the number of <span class="idiff left right">Delt</span>as we check against</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1028
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<pre style="margin: 0;">+<span id="LC1028" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the -fmax-pmcheck-models flag, limiting the number of <span class="idiff left right">Nabl</span>as we check against</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1011
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<td class="diff-line-num new_line" data-linenumber="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1029
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<pre style="margin: 0;"> <span id="LC1029" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">each pattern by a constant.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1012
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<td class="diff-line-num new_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1030
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<pre style="margin: 0;"> <span id="LC1030" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1013
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<td class="diff-line-num new_line" data-linenumber="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1031
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<pre style="margin: 0;"> <span id="LC1031" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">How do we do that? Consider</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1016,13 +1034,13 @@ How do we do that? Consider</td>
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1016
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<td class="diff-line-num new_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1034
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<pre style="margin: 0;"> <span id="LC1034" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  f True True = ()</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1017
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<td class="diff-line-num new_line" data-linenumber="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1035
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<pre style="margin: 0;"> <span id="LC1035" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1018
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<td class="diff-line-num new_line" data-linenumber="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1036
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<pre style="margin: 0;"> <span id="LC1036" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">And imagine we set our limit to 1 for the sake of the example. The first clause</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1019
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<td class="diff-line-num new_line old" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1019" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">will be checked against the initial <span class="idiff left right">Delt</span>a, {}. Doing so will produce an</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1037
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<pre style="margin: 0;">+<span id="LC1037" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">will be checked against the initial <span class="idiff left right">Nabl</span>a, {}. Doing so will produce an</span></span>
</pre>
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1020
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<td class="diff-line-num new_line" data-linenumber="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1038
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<pre style="margin: 0;"> <span id="LC1038" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Uncovered set of size 2, containing the models {x/~True} and {x~True,y/~True}.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1021
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<td class="diff-line-num new_line" data-linenumber="1039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1039
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<pre style="margin: 0;"> <span id="LC1039" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Also we find the first clause to cover the model {x~True,y~True}.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1022
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<td class="diff-line-num new_line" data-linenumber="1040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1040
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<pre style="margin: 0;"> <span id="LC1040" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1023" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1023
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<td class="diff-line-num new_line" data-linenumber="1041" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1041
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<pre style="margin: 0;"> <span id="LC1041" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">But the Uncovered set we get out of the match is too huge! We somehow have to</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1024
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<td class="diff-line-num new_line" data-linenumber="1042" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1042
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<pre style="margin: 0;"> <span id="LC1042" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">ensure not to make things worse as they are already, so we continue checking</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1025
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<td class="diff-line-num new_line old" data-linenumber="1043" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1025" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">with a singleton Uncovered set of the initial <span class="idiff left right">Delt</span>a {}. Why is this</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1043" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1043
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<pre style="margin: 0;">+<span id="LC1043" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">with a singleton Uncovered set of the initial <span class="idiff left right">Nabl</span>a {}. Why is this</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1026
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<td class="diff-line-num new_line" data-linenumber="1044" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1044
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<pre style="margin: 0;"> <span id="LC1044" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">sound (wrt. the notion in GADTs Meet Their Match)? Well, it basically amounts</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1027
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<td class="diff-line-num new_line" data-linenumber="1045" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1045
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<pre style="margin: 0;"> <span id="LC1045" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">to forgetting that we matched against the first clause. The values represented</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1028
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<td class="diff-line-num new_line" data-linenumber="1046" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1046
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<pre style="margin: 0;"> <span id="LC1046" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">by {} are a superset of those represented by its two refinements {x/~True} and</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1093" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1093,41 +1111,41 @@ addRedundantBangs red_bangs  cirb =</td>
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<td class="diff-line-num old_line" data-linenumber="1093" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1093
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<td class="diff-line-num new_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1111
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<pre style="margin: 0;"> <span id="LC1111" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--  1. A 'CIRB', classifying every encountered RHS in the tree as</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1094" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1094
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<td class="diff-line-num new_line" data-linenumber="1112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1112
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<pre style="margin: 0;"> <span id="LC1112" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     redundant, inaccessible or covered.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1095" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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1113
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<pre style="margin: 0;"> <span id="LC1113" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--  2. A piece of long-distance information @ldi@, consisting of a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1096
</td>
<td class="diff-line-num new_line old" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1096" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     nesting of '<span class="idiff left right">Delt</span>as' mirroring tree structure.</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1114
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<pre style="margin: 0;">+<span id="LC1114" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     nesting of '<span class="idiff left right">Nabl</span>as' mirroring tree structure.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1097
</td>
<td class="diff-line-num new_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1115
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<pre style="margin: 0;"> <span id="LC1115" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     For example, 'collectMatchGroup' operates on a Match Group and thus</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1098
</td>
<td class="diff-line-num new_line old" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1098" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     returns a list of '<span class="idiff left right">Delt</span>as' for the pattern part of each Match, as well as</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1099
</td>
<td class="diff-line-num new_line old" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1099" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     a further nested list of '<span class="idiff left right">Delt</span>as' for each of the GRHS of the Match.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1116
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<pre style="margin: 0;">+<span id="LC1116" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     returns a list of '<span class="idiff left right">Nabl</span>as' for the pattern part of each Match, as well as</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1117
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<pre style="margin: 0;">+<span id="LC1117" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     a further nested list of '<span class="idiff left right">Nabl</span>as' for each of the GRHS of the Match.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1100
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<td class="diff-line-num new_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1118
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<pre style="margin: 0;"> <span id="LC1118" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">CIRBCollector</span> <span class="n" style="color: #333;">ann</span> <span class="n" style="color: #333;">ldi</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ann</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CIRB</span><span class="p">,</span> <span class="n" style="color: #333;">ldi</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1101
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<td class="diff-line-num new_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1119
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<pre style="margin: 0;"> <span id="LC1119" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="1102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1102
</td>
<td class="diff-line-num new_line old" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1102" class="line" lang="haskell"><span class="cd">-- | Checks the '<span class="idiff left right">Delt</span>as' in a 'RedSets' for inhabitants and returns</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1120
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<pre style="margin: 0;">+<span id="LC1120" class="line" lang="haskell"><span class="cd">-- | Checks the '<span class="idiff left right">Nabl</span>as' in a 'RedSets' for inhabitants and returns</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1103
</td>
<td class="diff-line-num new_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1121
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<pre style="margin: 0;"> <span id="LC1121" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--    1. Whether the Covered set was inhabited</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1104
</td>
<td class="diff-line-num new_line" data-linenumber="1122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1122
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1122" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--    2. Whether the Diverging set was inhabited</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1105
</td>
<td class="diff-line-num new_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1123
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<pre style="margin: 0;"> <span id="LC1123" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--    3. The new inhabited Covered set for long-distance information.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1106
</td>
<td class="diff-line-num new_line" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1124
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1124" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--       See Note [Recovering from unsatisfiable pattern-matching constraints].</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1107
</td>
<td class="diff-line-num new_line old" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1107" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--    4. All source bangs whose '<span class="idiff left right">Delt</span>as' were empty, which means they are</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1125
</td>
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<pre style="margin: 0;">+<span id="LC1125" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--    4. All source bangs whose '<span class="idiff left right">Nabl</span>as' were empty, which means they are</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1108
</td>
<td class="diff-line-num new_line" data-linenumber="1126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1126
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<pre style="margin: 0;"> <span id="LC1126" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--       redundant.</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1109
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<td class="diff-line-num new_line old" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1109" class="line" lang="haskell"><span class="n" style="color: #333;">testRedSets</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">RedSets</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bool</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bool</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OrdList</span> <span class="kt" style="color: #458; font-weight: 600;">SrcInfo</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1127
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<pre style="margin: 0;">+<span id="LC1127" class="line" lang="haskell"><span class="n" style="color: #333;">testRedSets</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">RedSets</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bool</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bool</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OrdList</span> <span class="kt" style="color: #458; font-weight: 600;">SrcInfo</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1110
</td>
<td class="diff-line-num new_line" data-linenumber="1128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1128
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<pre style="margin: 0;"> <span id="LC1128" class="line" lang="haskell"><span class="n" style="color: #333;">testRedSets</span> <span class="n" style="color: #333;">ldi</span> <span class="kt" style="color: #458; font-weight: 600;">RedSets</span> <span class="p">{</span> <span class="n" style="color: #333;">rs_cov</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cov</span><span class="p">,</span> <span class="n" style="color: #333;">rs_div</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">div</span><span class="p">,</span> <span class="n" style="color: #333;">rs_bangs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bangs</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1111
</td>
<td class="diff-line-num new_line" data-linenumber="1129" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1129
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<pre style="margin: 0;"> <span id="LC1129" class="line" lang="haskell">  <span class="n" style="color: #333;">is_covered</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isInhabited</span> <span class="n" style="color: #333;">cov</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1112
</td>
<td class="diff-line-num new_line" data-linenumber="1130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1130
</td>
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<pre style="margin: 0;"> <span id="LC1130" class="line" lang="haskell">  <span class="n" style="color: #333;">may_diverge</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isInhabited</span> <span class="n" style="color: #333;">div</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1113
</td>
<td class="diff-line-num new_line old" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1113" class="line" lang="haskell">  <span class="n" style="color: #333;">red_bangs</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">flip</span> <span class="n" style="color: #333;">mapMaybeM</span> <span class="p">(</span><span class="n" style="color: #333;">fromOL</span> <span class="n" style="color: #333;">bangs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span><span class="p">,</span> <span class="n" style="color: #333;">bang</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1114
</td>
<td class="diff-line-num new_line old" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1114" class="line" lang="haskell">    <span class="n" style="color: #333;">isInhabited</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1131
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1131" class="line" lang="haskell">  <span class="n" style="color: #333;">red_bangs</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">flip</span> <span class="n" style="color: #333;">mapMaybeM</span> <span class="p">(</span><span class="n" style="color: #333;">fromOL</span> <span class="n" style="color: #333;">bangs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span><span class="p">,</span> <span class="n" style="color: #333;">bang</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1132
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1132" class="line" lang="haskell">    <span class="n" style="color: #333;">isInhabited</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1115
</td>
<td class="diff-line-num new_line" data-linenumber="1133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1133
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1133" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">True</span>  <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1116
</td>
<td class="diff-line-num new_line" data-linenumber="1134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1134
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1134" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">bang</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1117
</td>
<td class="diff-line-num new_line" data-linenumber="1135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1135
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1135" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Recovering from unsatisfiable pattern-matching constraints]</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1118
</td>
<td class="diff-line-num new_line old" data-linenumber="1136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1118" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">Delt</span>as for long-distance info: Use (non-empty!) fallback ldi if Covered</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1136
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1136" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">Nabl</span>as for long-distance info: Use (non-empty!) fallback ldi if Covered</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1119
</td>
<td class="diff-line-num new_line" data-linenumber="1137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1137
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1137" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- set was empty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1120
</td>
<td class="diff-line-num new_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1138
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<pre style="margin: 0;"> <span id="LC1138" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ldi'</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1121
</td>
<td class="diff-line-num new_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1139
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<pre style="margin: 0;"> <span id="LC1139" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">is_covered</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cov</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1122
</td>
<td class="diff-line-num new_line" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1140
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<pre style="margin: 0;"> <span id="LC1140" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ldi</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1123
</td>
<td class="diff-line-num new_line" data-linenumber="1141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1141
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<pre style="margin: 0;"> <span id="LC1141" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">is_covered</span><span class="p">,</span> <span class="n" style="color: #333;">may_diverge</span><span class="p">,</span> <span class="n" style="color: #333;">ldi'</span><span class="p">,</span> <span class="n" style="color: #333;">toOL</span> <span class="n" style="color: #333;">red_bangs</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1124
</td>
<td class="diff-line-num new_line" data-linenumber="1142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1142
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<pre style="margin: 0;"> <span id="LC1142" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1125
</td>
<td class="diff-line-num new_line old" data-linenumber="1143" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1125" class="line" lang="haskell"><span class="n" style="color: #333;">collectMatchGroup</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnMatchGroup</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">))</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1143" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1143
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1143" class="line" lang="haskell"><span class="n" style="color: #333;">collectMatchGroup</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnMatchGroup</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">))</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1126
</td>
<td class="diff-line-num new_line" data-linenumber="1144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1144
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<pre style="margin: 0;"> <span id="LC1144" class="line" lang="haskell"><span class="n" style="color: #333;">collectMatchGroup</span> <span class="n" style="color: #333;">ldi</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AnnMatchGroup</span> <span class="n" style="color: #333;">matches</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1127
</td>
<td class="diff-line-num new_line" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1145
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<pre style="margin: 0;"> <span id="LC1145" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">cirbs</span><span class="p">,</span> <span class="n" style="color: #333;">ldis</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">NE</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">unzip</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverse</span> <span class="p">(</span><span class="n" style="color: #333;">collectMatch</span> <span class="n" style="color: #333;">ldi</span><span class="p">)</span> <span class="n" style="color: #333;">matches</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1128
</td>
<td class="diff-line-num new_line" data-linenumber="1146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1146
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<pre style="margin: 0;"> <span id="LC1146" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Semi</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">sconcat</span> <span class="n" style="color: #333;">cirbs</span><span class="p">,</span> <span class="n" style="color: #333;">ldis</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1129" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1129
</td>
<td class="diff-line-num new_line" data-linenumber="1147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1147
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1147" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1130
</td>
<td class="diff-line-num new_line old" data-linenumber="1148" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1130" class="line" lang="haskell"><span class="n" style="color: #333;">collectMatch</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnMatch</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1148" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1148
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1148" class="line" lang="haskell"><span class="n" style="color: #333;">collectMatch</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnMatch</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1131
</td>
<td class="diff-line-num new_line" data-linenumber="1149" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1149
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<pre style="margin: 0;"> <span id="LC1149" class="line" lang="haskell"><span class="n" style="color: #333;">collectMatch</span> <span class="n" style="color: #333;">ldi</span> <span class="kt" style="color: #458; font-weight: 600;">AnnMatch</span> <span class="p">{</span> <span class="n" style="color: #333;">am_red</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">red</span><span class="p">,</span> <span class="n" style="color: #333;">am_grhss</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">grhss</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1132
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<td class="diff-line-num new_line" data-linenumber="1150" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1150
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<pre style="margin: 0;"> <span id="LC1150" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">is_covered</span><span class="p">,</span> <span class="n" style="color: #333;">may_diverge</span><span class="p">,</span> <span class="n" style="color: #333;">ldi'</span><span class="p">,</span> <span class="n" style="color: #333;">red_bangs</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">testRedSets</span> <span class="n" style="color: #333;">ldi</span> <span class="n" style="color: #333;">red</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1133
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<td class="diff-line-num new_line" data-linenumber="1151" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1151
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<pre style="margin: 0;"> <span id="LC1151" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">cirb</span><span class="p">,</span> <span class="n" style="color: #333;">ldis</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">collectGRHSs</span> <span class="n" style="color: #333;">ldi'</span> <span class="n" style="color: #333;">grhss</span></span>
</pre>
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<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1138,12 +1156,12 @@ collectMatch ldi AnnMatch { am_red = red, am_grhss = grhss } = do</td>
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<td class="diff-line-num old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1138
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<td class="diff-line-num new_line" data-linenumber="1156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1156
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<pre style="margin: 0;"> <span id="LC1156" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cirb</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1139
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<td class="diff-line-num new_line" data-linenumber="1157" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1157
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<pre style="margin: 0;"> <span id="LC1157" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">cirb'</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">ldi'</span><span class="p">,</span> <span class="n" style="color: #333;">ldis</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1140
</td>
<td class="diff-line-num new_line" data-linenumber="1158" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1158
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<pre style="margin: 0;"> <span id="LC1158" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1141
</td>
<td class="diff-line-num new_line old" data-linenumber="1159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1141" class="line" lang="haskell"><span class="n" style="color: #333;">collectGRHSs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnGRHS</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1159
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1159" class="line" lang="haskell"><span class="n" style="color: #333;">collectGRHSs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnGRHS</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NonEmpty</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1142
</td>
<td class="diff-line-num new_line" data-linenumber="1160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1160
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<pre style="margin: 0;"> <span id="LC1160" class="line" lang="haskell"><span class="n" style="color: #333;">collectGRHSs</span> <span class="n" style="color: #333;">ldi</span> <span class="n" style="color: #333;">grhss</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1143" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1143
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<td class="diff-line-num new_line" data-linenumber="1161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1161
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<pre style="margin: 0;"> <span id="LC1161" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">cirbs</span><span class="p">,</span> <span class="n" style="color: #333;">ldis</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">NE</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">unzip</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverse</span> <span class="p">(</span><span class="n" style="color: #333;">collectGRHS</span> <span class="n" style="color: #333;">ldi</span><span class="p">)</span> <span class="n" style="color: #333;">grhss</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1144
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<td class="diff-line-num new_line" data-linenumber="1162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1162
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<pre style="margin: 0;"> <span id="LC1162" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Semi</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">sconcat</span> <span class="n" style="color: #333;">cirbs</span><span class="p">,</span> <span class="n" style="color: #333;">ldis</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1145
</td>
<td class="diff-line-num new_line" data-linenumber="1163" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1163
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<pre style="margin: 0;"> <span id="LC1163" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1146
</td>
<td class="diff-line-num new_line old" data-linenumber="1164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1146" class="line" lang="haskell"><span class="n" style="color: #333;">collectGRHS</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnGRHS</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1164
</td>
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<pre style="margin: 0;">+<span id="LC1164" class="line" lang="haskell"><span class="n" style="color: #333;">collectGRHS</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CIRBCollector</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">AnnGRHS</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1147
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<td class="diff-line-num new_line" data-linenumber="1165" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1165
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<pre style="margin: 0;"> <span id="LC1165" class="line" lang="haskell"><span class="n" style="color: #333;">collectGRHS</span> <span class="n" style="color: #333;">ldi</span> <span class="kt" style="color: #458; font-weight: 600;">AnnGRHS</span> <span class="p">{</span> <span class="n" style="color: #333;">ag_red</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">red</span><span class="p">,</span> <span class="n" style="color: #333;">ag_rhs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">info</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1148" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1148
</td>
<td class="diff-line-num new_line" data-linenumber="1166" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1166
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<pre style="margin: 0;"> <span id="LC1166" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">is_covered</span><span class="p">,</span> <span class="n" style="color: #333;">may_diverge</span><span class="p">,</span> <span class="n" style="color: #333;">ldi'</span><span class="p">,</span> <span class="n" style="color: #333;">red_bangs</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">testRedSets</span> <span class="n" style="color: #333;">ldi</span> <span class="n" style="color: #333;">red</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1149" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1149
</td>
<td class="diff-line-num new_line" data-linenumber="1167" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1167
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<pre style="margin: 0;"> <span id="LC1167" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">cirb</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">is_covered</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mempty</span> <span class="p">{</span> <span class="n" style="color: #333;">cirb_cov</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unitOL</span> <span class="n" style="color: #333;">info</span> <span class="p">}</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1174" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1156,9 +1174,9 @@ collectEmptyCase _ = pure (mempty, ())</td>
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<td class="diff-line-num old_line" data-linenumber="1156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1156
</td>
<td class="diff-line-num new_line" data-linenumber="1174" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1174
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<pre style="margin: 0;"> <span id="LC1174" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1157" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1157
</td>
<td class="diff-line-num new_line" data-linenumber="1175" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1175
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<pre style="margin: 0;"> <span id="LC1175" class="line" lang="haskell"><span class="n" style="color: #333;">collectPatBind</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CIRBCollector</span> <span class="kt" style="color: #458; font-weight: 600;">AnnPatBind</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1158" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1158
</td>
<td class="diff-line-num new_line" data-linenumber="1176" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1176
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<pre style="margin: 0;"> <span id="LC1176" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We don't make use of long-distance information in pattern bindings, hence</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1159
</td>
<td class="diff-line-num new_line old" data-linenumber="1177" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1159" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @()@ instead of some '<span class="idiff left right">Delt</span>as'.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1177" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1177
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<pre style="margin: 0;">+<span id="LC1177" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @()@ instead of some '<span class="idiff left right">Nabl</span>as'.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1160
</td>
<td class="diff-line-num new_line" data-linenumber="1178" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1178
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<pre style="margin: 0;"> <span id="LC1178" class="line" lang="haskell"><span class="n" style="color: #333;">collectPatBind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">AnnPatBind</span> <span class="n" style="color: #333;">grhs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1161" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1161
</td>
<td class="diff-line-num new_line old" data-linenumber="1179" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1161" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- use 'mempty' as fallback '<span class="idiff left right">Delt</span>as' because we discard it anyway</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1179" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1179
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<pre style="margin: 0;">+<span id="LC1179" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- use 'mempty' as fallback '<span class="idiff left right">Nabl</span>as' because we discard it anyway</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1162
</td>
<td class="diff-line-num new_line" data-linenumber="1180" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1180
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<pre style="margin: 0;"> <span id="LC1180" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">cirb</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">collectGRHS</span> <span class="n" style="color: #333;">mempty</span> <span class="n" style="color: #333;">grhs</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1163" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1163
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<td class="diff-line-num new_line" data-linenumber="1181" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1181
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<pre style="margin: 0;"> <span id="LC1181" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">cirb</span><span class="p">,</span> <span class="nb" style="color: #0086b3;">()</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1164" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1164
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<td class="diff-line-num new_line" data-linenumber="1182" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1182
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<pre style="margin: 0;"> <span id="LC1182" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1254" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1236,10 +1254,10 @@ reportWarnings dflags ctx@(DsMatchContext kind loc) vars</td>
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1236
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<td class="diff-line-num new_line" data-linenumber="1254" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1254
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<pre style="margin: 0;"> <span id="LC1254" class="line" lang="haskell">      <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">q</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">matchSeparator</span> <span class="n" style="color: #333;">kind</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"..."</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1237
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<td class="diff-line-num new_line" data-linenumber="1255" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1255
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<pre style="margin: 0;"> <span id="LC1255" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1238" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1238
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<td class="diff-line-num new_line" data-linenumber="1256" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1256
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<pre style="margin: 0;"> <span id="LC1256" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Print several clauses (for uncovered clauses)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1239" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1239
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<td class="diff-line-num new_line old" data-linenumber="1257" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1239" class="line" lang="haskell">    <span class="n" style="color: #333;">pprEqns</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprContext</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">ctx</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"are non-exhaustive"</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1240" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1257" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1257
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<pre style="margin: 0;">+<span id="LC1257" class="line" lang="haskell">    <span class="n" style="color: #333;">pprEqns</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprContext</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">ctx</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"are non-exhaustive"</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1240" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1240
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<td class="diff-line-num new_line" data-linenumber="1258" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1258
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<pre style="margin: 0;"> <span id="LC1258" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">vars</span> <span class="kr" style="font-weight: 600;">of</span> <span class="c1" style="color: #998; font-style: italic;">-- See #11245</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1241" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1241
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<td class="diff-line-num new_line" data-linenumber="1259" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1259
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<pre style="margin: 0;"> <span id="LC1259" class="line" lang="haskell">           <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Guards do not cover entire pattern space"</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1242" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1242
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<td class="diff-line-num new_line old" data-linenumber="1260" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1242" class="line" lang="haskell">           <span class="kr" style="font-weight: 600;">_</span>  <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">us</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pprUncovered</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vars</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1243" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1260" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1260
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<pre style="margin: 0;">+<span id="LC1260" class="line" lang="haskell">           <span class="kr" style="font-weight: 600;">_</span>  <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">us</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pprUncovered</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vars</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1243" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1243
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<td class="diff-line-num new_line" data-linenumber="1261" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1261
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<pre style="margin: 0;"> <span id="LC1261" class="line" lang="haskell">                 <span class="kr" style="font-weight: 600;">in</span>  <span class="n" style="color: #333;">hang</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Patterns not matched:"</span><span class="p">)</span> <span class="mi" style="color: #099;">4</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1244" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1244
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<td class="diff-line-num new_line" data-linenumber="1262" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1262
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<pre style="margin: 0;"> <span id="LC1262" class="line" lang="haskell">                       <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="p">(</span><span class="n" style="color: #333;">take</span> <span class="n" style="color: #333;">maxPatterns</span> <span class="n" style="color: #333;">us</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">dots</span> <span class="n" style="color: #333;">maxPatterns</span> <span class="n" style="color: #333;">us</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1245" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1245
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<td class="diff-line-num new_line" data-linenumber="1263" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1263
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<pre style="margin: 0;"> <span id="LC1263" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1254" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1272" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1254,14 +1272,14 @@ reportWarnings dflags ctx@(DsMatchContext kind loc) vars</td>
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1254
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<td class="diff-line-num new_line" data-linenumber="1272" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1272
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<pre style="margin: 0;"> <span id="LC1272" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">bullet</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Patterns reported as unmatched might actually be matched"</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1255" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1255
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<td class="diff-line-num new_line" data-linenumber="1273" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1273
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<pre style="margin: 0;"> <span id="LC1273" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Increase the limit or resolve the warnings to suppress this message."</span> <span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1256" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1256
</td>
<td class="diff-line-num new_line" data-linenumber="1274" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1274
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<pre style="margin: 0;"> <span id="LC1274" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1257" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1257
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<td class="diff-line-num new_line old" data-linenumber="1275" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1257" class="line" lang="haskell"><span class="n" style="color: #333;">getNFirstUncovered</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1258" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1258
</td>
<td class="diff-line-num new_line old" data-linenumber="1275" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1258" class="line" lang="haskell"><span class="n" style="color: #333;">getNFirstUncovered</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">deltas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">go</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">n</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">bagToList</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1259" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1275" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1275
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1275" class="line" lang="haskell"><span class="n" style="color: #333;">getNFirstUncovered</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1259" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1276" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1276
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1276" class="line" lang="haskell"><span class="n" style="color: #333;">getNFirstUncovered</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nablas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">go</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">n</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">bagToList</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1259" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1259
</td>
<td class="diff-line-num new_line" data-linenumber="1277" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1277
</td>
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<pre style="margin: 0;"> <span id="LC1277" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1260" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1260
</td>
<td class="diff-line-num new_line" data-linenumber="1278" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1278
</td>
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<pre style="margin: 0;"> <span id="LC1278" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">_</span>              <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1261" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1261
</td>
<td class="diff-line-num new_line" data-linenumber="1279" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1279
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1279" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1262" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1262
</td>
<td class="diff-line-num new_line old" data-linenumber="1280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1262" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1263" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1263
</td>
<td class="diff-line-num new_line old" data-linenumber="1280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1263" class="line" lang="haskell">      <span class="n" style="color: #333;">front</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">provideEvidence</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1264" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1264
</td>
<td class="diff-line-num new_line old" data-linenumber="1280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1264" class="line" lang="haskell">      <span class="n" style="color: #333;">back</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">front</span><span class="p">)</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1265" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1280" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1280
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1280" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1265" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1281" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1281
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1281" class="line" lang="haskell">      <span class="n" style="color: #333;">front</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">provideEvidence</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1265" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1282" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1282
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1282" class="line" lang="haskell">      <span class="n" style="color: #333;">back</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">front</span><span class="p">)</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1265" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1265
</td>
<td class="diff-line-num new_line" data-linenumber="1283" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1283
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1283" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">front</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">back</span><span class="p">)</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1266" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1266
</td>
<td class="diff-line-num new_line" data-linenumber="1284" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1284
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1284" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1267" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1267
</td>
<td class="diff-line-num new_line" data-linenumber="1285" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1285
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<pre style="margin: 0;"> <span id="LC1285" class="line" lang="haskell"><span class="n" style="color: #333;">dots</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="n" style="color: #333;">a</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1386" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1404" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1386,21 +1404,21 @@ code that we don't want to warn about.</td>
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<pre style="margin: 0;"> <span id="LC1404" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Long-distance information</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1387" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1405" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1405
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<pre style="margin: 0;"> <span id="LC1405" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1388
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<td class="diff-line-num new_line" data-linenumber="1406" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1406
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<pre style="margin: 0;"> <span id="LC1406" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1389
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<td class="diff-line-num new_line old" data-linenumber="1407" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1389" class="line" lang="haskell"><span class="cd">-- | Locally update 'dsl_<span class="idiff left right">delt</span>as' with the given action, but defer evaluation</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1407" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1407" class="line" lang="haskell"><span class="cd">-- | Locally update 'dsl_<span class="idiff left right">nabl</span>as' with the given action, but defer evaluation</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1408" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1408" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- with 'unsafeInterleaveM' in order not to do unnecessary work.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1391" class="line" lang="haskell"><span class="n" style="color: #333;">locallyExtendPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1392" class="line" lang="haskell"><span class="n" style="color: #333;">locallyExtendPm<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">ext</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1393" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">getPmDelt</span>as</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1394" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1394" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">unsafeInterleaveM</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1395" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">deltas'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ext</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1396" class="line" lang="haskell">    <span class="n" style="color: #333;">inh</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isInhabited</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as'</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1409" class="line" lang="haskell"><span class="n" style="color: #333;">locallyExtendPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1410" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1410
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<pre style="margin: 0;">+<span id="LC1410" class="line" lang="haskell"><span class="n" style="color: #333;">locallyExtendPm<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">ext</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1411" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">getPmNabl</span>as</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1412
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<pre style="margin: 0;">+<span id="LC1412" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">unsafeInterleaveM</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1413
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<pre style="margin: 0;">+<span id="LC1413" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">nablas'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ext</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1414
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<pre style="margin: 0;">+<span id="LC1414" class="line" lang="haskell">    <span class="n" style="color: #333;">inh</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isInhabited</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as'</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1397
</td>
<td class="diff-line-num new_line" data-linenumber="1415" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1415
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<pre style="margin: 0;"> <span id="LC1415" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- If adding a constraint would lead to a contradiction, don't add it.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1398
</td>
<td class="diff-line-num new_line" data-linenumber="1416" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1416
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<pre style="margin: 0;"> <span id="LC1416" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Recovering from unsatisfiable pattern-matching constraints]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1399
</td>
<td class="diff-line-num new_line" data-linenumber="1417" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1417
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<pre style="margin: 0;"> <span id="LC1417" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- for why this is done.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1400
</td>
<td class="diff-line-num new_line" data-linenumber="1418" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1418
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<pre style="margin: 0;"> <span id="LC1418" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">inh</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1401" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1401
</td>
<td class="diff-line-num new_line old" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1401" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as'</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1402" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1402
</td>
<td class="diff-line-num new_line old" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1402" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>as</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1403" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1403
</td>
<td class="diff-line-num new_line old" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1403" class="line" lang="haskell">  <span class="n" style="color: #333;">updPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as'</span> <span class="n" style="color: #333;">k</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1404" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1419
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<pre style="margin: 0;">+<span id="LC1419" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as'</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1404" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1420" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1420
</td>
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<pre style="margin: 0;">+<span id="LC1420" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>as</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1404" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1421" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1421
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<pre style="margin: 0;">+<span id="LC1421" class="line" lang="haskell">  <span class="n" style="color: #333;">updPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as'</span> <span class="n" style="color: #333;">k</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1404" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1404
</td>
<td class="diff-line-num new_line" data-linenumber="1422" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1422
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1422" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1405" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1405
</td>
<td class="diff-line-num new_line" data-linenumber="1423" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1423
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<pre style="margin: 0;"> <span id="LC1423" class="line" lang="haskell"><span class="cd">-- | Add in-scope type constraints if the coverage checker might run and then</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1406" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1406
</td>
<td class="diff-line-num new_line" data-linenumber="1424" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1424
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<pre style="margin: 0;"> <span id="LC1424" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- run the given action.</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1408" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1408,7 +1426,7 @@ addTyCs :: Origin -> Bag EvVar -> DsM a -> DsM a</td>
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<td class="diff-line-num old_line" data-linenumber="1408" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1408
</td>
<td class="diff-line-num new_line" data-linenumber="1426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1426
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<pre style="margin: 0;"> <span id="LC1426" class="line" lang="haskell"><span class="n" style="color: #333;">addTyCs</span> <span class="n" style="color: #333;">origin</span> <span class="n" style="color: #333;">ev_vars</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1409
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<td class="diff-line-num new_line" data-linenumber="1427" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1427
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<pre style="margin: 0;"> <span id="LC1427" class="line" lang="haskell">  <span class="n" style="color: #333;">dflags</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getDynFlags</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1410" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1410
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<td class="diff-line-num new_line" data-linenumber="1428" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1428
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<pre style="margin: 0;"> <span id="LC1428" class="line" lang="haskell">  <span class="n" style="color: #333;">applyWhen</span> <span class="p">(</span><span class="n" style="color: #333;">needToRunPmCheck</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">origin</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1411
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<td class="diff-line-num new_line old" data-linenumber="1429" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1411" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">locallyExtendPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtsDeltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmTyCt</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">evVarPred</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">ev_vars</span><span class="p">)))</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1429" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1429
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<pre style="margin: 0;">+<span id="LC1429" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">locallyExtendPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addPmCtsNablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmTyCt</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">evVarPred</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">ev_vars</span><span class="p">)))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1412
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<td class="diff-line-num new_line" data-linenumber="1430" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1430
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<pre style="margin: 0;"> <span id="LC1430" class="line" lang="haskell">            <span class="n" style="color: #333;">m</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1413
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<td class="diff-line-num new_line" data-linenumber="1431" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1431
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<pre style="margin: 0;"> <span id="LC1431" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1414
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<td class="diff-line-num new_line" data-linenumber="1432" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1432
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<pre style="margin: 0;"> <span id="LC1432" class="line" lang="haskell"><span class="cd">-- | Add equalities for the 'CoreExpr' scrutinee to the local 'DsM' environment</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1437" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1419,8 +1437,8 @@ addTyCs origin ev_vars m = do</td>
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<td class="diff-line-num old_line" data-linenumber="1419" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1419
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<td class="diff-line-num new_line" data-linenumber="1437" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1437
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<pre style="margin: 0;"> <span id="LC1437" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreScrutTmCs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="n" style="color: #333;">a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1420" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1420
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<td class="diff-line-num new_line" data-linenumber="1438" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1438
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<pre style="margin: 0;"> <span id="LC1438" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreScrutTmCs</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>    <span class="kr" style="font-weight: 600;">_</span>   <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">k</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1421" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1421
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<td class="diff-line-num new_line" data-linenumber="1439" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1439
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<pre style="margin: 0;"> <span id="LC1439" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreScrutTmCs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">scr</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">]</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1422" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1422
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<td class="diff-line-num new_line old" data-linenumber="1440" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1422" class="line" lang="haskell">  <span class="n" style="color: #333;">flip</span> <span class="n" style="color: #333;">locallyExtendPm<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">k</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1423" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1423
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<td class="diff-line-num new_line old" data-linenumber="1440" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1423" class="line" lang="haskell">    <span class="n" style="color: #333;">addPmCts<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmCoreCt</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">scr</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1424" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1440" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1440
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<pre style="margin: 0;">+<span id="LC1440" class="line" lang="haskell">  <span class="n" style="color: #333;">flip</span> <span class="n" style="color: #333;">locallyExtendPm<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">k</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">\</span></span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1424" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1441" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1441
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<pre style="margin: 0;">+<span id="LC1441" class="line" lang="haskell">    <span class="n" style="color: #333;">addPmCts<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">unitBag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmCoreCt</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">scr</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1424" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1424
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<td class="diff-line-num new_line" data-linenumber="1442" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1442
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<pre style="margin: 0;"> <span id="LC1442" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreScrutTmCs</span> <span class="kr" style="font-weight: 600;">_</span>   <span class="kr" style="font-weight: 600;">_</span>   <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">panic</span> <span class="s" style="color: #d14;">"addCoreScrutTmCs: scrutinee, but more than one match id"</span></span>
</pre>
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1425
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<td class="diff-line-num new_line" data-linenumber="1443" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1443
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1443" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1426
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<td class="diff-line-num new_line" data-linenumber="1444" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1444
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<pre style="margin: 0;"> <span id="LC1444" class="line" lang="haskell"><span class="cd">-- | 'addCoreScrutTmCs', but desugars the 'LHsExpr' first.</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1448" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1466" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1448,10 +1466,10 @@ of @f@.</td>
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1448
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<td class="diff-line-num new_line" data-linenumber="1466" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1466
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<pre style="margin: 0;"> <span id="LC1466" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1449" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1449
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<td class="diff-line-num new_line" data-linenumber="1467" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1467
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<pre style="margin: 0;"> <span id="LC1467" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">To achieve similar reasoning in the coverage checker, we keep track of the set</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1450" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1450
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<td class="diff-line-num new_line" data-linenumber="1468" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1468
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<pre style="margin: 0;"> <span id="LC1468" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">of values that can reach a particular program point (often loosely referred to</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1451" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1451
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<td class="diff-line-num new_line old" data-linenumber="1469" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1451" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">as "Covered set") in 'GHC.HsToCore.Monad.dsl_<span class="idiff left right">delt</span>as'.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1452" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1452
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<td class="diff-line-num new_line old" data-linenumber="1469" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1452" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We fill that set with Covered <span class="idiff left right">Delt</span>as returned by the exported checking</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1453" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1469" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1469
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<pre style="margin: 0;">+<span id="LC1469" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">as "Covered set") in 'GHC.HsToCore.Monad.dsl_<span class="idiff left right">nabl</span>as'.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1453" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1470" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1470
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<pre style="margin: 0;">+<span id="LC1470" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We fill that set with Covered <span class="idiff left right">Nabl</span>as returned by the exported checking</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1453" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1453
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<td class="diff-line-num new_line" data-linenumber="1471" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1471
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<pre style="margin: 0;"> <span id="LC1471" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">functions, which the call sites put into place with</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1454" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1454
</td>
<td class="diff-line-num new_line old" data-linenumber="1472" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1454" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">'GHC.HsToCore.Monad.updPm<span class="idiff left right">Delt</span>as'.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1455" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1472" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1472
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<pre style="margin: 0;">+<span id="LC1472" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">'GHC.HsToCore.Monad.updPm<span class="idiff left right">Nabl</span>as'.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1455" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1455
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<td class="diff-line-num new_line" data-linenumber="1473" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1473
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<pre style="margin: 0;"> <span id="LC1473" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Call sites also extend this set with facts from type-constraint dictionaries,</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1456" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1456
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<td class="diff-line-num new_line" data-linenumber="1474" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1474" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">case scrutinees, etc. with the exported functions 'addTyCs', 'addCoreScrutTmCs'</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1457" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1457
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<td class="diff-line-num new_line" data-linenumber="1475" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1475
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<pre style="margin: 0;"> <span id="LC1475" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">and 'addHsScrutTmCs'.</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1472" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1490" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1472,9 +1490,9 @@ unreachable.</td>
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<td class="diff-line-num new_line" data-linenumber="1490" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1490
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<pre style="margin: 0;"> <span id="LC1490" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">We can do better than this, by making sure that the Covered set used for</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1491" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1491
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<pre style="margin: 0;"> <span id="LC1491" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Long-distance information] is always inhabited.</span></span>
</pre>
</td>
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1474
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<td class="diff-line-num new_line" data-linenumber="1492" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1492
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<pre style="margin: 0;"> <span id="LC1492" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">For Covered sets returned by the exported checking functions, that is ensured</span></span>
</pre>
</td>
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1475
</td>
<td class="diff-line-num new_line old" data-linenumber="1493" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1475" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in 'testRedSets', which takes and returns a non-empty fallback '<span class="idiff left right">Delt</span>as' in case</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1476" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1493" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1493
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<pre style="margin: 0;">+<span id="LC1493" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">in 'testRedSets', which takes and returns a non-empty fallback '<span class="idiff left right">Nabl</span>as' in case</span></span>
</pre>
</td>
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1476
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<td class="diff-line-num new_line" data-linenumber="1494" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1494
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<pre style="margin: 0;"> <span id="LC1494" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the refined Covered set became uninhabited.</span></span>
</pre>
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1477
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<td class="diff-line-num new_line" data-linenumber="1495" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1495
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<pre style="margin: 0;"> <span id="LC1495" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Also, whenever "external" knowledge from a type constraint or case scrutinee is</span></span>
</pre>
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1478
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<td class="diff-line-num new_line old" data-linenumber="1496" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1478" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">integrated, we only commit that knowledge to 'GHC.HsToCore.Monad.dsl_<span class="idiff left right">delt</span>as' if</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1479" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1479
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<td class="diff-line-num new_line old" data-linenumber="1496" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1479" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the set remains inhabited. That check happens in 'locallyExtendPm<span class="idiff left right">Delt</span>as'.</span></span>
</pre>
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1496
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<pre style="margin: 0;">+<span id="LC1496" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">integrated, we only commit that knowledge to 'GHC.HsToCore.Monad.dsl_<span class="idiff left right">nabl</span>as' if</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1497" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1497
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<pre style="margin: 0;">+<span id="LC1497" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the set remains inhabited. That check happens in 'locallyExtendPm<span class="idiff left right">Nabl</span>as'.</span></span>
</pre>
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1498
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<pre style="margin: 0;"> <span id="LC1498" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span></pre>
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<br>
</li>
<li id="8d8e5922fde8bc19ffa2bc9cae6b6720abb88564">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#8d8e5922fde8bc19ffa2bc9cae6b6720abb88564"><strong>compiler/GHC/HsToCore/PmCheck/Oracle.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -4,22 +4,25 @@ Authors: George Karachalias <george.karachalias@cs.kuleuven.be></td>
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">         Ryan Scott <ryan.gl.scott@gmail.com></span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">-<span id="LC7" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE CPP, LambdaCase, TupleSections, PatternSynonyms, ViewPatterns, MultiWayIf #-}</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE CPP, LambdaCase, TupleSections, PatternSynonyms, ViewPatterns, MultiWayIf<span class="idiff left right">, ScopedTypeVariables</span> #-}</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="haskell"><span class="cd">-- | The pattern match oracle. The main export of the module are the functions</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'addPmCts' for adding facts to the oracle, and 'provideEvidence' to turn a</span></span>
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<pre style="margin: 0;">-<span id="LC11" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Delta' into a concrete evidence for an equation.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="11" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Nabla' into a concrete evidence for an equation.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- In terms of the [Lower Your Guards paper](https://dl.acm.org/doi/abs/10.1145/3408989)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- describing the implementation, this module is concerned with Sections 3.4, 3.6 and 3.7.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- E.g., it represents refinement types diretly as a normalised refinement type 'Nabla'.</span></span>
</pre>
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12
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<td class="diff-line-num new_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Oracle</span> <span class="p">(</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC18" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tracePm</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkPmId</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC15" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">initDelt</span>as</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupRefuts</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupSolution</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">initNabl</span>as</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupRefuts</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupSolution</span><span class="p">,</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC21" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">PmCt</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmTyCt</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">PmCts</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">PmVarCt</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">PmCoreCt</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">PmConCt</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">PmNotConCt</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">PmBotCt</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">PmNotBotCt</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="24" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="25" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">addPmCts</span><span class="p">,</span>           <span class="c1" style="color: #998; font-style: italic;">-- Add a constraint to the oracle.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC22" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">canDiverge</span><span class="p">,</span>         <span class="c1" style="color: #998; font-style: italic;">-- Try to add the term equality x ~ ⊥</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">provideEvidence</span></span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell">    <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -153,12 +156,7 @@ mkOneConFull arg_tys con = do</td>
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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- to the type oracle</span></span>
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<pre style="margin: 0;"> <span id="LC157" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ty_cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">substTheta</span> <span class="n" style="color: #333;">subst</span> <span class="p">(</span><span class="n" style="color: #333;">eqSpecPreds</span> <span class="n" style="color: #333;">eq_spec</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">thetas</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Figure out the types of strict constructor fields</span></span>
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<pre style="margin: 0;">-<span id="LC156" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg_is_strict</span></span>
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<pre style="margin: 0;">-<span id="LC157" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">con</span></span>
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<pre style="margin: 0;">-<span id="LC158" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">isNewTyCon</span> <span class="p">(</span><span class="n" style="color: #333;">dataConTyCon</span> <span class="n" style="color: #333;">dc</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC159" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">True</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Divergence of Newtype matches]</span></span>
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<pre style="margin: 0;">-<span id="LC160" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
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<pre style="margin: 0;">-<span id="LC161" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">isBanged</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">conLikeImplBangs</span> <span class="n" style="color: #333;">con</span></span>
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<pre style="margin: 0;">+<span id="LC159" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg_is_strict</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">isBanged</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">conLikeImplBangs</span> <span class="n" style="color: #333;">con</span></span>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell">      <span class="n" style="color: #333;">strict_arg_tys</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">filterByList</span> <span class="n" style="color: #333;">arg_is_strict</span> <span class="n" style="color: #333;">field_tys'</span></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell">  <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">ex_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">vars</span><span class="p">,</span> <span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">ty_cs</span><span class="p">,</span> <span class="n" style="color: #333;">strict_arg_tys</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC162" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -169,8 +167,8 @@ mkOneConFull arg_tys con = do</td>
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<pre style="margin: 0;"> <span id="LC167" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-------------------------------------</span></span>
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<pre style="margin: 0;"> <span id="LC168" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Composable satisfiability checks</span></span>
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<pre style="margin: 0;"> <span id="LC169" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC172" class="line" lang="haskell"><span class="cd">-- | Given a '<span class="idiff left right">Delt</span>a', check if it is compatible with new facts encoded in this</span></span>
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<pre style="margin: 0;">-<span id="LC173" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- this check. If so, return 'Just' a potentially extended '<span class="idiff left right">Delt</span>a'. Return</span></span>
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<pre style="margin: 0;">+<span id="LC170" class="line" lang="haskell"><span class="cd">-- | Given a '<span class="idiff left right">Nabl</span>a', check if it is compatible with new facts encoded in this</span></span>
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<pre style="margin: 0;">+<span id="LC171" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- this check. If so, return 'Just' a potentially extended '<span class="idiff left right">Nabl</span>a'. Return</span></span>
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<pre style="margin: 0;"> <span id="LC172" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Nothing' if unsatisfiable.</span></span>
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<pre style="margin: 0;"> <span id="LC173" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC174" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- There are three essential SatisfiabilityChecks:</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -179,22 +177,22 @@ mkOneConFull arg_tys con = do</td>
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<pre style="margin: 0;"> <span id="LC177" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   3. 'tysAreNonVoid', checks if the given types have an inhabitant</span></span>
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<pre style="margin: 0;"> <span id="LC178" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Functions like 'pmIsSatisfiable', 'nonVoid' and 'testInhabited' plug these</span></span>
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<pre style="margin: 0;"> <span id="LC179" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- together as they see fit.</span></span>
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<pre style="margin: 0;">-<span id="LC182" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC180" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC184" class="line" lang="haskell"><span class="cd">-- | Check the given '<span class="idiff left right">Delt</span>a' for satisfiability by the given</span></span>
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<pre style="margin: 0;">-<span id="LC185" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'SatisfiabilityCheck'. Return 'Just' a new, potentially extended, '<span class="idiff left right">Delt</span>a' if</span></span>
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<pre style="margin: 0;">+<span id="LC182" class="line" lang="haskell"><span class="cd">-- | Check the given '<span class="idiff left right">Nabl</span>a' for satisfiability by the given</span></span>
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183
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<pre style="margin: 0;">+<span id="LC183" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'SatisfiabilityCheck'. Return 'Just' a new, potentially extended, '<span class="idiff left right">Nabl</span>a' if</span></span>
</pre>
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186
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<pre style="margin: 0;"> <span id="LC184" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- successful, and 'Nothing' otherwise.</span></span>
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187
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<pre style="margin: 0;">-<span id="LC187" class="line" lang="haskell"><span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">SatisfiabilityCheck</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC188" class="line" lang="haskell"><span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">SC</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">chk</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">chk</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC185" class="line" lang="haskell"><span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">SatisfiabilityCheck</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC186" class="line" lang="haskell"><span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">SC</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">chk</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">chk</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span></span>
</pre>
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189
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<pre style="margin: 0;"> <span id="LC187" class="line" lang="haskell"></span>
</pre>
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190
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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell"><span class="cd">-- | Allowing easy composition of 'SatisfiabilityCheck's.</span></span>
</pre>
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191
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Semigroup</span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
192
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<pre style="margin: 0;"> <span id="LC190" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- This is @a >=> b@ from MaybeT DsM</span></span>
</pre>
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193
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;"><></span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="n" style="color: #333;">c</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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195
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<td class="diff-line-num new_line old" data-linenumber="193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC195" class="line" lang="haskell">      <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="196" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC193" class="line" lang="haskell">      <span class="n" style="color: #333;">c</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
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196
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<pre style="margin: 0;"> <span id="LC194" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>     <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC197" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left">delta'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a'</span></span>
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<pre style="margin: 0;">+<span id="LC195" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left">nabla'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a'</span></span>
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monoid</span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- We only need this because of mconcat (which we use in place of sconcat,</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -213,13 +211,13 @@ instance Monoid SatisfiabilityCheck where</td>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- discussed in GADTs Meet Their Match. For an explanation of what role they</span></span>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- serve, see @Note [Strict argument type constraints]@.</span></span>
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<pre style="margin: 0;"> <span id="LC213" class="line" lang="haskell"><span class="n" style="color: #333;">pmIsSatisfiable</span></span>
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<pre style="margin: 0;">-<span id="LC216" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span>       <span class="c1" style="color: #998; font-style: italic;">-- ^ The ambient term and type constraints</span></span>
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<pre style="margin: 0;">+<span id="LC214" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span>       <span class="c1" style="color: #998; font-style: italic;">-- ^ The ambient term and type constraints</span></span>
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<pre style="margin: 0;"> <span id="LC215" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">--   (known to be satisfiable).</span></span>
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<pre style="margin: 0;"> <span id="LC216" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bag</span> <span class="kt" style="color: #458; font-weight: 600;">TyCt</span>    <span class="c1" style="color: #998; font-style: italic;">-- ^ The new type constraints.</span></span>
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<pre style="margin: 0;"> <span id="LC217" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bag</span> <span class="kt" style="color: #458; font-weight: 600;">TmCt</span>    <span class="c1" style="color: #998; font-style: italic;">-- ^ The new term constraints.</span></span>
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<pre style="margin: 0;"> <span id="LC218" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span>      <span class="c1" style="color: #998; font-style: italic;">-- ^ The strict argument types.</span></span>
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<pre style="margin: 0;">-<span id="LC221" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC222" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- ^ @'Just' <span class="idiff left right">delta@ if the constraints (@delt</span>a@) are</span></span>
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<pre style="margin: 0;">+<span id="LC219" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC220" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- ^ @'Just' <span class="idiff left right">nabla@ if the constraints (@nabl</span>a@) are</span></span>
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- satisfiable, and each strict argument type is inhabitable.</span></span>
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- 'Nothing' otherwise.</span></span>
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<pre style="margin: 0;"> <span id="LC223" class="line" lang="haskell"><span class="n" style="color: #333;">pmIsSatisfiable</span> <span class="n" style="color: #333;">amb_cs</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="n" style="color: #333;">new_tm_cs</span> <span class="n" style="color: #333;">strict_arg_tys</span> <span class="o" style="font-weight: 600;">=</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -492,21 +490,21 @@ tyOracle (TySt inert) cts</td>
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<pre style="margin: 0;"> <span id="LC490" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pprPanic</span> <span class="s" style="color: #d14;">"tyOracle"</span> <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">pprErrMsgBagWithLoc</span> <span class="n" style="color: #333;">errs</span><span class="p">)</span> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC491" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC492" class="line" lang="haskell"><span class="cd">-- | A 'SatisfiabilityCheck' based on new type-level constraints.</span></span>
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<pre style="margin: 0;">-<span id="LC495" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns a new '<span class="idiff left right">Delt</span>a' if the new constraints are compatible with existing</span></span>
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<pre style="margin: 0;">+<span id="LC493" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns a new '<span class="idiff left right">Nabl</span>a' if the new constraints are compatible with existing</span></span>
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<pre style="margin: 0;"> <span id="LC494" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ones. Doesn't bother calling out to the type oracle if the bag of new type</span></span>
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<pre style="margin: 0;"> <span id="LC495" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- constraints was empty. Will only recheck 'PossibleMatches' in the term oracle</span></span>
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<pre style="margin: 0;"> <span id="LC496" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- for emptiness if the first argument is 'True'.</span></span>
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<pre style="margin: 0;"> <span id="LC497" class="line" lang="haskell"><span class="n" style="color: #333;">tyIsSatisfiable</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bag</span> <span class="kt" style="color: #458; font-weight: 600;">PredType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span></span>
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<pre style="margin: 0;">-<span id="LC500" class="line" lang="haskell"><span class="n" style="color: #333;">tyIsSatisfiable</span> <span class="n" style="color: #333;">recheck_complete_sets</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC498" class="line" lang="haskell"><span class="n" style="color: #333;">tyIsSatisfiable</span> <span class="n" style="color: #333;">recheck_complete_sets</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;"> <span id="LC499" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">isEmptyBag</span> <span class="n" style="color: #333;">new_ty_cs</span></span>
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<pre style="margin: 0;">-<span id="LC502" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC503" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">tyOracle</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta_ty_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span><span class="p">)</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
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500
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<pre style="margin: 0;">+<span id="LC500" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="504" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="501" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
501
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<pre style="margin: 0;">+<span id="LC501" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">tyOracle</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla_ty_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span><span class="p">)</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
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504
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<td class="diff-line-num new_line" data-linenumber="502" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
502
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<pre style="margin: 0;"> <span id="LC502" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>                   <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
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505
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<td class="diff-line-num new_line" data-linenumber="503" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
503
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<pre style="margin: 0;"> <span id="LC503" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">ty_st'</span>               <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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506
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<td class="diff-line-num new_line old" data-linenumber="504" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC506" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;"><span class="idiff left">delta'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_ty_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty_st'</span> <span class="p">}</span></span>
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504
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<pre style="margin: 0;">+<span id="LC504" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;"><span class="idiff left">nabla'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_ty_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty_st'</span> <span class="p">}</span></span>
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507
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505
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<pre style="margin: 0;"> <span id="LC505" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">recheck_complete_sets</span></span>
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508
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<td class="diff-line-num new_line old" data-linenumber="506" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC508" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">ensureAll<span class="idiff left">PossibleMatchesInhabited</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a'</span></span>
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509
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<pre style="margin: 0;">-<span id="LC509" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a'</span><span class="p">)</span></span>
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506
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<pre style="margin: 0;">+<span id="LC506" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">ensureAll<span class="idiff left">Inhabited</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a'</span></span>
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507
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<pre style="margin: 0;">+<span id="LC507" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a'</span><span class="p">)</span></span>
</pre>
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510
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508
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<pre style="margin: 0;"> <span id="LC508" class="line" lang="haskell"></span>
</pre>
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511
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<pre style="margin: 0;"> <span id="LC509" class="line" lang="haskell"></span>
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512
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<pre style="margin: 0;"> <span id="LC510" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- *********************************************************************</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="616" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -618,21 +616,46 @@ warning messages (which can be alleviated by someone with enough dedication).</td>
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618
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<pre style="margin: 0;"> <span id="LC616" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;"> <span id="LC617" class="line" lang="haskell"></span>
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620
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618
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<pre style="margin: 0;"> <span id="LC618" class="line" lang="haskell"><span class="cd">-- | A 'SatisfiabilityCheck' based on new term-level constraints.</span></span>
</pre>
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621
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<td class="diff-line-num new_line old" data-linenumber="619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC621" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns a new '<span class="idiff left right">Delt</span>a' if the new constraints are compatible with existing</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC619" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns a new '<span class="idiff left right">Nabl</span>a' if the new constraints are compatible with existing</span></span>
</pre>
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622
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620
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<pre style="margin: 0;"> <span id="LC620" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ones.</span></span>
</pre>
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623
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<pre style="margin: 0;"> <span id="LC621" class="line" lang="haskell"><span class="n" style="color: #333;">tmIsSatisfiable</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bag</span> <span class="kt" style="color: #458; font-weight: 600;">TmCt</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span></span>
</pre>
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624
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<pre style="margin: 0;">-<span id="LC624" class="line" lang="haskell"><span class="n" style="color: #333;">tmIsSatisfiable</span> <span class="n" style="color: #333;">new_tm_cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">runMaybeT</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foldlM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addTmCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">new_tm_cs</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC622" class="line" lang="haskell"><span class="n" style="color: #333;">tmIsSatisfiable</span> <span class="n" style="color: #333;">new_tm_cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">runMaybeT</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foldlM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addTmCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">new_tm_cs</span></span>
</pre>
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625
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<pre style="margin: 0;"> <span id="LC623" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;"> <span id="LC624" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-----------------------</span></span>
</pre>
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627
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<pre style="margin: 0;"> <span id="LC625" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Looking up VarInfo</span></span>
</pre>
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628
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626
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<pre style="margin: 0;"> <span id="LC626" class="line" lang="haskell"></span>
</pre>
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629
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<pre style="margin: 0;"> <span id="LC627" class="line" lang="haskell"><span class="n" style="color: #333;">emptyVarInfo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC630" class="line" lang="haskell"><span class="n" style="color: #333;">emptyVarInfo</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="n" style="color: #333;">emptyPmAltConSet</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC628" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We could initialise @bot@ to @Just False@ in case of an unlifted type here,</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC629" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- but it's cleaner to let the user of the constraint solver take care of this.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC630" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- After all, there are also strict fields, the unliftedness of which isn't</span></span>
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<pre style="margin: 0;">+<span id="LC631" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- evident in the type. So treating unlifted types here would never be</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC632" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- sufficient anyway.</span></span>
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<pre style="margin: 0;">+<span id="LC633" class="line" lang="haskell"><span class="n" style="color: #333;">emptyVarInfo</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="n" style="color: #333;">emptyPmAltConSet</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span></span>
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631
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634
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<pre style="margin: 0;"> <span id="LC634" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC635" class="line" lang="haskell"><span class="n" style="color: #333;">lookupVarInfo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TmState</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span></span>
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<pre style="margin: 0;"> <span id="LC636" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- (lookupVarInfo tms x) tells what we know about 'x'</span></span>
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<pre style="margin: 0;"> <span id="LC637" class="line" lang="haskell"><span class="n" style="color: #333;">lookupVarInfo</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fromMaybe</span> <span class="p">(</span><span class="n" style="color: #333;">emptyVarInfo</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">lookupSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
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638
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<pre style="margin: 0;"> <span id="LC638" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC639" class="line" lang="haskell"><span class="cd">-- | Like @lookupVarInfo ts x@, but @lookupVarInfo ts x = (y, vi)@ also looks</span></span>
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<pre style="margin: 0;">+<span id="LC640" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- through newtype constructors. We have @x ~ N1 (... (Nk y))@ such that the</span></span>
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<pre style="margin: 0;">+<span id="LC641" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- returned @y@ doesn't have a positive newtype constructor constraint</span></span>
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<pre style="margin: 0;">+<span id="LC642" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- associated with it (yet). The 'VarInfo' returned is that of @y@'s</span></span>
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<pre style="margin: 0;">+<span id="LC643" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- representative.</span></span>
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<pre style="margin: 0;">+<span id="LC644" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">+<span id="LC645" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Careful, this means that @idType x@ might be different to @idType y@, even</span></span>
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<pre style="margin: 0;">+<span id="LC646" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- modulo type normalisation!</span></span>
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<pre style="margin: 0;">+<span id="LC647" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;">+<span id="LC648" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See also Note [Coverage checking Newtype matches].</span></span>
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<pre style="margin: 0;">+<span id="LC649" class="line" lang="haskell"><span class="n" style="color: #333;">lookupVarInfoNT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TmState</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span><span class="p">)</span></span>
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650
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<pre style="margin: 0;">+<span id="LC650" class="line" lang="haskell"><span class="n" style="color: #333;">lookupVarInfoNT</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">lookupVarInfo</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">x</span> <span class="kr" style="font-weight: 600;">of</span></span>
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651
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<pre style="margin: 0;">+<span id="LC651" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">VI</span><span class="p">{</span> <span class="n" style="color: #333;">vi_pos</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">as_newtype</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">y</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">lookupVarInfoNT</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">y</span></span>
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652
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<pre style="margin: 0;">+<span id="LC652" class="line" lang="haskell">  <span class="n" style="color: #333;">res</span>                                 <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;">res</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="653" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
653
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<pre style="margin: 0;">+<span id="LC653" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="diff-line-num new new_line" data-linenumber="654" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
654
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<pre style="margin: 0;">+<span id="LC654" class="line" lang="haskell">    <span class="n" style="color: #333;">as_newtype</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">listToMaybe</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">mapMaybe</span> <span class="n" style="color: #333;">go</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="655" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
655
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<pre style="margin: 0;">+<span id="LC655" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">),</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">])</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="656" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
656
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<pre style="margin: 0;">+<span id="LC656" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isNewDataCon</span> <span class="n" style="color: #333;">dc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="657" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
657
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<pre style="margin: 0;">+<span id="LC657" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span>                <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
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658
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<pre style="margin: 0;">+<span id="LC658" class="line" lang="haskell"></span>
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636
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<td class="diff-line-num new_line" data-linenumber="659" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
659
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<pre style="margin: 0;"> <span id="LC659" class="line" lang="haskell"><span class="n" style="color: #333;">initPossibleMatches</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyState</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span></span>
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<td class="diff-line-num old_line" data-linenumber="637" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
637
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<td class="diff-line-num new_line" data-linenumber="660" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
660
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<pre style="margin: 0;"> <span id="LC660" class="line" lang="haskell"><span class="n" style="color: #333;">initPossibleMatches</span> <span class="n" style="color: #333;">ty_st</span> <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">VI</span><span class="p">{</span> <span class="n" style="color: #333;">vi_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span><span class="p">,</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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638
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<td class="diff-line-num new_line" data-linenumber="661" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
661
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<pre style="margin: 0;"> <span id="LC661" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- New evidence might lead to refined info on ty, in turn leading to discovery</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="669" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="692" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -669,13 +692,6 @@ initPossibleMatches ty_st vi@VI{ vi_ty = ty, vi_cache = NoPM } = do</td>
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669
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<td class="diff-line-num new_line" data-linenumber="692" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
692
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<pre style="margin: 0;"> <span id="LC692" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">cs</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi</span><span class="p">{</span> <span class="n" style="color: #333;">vi_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty'</span><span class="p">,</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">PM</span> <span class="p">(</span><span class="n" style="color: #333;">mkUniqDSet</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">cs</span><span class="p">)</span> <span class="p">}</span></span>
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670
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<td class="diff-line-num new_line" data-linenumber="693" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
693
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<pre style="margin: 0;"> <span id="LC693" class="line" lang="haskell"><span class="n" style="color: #333;">initPossibleMatches</span> <span class="kr" style="font-weight: 600;">_</span>     <span class="n" style="color: #333;">vi</span>                                   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi</span></span>
</pre>
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671
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<td class="diff-line-num new_line" data-linenumber="694" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
694
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<pre style="margin: 0;"> <span id="LC694" class="line" lang="haskell"></span>
</pre>
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672
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<td class="diff-line-num new_line old" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC672" class="line" lang="haskell"><span class="cd">-- | @initLookupVarInfo ts x@ looks up the 'VarInfo' for @x@ in @ts@ and tries</span></span>
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673
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<td class="diff-line-num new_line old" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC673" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- to initialise the 'vi_cache' component if it was 'NoPM' through</span></span>
</pre>
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674
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<td class="diff-line-num new_line old" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC674" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'initPossibleMatches'.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="675" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
675
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<td class="diff-line-num new_line old" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC675" class="line" lang="haskell"><span class="n" style="color: #333;">initLookupVarInfo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="676" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
676
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<td class="diff-line-num new_line old" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC676" class="line" lang="haskell"><span class="n" style="color: #333;">initLookupVarInfo</span> <span class="kt" style="color: #458; font-weight: 600;">MkDelta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="p">,</span> <span class="n" style="color: #333;">delta_ty_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty_st</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="677" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
677
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<pre style="margin: 0;">-<span id="LC677" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">initPossibleMatches</span> <span class="n" style="color: #333;">ty_st</span> <span class="p">(</span><span class="n" style="color: #333;">lookupVarInfo</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
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678
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<td class="diff-line-num new_line old" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC678" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="679" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
679
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695
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<pre style="margin: 0;"> <span id="LC695" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [COMPLETE sets on data families]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="680" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
680
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696
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<pre style="margin: 0;"> <span id="LC696" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="681" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
681
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<td class="diff-line-num new_line" data-linenumber="697" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
697
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<pre style="margin: 0;"> <span id="LC697" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">User-defined COMPLETE sets involving data families are attached to the family</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="720" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -720,22 +736,11 @@ TyCon, so tc_rep = tc_fam afterwards.</td>
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720
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<td class="diff-line-num new_line" data-linenumber="736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
736
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<pre style="margin: 0;"> <span id="LC736" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="721" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
721
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<td class="diff-line-num new_line" data-linenumber="737" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
737
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<pre style="margin: 0;"> <span id="LC737" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="722" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
722
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<td class="diff-line-num new_line" data-linenumber="738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
738
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<pre style="margin: 0;"> <span id="LC738" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">------------------------------------------------</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
723
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<td class="diff-line-num new_line old" data-linenumber="739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC723" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Exported utility functions querying '<span class="idiff left right">Delt</span>a'</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
739
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<pre style="margin: 0;">+<span id="LC739" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Exported utility functions querying '<span class="idiff left right">Nabl</span>a'</span></span>
</pre>
</td>
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724
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<td class="diff-line-num new_line" data-linenumber="740" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
740
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC740" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
725
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC725" class="line" lang="haskell"><span class="cd">-- | Check whether adding a constraint @x ~ BOT@ to 'Delta' succeeds.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
726
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC726" class="line" lang="haskell"><span class="n" style="color: #333;">canDiverge</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
727
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC727" class="line" lang="haskell"><span class="n" style="color: #333;">canDiverge</span> <span class="n" style="color: #333;">delta</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MkDelta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="728" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
728
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC728" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">pos</span> <span class="n" style="color: #333;">neg</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupVarInfo</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="729" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
729
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC729" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">isEmptyPmAltConSet</span> <span class="n" style="color: #333;">neg</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">all</span> <span class="n" style="color: #333;">pos_can_diverge</span> <span class="n" style="color: #333;">pos</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
730
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC730" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
731
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC731" class="line" lang="haskell">    <span class="n" style="color: #333;">pos_can_diverge</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">),</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">])</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="732" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
732
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC732" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [Divergence of Newtype matches]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
733
</td>
<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC733" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isNewTyCon</span> <span class="p">(</span><span class="n" style="color: #333;">dataConTyCon</span> <span class="n" style="color: #333;">dc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">canDiverge</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
734
</td>
<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC734" class="line" lang="haskell">    <span class="n" style="color: #333;">pos_can_diverge</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
735
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC735" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
736
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<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC736" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Divergence of Newtype matches]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="737" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
737
</td>
<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC737" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
738
</td>
<td class="diff-line-num new_line old" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC738" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Newtypes behave rather strangely when compared to ordinary DataCons. In a</span></span>
</pre>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
741
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<pre style="margin: 0;">+<span id="LC741" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Coverage checking Newtype matches]</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
742
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<pre style="margin: 0;">+<span id="LC742" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="743" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
743
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<pre style="margin: 0;">+<span id="LC743" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Newtypes have quite peculiar match semantics compared to ordinary DataCons. In a</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
739
</td>
<td class="diff-line-num new_line" data-linenumber="744" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
744
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<pre style="margin: 0;"> <span id="LC744" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">pattern-match, they behave like a irrefutable (lazy) match, but for inhabitation</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="740" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
740
</td>
<td class="diff-line-num new_line" data-linenumber="745" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
745
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC745" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">testing purposes (e.g. at construction sites), they behave rather like a DataCon</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
741
</td>
<td class="diff-line-num new_line" data-linenumber="746" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
746
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC746" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">with a *strict* field, because they don't contribute their own bottom and are</span></span>
</pre>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -750,19 +755,21 @@ This distinction becomes apparent in #17248:</td>
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<pre style="margin: 0;"> <span id="LC755" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC756" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">If we treat Newtypes like we treat regular DataCons, we would mark the third</span></span>
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<pre style="margin: 0;"> <span id="LC757" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">clause as redundant, which clearly is unsound. The solution:</span></span>
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<pre style="margin: 0;">-<span id="LC753" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">1. When compiling the PmCon guard in 'pmCompileTree', don't add a @DivergeIf@,</span></span>
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<pre style="margin: 0;">-<span id="LC754" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   because the match will never diverge.</span></span>
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<pre style="margin: 0;">-<span id="LC755" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">2. Regard @T2 x@ as 'canDiverge' iff @x@ 'canDiverge'. E.g. @T2 x ~ _|_@ <=></span></span>
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<pre style="margin: 0;">-<span id="LC756" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   @x ~ _|_@. This way, the third clause will still be marked as inaccessible</span></span>
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<pre style="margin: 0;">-<span id="LC757" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   RHS instead of redundant.</span></span>
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<pre style="margin: 0;">-<span id="LC758" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">3. When testing for inhabitants ('mkOneConFull'), we regard the newtype field as</span></span>
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<pre style="margin: 0;">-<span id="LC759" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   strict, so that the newtype is inhabited iff its field is inhabited.</span></span>
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<pre style="margin: 0;">+<span id="LC758" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">1. 'isPmAltConMatchStrict' returns False for newtypes, indicating that a</span></span>
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<pre style="margin: 0;">+<span id="LC759" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   newtype match is lazy.</span></span>
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<pre style="margin: 0;">+<span id="LC760" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">2. When we find @x ~ T2 y@, transfer all constraints on @x@ (which involve @⊥@)</span></span>
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<pre style="margin: 0;">+<span id="LC761" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   to @y@, similar to what 'equate' does, and don't add a @x /~ ⊥@ constraint.</span></span>
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<pre style="margin: 0;">+<span id="LC762" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   This way, the third clause will still be marked as inaccessible RHS instead</span></span>
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<pre style="margin: 0;">+<span id="LC763" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">   of redundant. This is ensured by calling 'lookupVarInfoNT'.</span></span>
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<pre style="margin: 0;">+<span id="LC764" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">3. Immediately reject when we find @x /~ T2@.</span></span>
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<pre style="margin: 0;">+<span id="LC765" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Handling of Newtypes is also described in the Appendix of the Lower Your Guards paper,</span></span>
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<pre style="margin: 0;">+<span id="LC766" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">where you can find the solution in a perhaps more digestible format.</span></span>
</pre>
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760
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767
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<pre style="margin: 0;"> <span id="LC767" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
761
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<td class="diff-line-num new_line" data-linenumber="768" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
768
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<pre style="margin: 0;"> <span id="LC768" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
762
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<td class="diff-line-num new_line old" data-linenumber="769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC762" class="line" lang="haskell"><span class="n" style="color: #333;">lookupRefuts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Uniquable</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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769
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<pre style="margin: 0;">+<span id="LC769" class="line" lang="haskell"><span class="n" style="color: #333;">lookupRefuts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Uniquable</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">]</span></span>
</pre>
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763
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<td class="diff-line-num new_line" data-linenumber="770" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
770
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<pre style="margin: 0;"> <span id="LC770" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Unfortunately we need the extra bit of polymorphism and the unfortunate</span></span>
</pre>
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764
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<td class="diff-line-num new_line" data-linenumber="771" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
771
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<pre style="margin: 0;"> <span id="LC771" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- duplication of lookupVarInfo here.</span></span>
</pre>
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765
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<td class="diff-line-num new_line old" data-linenumber="772" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC765" class="line" lang="haskell"><span class="n" style="color: #333;">lookupRefuts</span> <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SDIE</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">}</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span></span>
</pre>
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772
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<pre style="margin: 0;">+<span id="LC772" class="line" lang="haskell"><span class="n" style="color: #333;">lookupRefuts</span> <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SDIE</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">}</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">=</span></span>
</pre>
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766
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773
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<pre style="margin: 0;"> <span id="LC773" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">lookupUDFM_Directly</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">getUnique</span> <span class="n" style="color: #333;">k</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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767
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<td class="diff-line-num new_line" data-linenumber="774" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
774
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<pre style="margin: 0;"> <span id="LC774" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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768
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<td class="diff-line-num new_line" data-linenumber="775" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
775
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<pre style="margin: 0;"> <span id="LC775" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Indirect</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pmAltConSetElems</span> <span class="p">(</span><span class="n" style="color: #333;">vi_neg</span> <span class="p">(</span><span class="n" style="color: #333;">lookupVarInfo</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">y</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="779" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -772,10 +779,10 @@ isDataConSolution :: (PmAltCon, [TyVar], [Id]) -> Bool</td>
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772
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779
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<pre style="margin: 0;"> <span id="LC779" class="line" lang="haskell"><span class="n" style="color: #333;">isDataConSolution</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">),</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
</pre>
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773
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<td class="diff-line-num new_line" data-linenumber="780" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
780
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<pre style="margin: 0;"> <span id="LC780" class="line" lang="haskell"><span class="n" style="color: #333;">isDataConSolution</span> <span class="kr" style="font-weight: 600;">_</span>                                    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
</pre>
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774
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781
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<pre style="margin: 0;"> <span id="LC781" class="line" lang="haskell"></span>
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775
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<pre style="margin: 0;">-<span id="LC775" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @lookupSolution <span class="idiff left right">delt</span>a x@ picks a single solution ('vi_pos') of @x@ from</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="776" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="782" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
782
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<pre style="margin: 0;">+<span id="LC782" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @lookupSolution <span class="idiff left right">nabl</span>a x@ picks a single solution ('vi_pos') of @x@ from</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="776" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
776
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<td class="diff-line-num new_line" data-linenumber="783" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
783
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<pre style="margin: 0;"> <span id="LC783" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- possibly many, preferring 'RealDataCon' solutions whenever possible.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="777" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
777
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<td class="diff-line-num new_line old" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC777" class="line" lang="haskell"><span class="n" style="color: #333;">lookupSolution</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyVar</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">])</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="778" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
778
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<td class="diff-line-num new_line old" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC778" class="line" lang="haskell"><span class="n" style="color: #333;">lookupSolution</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">case</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi_pos</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">lookupVarInfo</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">delta_tm_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span><span class="p">)</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="779" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="784" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
784
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<pre style="margin: 0;">+<span id="LC784" class="line" lang="haskell"><span class="n" style="color: #333;">lookupSolution</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyVar</span><span class="p">],</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="779" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="785" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
785
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<pre style="margin: 0;">+<span id="LC785" class="line" lang="haskell"><span class="n" style="color: #333;">lookupSolution</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">case</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi_pos</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">lookupVarInfo</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nabla_tm_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span><span class="p">)</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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779
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<td class="diff-line-num new_line" data-linenumber="786" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
786
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<pre style="margin: 0;"> <span id="LC786" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">[]</span>                                         <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="780" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
780
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<td class="diff-line-num new_line" data-linenumber="787" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
787
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<pre style="margin: 0;"> <span id="LC787" class="line" lang="haskell">  <span class="n" style="color: #333;">pos</span></span>
</pre>
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781
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<td class="diff-line-num new_line" data-linenumber="788" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
788
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<pre style="margin: 0;"> <span id="LC788" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">sol</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">find</span> <span class="n" style="color: #333;">isDataConSolution</span> <span class="n" style="color: #333;">pos</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">sol</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="842" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -842,13 +849,13 @@ instance Outputable PmCt where</td>
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842
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<td class="diff-line-num new_line" data-linenumber="849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
849
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<pre style="margin: 0;"> <span id="LC849" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmTyCt</span> <span class="n" style="color: #333;">pred_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">pred_ty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="843" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
843
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<td class="diff-line-num new_line" data-linenumber="850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
850
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<pre style="margin: 0;"> <span id="LC850" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmTmCt</span> <span class="n" style="color: #333;">tm_ct</span><span class="p">)</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">tm_ct</span></span>
</pre>
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844
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<td class="diff-line-num new_line" data-linenumber="851" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
851
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<pre style="margin: 0;"> <span id="LC851" class="line" lang="haskell"></span>
</pre>
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845
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<td class="diff-line-num new_line old" data-linenumber="852" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC845" class="line" lang="haskell"><span class="cd">-- | Adds new constraints to '<span class="idiff left right">Delt</span>a' and returns 'Nothing' if that leads to a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="846" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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852
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<pre style="margin: 0;">+<span id="LC852" class="line" lang="haskell"><span class="cd">-- | Adds new constraints to '<span class="idiff left right">Nabl</span>a' and returns 'Nothing' if that leads to a</span></span>
</pre>
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846
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853
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<pre style="margin: 0;"> <span id="LC853" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- contradiction.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="847" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
847
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<td class="diff-line-num new_line old" data-linenumber="854" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC847" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmCts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="848" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="854" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
854
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<pre style="margin: 0;">+<span id="LC854" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmCts</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">)</span></span>
</pre>
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848
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855
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<pre style="margin: 0;"> <span id="LC855" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [TmState invariants].</span></span>
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<td class="diff-line-num old old_line" data-linenumber="849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
849
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<td class="diff-line-num new_line old" data-linenumber="856" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC849" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">cts</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<td class="diff-line-num new old_line" data-linenumber="850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="856" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
856
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<pre style="margin: 0;">+<span id="LC856" class="line" lang="haskell"><span class="n" style="color: #333;">addPmCts</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">cts</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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850
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<td class="diff-line-num new_line" data-linenumber="857" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
857
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<pre style="margin: 0;"> <span id="LC857" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">ty_cts</span><span class="p">,</span> <span class="n" style="color: #333;">tm_cts</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partitionTyTmCts</span> <span class="n" style="color: #333;">cts</span></span>
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851
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<td class="diff-line-num new_line old" data-linenumber="858" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC851" class="line" lang="haskell">  <span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mconcat</span></span>
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<td class="diff-line-num new old_line" data-linenumber="852" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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858
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<pre style="margin: 0;">+<span id="LC858" class="line" lang="haskell">  <span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mconcat</span></span>
</pre>
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852
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<td class="diff-line-num new_line" data-linenumber="859" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
859
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<pre style="margin: 0;"> <span id="LC859" class="line" lang="haskell">    <span class="p">[</span> <span class="n" style="color: #333;">tyIsSatisfiable</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">ty_cts</span><span class="p">)</span></span>
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<td class="diff-line-num old_line" data-linenumber="853" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
853
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<td class="diff-line-num new_line" data-linenumber="860" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
860
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<pre style="margin: 0;"> <span id="LC860" class="line" lang="haskell">    <span class="p">,</span> <span class="n" style="color: #333;">tmIsSatisfiable</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">tm_cts</span><span class="p">)</span></span>
</pre>
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854
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<td class="diff-line-num new_line" data-linenumber="861" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
861
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<pre style="margin: 0;"> <span id="LC861" class="line" lang="haskell">    <span class="p">]</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="861" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="868" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -861,44 +868,40 @@ partitionTyTmCts = partitionEithers . map to_either . toList</td>
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861
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868
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<pre style="margin: 0;"> <span id="LC868" class="line" lang="haskell"></span>
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862
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869
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<pre style="margin: 0;"> <span id="LC869" class="line" lang="haskell"><span class="cd">-- | Adds a single term constraint by dispatching to the various term oracle</span></span>
</pre>
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863
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870
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<pre style="margin: 0;"> <span id="LC870" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- functions.</span></span>
</pre>
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864
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<pre style="margin: 0;">-<span id="LC864" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmCt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="865" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
865
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<td class="diff-line-num new_line old" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC865" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">y</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">            </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="866" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
866
</td>
<td class="diff-line-num new_line old" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC866" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmCoreCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">e</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">           </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addCoreCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="867" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
867
</td>
<td class="diff-line-num new_line old" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC867" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tvs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">args</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="868" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
868
</td>
<td class="diff-line-num new_line old" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC868" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">       </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="869" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
869
</td>
<td class="diff-line-num new_line old" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC869" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">              </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="870" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
870
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<td class="diff-line-num new_line old" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC870" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmNotBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">           </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addNotBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
871
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<pre style="margin: 0;">+<span id="LC871" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmCt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="872" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
872
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<pre style="margin: 0;">+<span id="LC872" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">y</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">            </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="873" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
873
</td>
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<pre style="margin: 0;">+<span id="LC873" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmCoreCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">e</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">           </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addCoreCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="874" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
874
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<pre style="margin: 0;">+<span id="LC874" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tvs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">args</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="871" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="875" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
875
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<pre style="margin: 0;">+<span id="LC875" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">       </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span></span>
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<pre style="margin: 0;">+<span id="LC876" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">              </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC877" class="line" lang="haskell"><span class="n" style="color: #333;">addTmCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmNotBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff">           </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addNotBotCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span></span>
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871
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878
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<pre style="margin: 0;"> <span id="LC878" class="line" lang="haskell"></span>
</pre>
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872
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<pre style="margin: 0;"> <span id="LC879" class="line" lang="haskell"><span class="cd">-- | Adds the constraint @x ~ ⊥@, e.g. that evaluation of a particular 'Id' @x@</span></span>
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873
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<pre style="margin: 0;">-<span id="LC873" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- surely diverges.</span></span>
</pre>
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874
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<pre style="margin: 0;">-<span id="LC874" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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875
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<pre style="margin: 0;">-<span id="LC875" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Only that's a lie, because we don't currently preserve the fact in 'Delta'</span></span>
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876
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<pre style="margin: 0;">-<span id="LC876" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- after we checked compatibility. See Note [Preserving TmBotCt]</span></span>
</pre>
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877
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<pre style="margin: 0;">-<span id="LC877" class="line" lang="haskell"><span class="n" style="color: #333;">addBotCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span></span>
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<pre style="margin: 0;">-<span id="LC878" class="line" lang="haskell"><span class="n" style="color: #333;">addBotCt</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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879
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<pre style="margin: 0;">-<span id="LC879" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">canDiverge</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">delta</span></span>
</pre>
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880
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<pre style="margin: 0;">-<span id="LC880" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mzero</span></span>
</pre>
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881
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<pre style="margin: 0;">-<span id="LC881" class="line" lang="haskell"></span>
</pre>
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882
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<pre style="margin: 0;">-<span id="LC882" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Preserving TmBotCt]</span></span>
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883
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<pre style="margin: 0;">-<span id="LC883" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
</pre>
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884
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<pre style="margin: 0;">-<span id="LC884" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Whenever we add a new constraint to 'Delta' via 'addTmCt', we want to check it</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC885" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">for compatibility with existing constraints in the modeled indert set and then</span></span>
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<pre style="margin: 0;">-<span id="LC886" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">add it the constraint itself to the inert set.</span></span>
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<pre style="margin: 0;">-<span id="LC887" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">For a 'TmBotCt' @x ~ ⊥@ we don't actually add it to the inert set after checking</span></span>
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<pre style="margin: 0;">-<span id="LC888" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">it for compatibility with 'Delta'.</span></span>
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<pre style="margin: 0;">-<span id="LC889" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">And that is fine in the context of the patter-match checking algorithm!</span></span>
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<pre style="margin: 0;">-<span id="LC890" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Whenever we add a 'TmBotCt' (we only do so for checking divergence of bang</span></span>
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<pre style="margin: 0;">-<span id="LC891" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">patterns and strict constructor matches), we don't add any more constraints to</span></span>
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<pre style="margin: 0;">-<span id="LC892" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the inert set afterwards, so we don't need to preserve it.</span></span>
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<pre style="margin: 0;">-<span id="LC893" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
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<pre style="margin: 0;">+<span id="LC880" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- surely diverges. Quite similar to 'addConCt', only that it only cares about</span></span>
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<pre style="margin: 0;">+<span id="LC881" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ⊥.</span></span>
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<pre style="margin: 0;">+<span id="LC882" class="line" lang="haskell"><span class="n" style="color: #333;">addBotCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span></span>
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<pre style="margin: 0;">+<span id="LC883" class="line" lang="haskell"><span class="n" style="color: #333;">addBotCt</span> <span class="n" style="color: #333;">nabla</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MkNabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC884" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="p">{</span> <span class="n" style="color: #333;">vi_bot</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bot</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupVarInfoNT</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_tm_st</span> <span class="n" style="color: #333;">nabla</span><span class="p">)</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;">+<span id="LC885" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">bot</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC886" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">mzero</span>      <span class="c1" style="color: #998; font-style: italic;">-- There was x /~ ⊥. Contradiction!</span></span>
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<pre style="margin: 0;">+<span id="LC887" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">IsBot</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">nabla</span> <span class="c1" style="color: #998; font-style: italic;">-- There already is x ~ ⊥. Nothing left to do</span></span>
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<pre style="margin: 0;">+<span id="LC888" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span>         <span class="c1" style="color: #998; font-style: italic;">-- We add x ~ ⊥</span></span>
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<pre style="margin: 0;">+<span id="LC889" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">vi'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vi</span><span class="p">{</span> <span class="n" style="color: #333;">vi_bot</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IsBot</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC890" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">nabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setEntrySDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">vi'</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span><span class="p">}</span></span>
</pre>
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894
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891
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<pre style="margin: 0;"> <span id="LC891" class="line" lang="haskell"></span>
</pre>
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895
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892
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<pre style="margin: 0;"> <span id="LC892" class="line" lang="haskell"><span class="cd">-- | Record a @x ~/ K@ constraint, e.g. that a particular 'Id' @x@ can't</span></span>
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896
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<td class="diff-line-num new_line old" data-linenumber="893" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC896" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- take the shape of a 'PmAltCon' @K@ in the '<span class="idiff left right">Delt</span>a' and return @Nothing@ if</span></span>
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893
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<pre style="margin: 0;">+<span id="LC893" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- take the shape of a 'PmAltCon' @K@ in the '<span class="idiff left right">Nabl</span>a' and return @Nothing@ if</span></span>
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897
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894
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<pre style="margin: 0;"> <span id="LC894" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- that leads to a contradiction.</span></span>
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898
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<pre style="margin: 0;"> <span id="LC895" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [TmState invariants].</span></span>
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899
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<pre style="margin: 0;">-<span id="LC899" class="line" lang="haskell"><span class="n" style="color: #333;">addNotConCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span></span>
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<pre style="margin: 0;">-<span id="LC900" class="line" lang="haskell"><span class="n" style="color: #333;">addNotConCt</span> <span class="n" style="color: #333;">delta</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MkDelta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">nalt</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC901" class="line" lang="haskell">  <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">pos</span> <span class="n" style="color: #333;">neg</span> <span class="n" style="color: #333;">pm</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lift</span> <span class="p">(</span><span class="n" style="color: #333;">initLookupVarInfo</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
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896
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<pre style="margin: 0;">+<span id="LC896" class="line" lang="haskell"><span class="n" style="color: #333;">addNotConCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span></span>
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897
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<pre style="margin: 0;">+<span id="LC897" class="line" lang="haskell"><span class="n" style="color: #333;">addNotConCt</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span></span>
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898
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<pre style="margin: 0;">+<span id="LC898" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isNewDataCon</span> <span class="n" style="color: #333;">dc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mzero</span> <span class="c1" style="color: #998; font-style: italic;">-- (3) in Note [Coverage checking Newtype matches]</span></span>
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<pre style="margin: 0;">+<span id="LC899" class="line" lang="haskell"><span class="n" style="color: #333;">addNotConCt</span> <span class="n" style="color: #333;">nabla</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MkNabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span><span class="p">)</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">nalt</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC900" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- For good performance, it's important to initPossibleMatches here.</span></span>
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<pre style="margin: 0;">+<span id="LC901" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Otherwise we can't mark nalt as matched later on, incurring unnecessary</span></span>
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902
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<pre style="margin: 0;">+<span id="LC902" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- inhabitation tests for nalt.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC903" class="line" lang="haskell">  <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">pos</span> <span class="n" style="color: #333;">neg</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">pm</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">initPossibleMatches</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_ty_st</span> <span class="n" style="color: #333;">nabla</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC904" class="line" lang="haskell">                                                       <span class="p">(</span><span class="n" style="color: #333;">lookupVarInfo</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
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902
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<pre style="margin: 0;"> <span id="LC905" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- 1. Bail out quickly when nalt contradicts a solution</span></span>
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903
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<pre style="margin: 0;"> <span id="LC906" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">contradicts</span> <span class="n" style="color: #333;">nalt</span> <span class="p">(</span><span class="n" style="color: #333;">cl</span><span class="p">,</span> <span class="n" style="color: #333;">_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">_args</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">eqPmAltCon</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">nalt</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">Equal</span></span>
</pre>
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904
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907
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<pre style="margin: 0;"> <span id="LC907" class="line" lang="haskell">  <span class="n" style="color: #333;">guard</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">any</span> <span class="p">(</span><span class="n" style="color: #333;">contradicts</span> <span class="n" style="color: #333;">nalt</span><span class="p">)</span> <span class="n" style="color: #333;">pos</span><span class="p">))</span></span>
</pre>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -910,13 +913,14 @@ addNotConCt delta@MkDelta{ delta_tm_st = TmSt env reps } x nalt = do</td>
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<pre style="margin: 0;"> <span id="LC913" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Completeness checking with required Thetas]</span></span>
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911
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<pre style="margin: 0;"> <span id="LC914" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">hasRequiredTheta</span> <span class="n" style="color: #333;">nalt</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">neg</span></span>
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<td class="diff-line-num old_line" data-linenumber="912" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC915" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>              <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendPmAltConSet</span> <span class="n" style="color: #333;">neg</span> <span class="n" style="color: #333;">nalt</span></span>
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<td class="diff-line-num new_line old" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC913" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">vi_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vi</span><span class="p">{</span> <span class="n" style="color: #333;">vi_neg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">neg'</span> <span class="p">}</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC916" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">MASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">isPmAltConMatchStrict</span> <span class="n" style="color: #333;">nalt</span> <span class="p">)</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="917" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
917
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<pre style="margin: 0;">+<span id="LC917" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">vi1</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vi</span><span class="p">{</span> <span class="n" style="color: #333;">vi_neg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">neg'</span><span class="p">,</span> <span class="n" style="color: #333;">vi_bot</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
918
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<pre style="margin: 0;"> <span id="LC918" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- 3. Make sure there's at least one other possible constructor</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC915" class="line" lang="haskell">  <span class="n" style="color: #333;">vi<span class="idiff left right">'</span></span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">nalt</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
919
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<pre style="margin: 0;">+<span id="LC919" class="line" lang="haskell">  <span class="n" style="color: #333;">vi<span class="idiff left right">2</span></span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">nalt</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
916
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<td class="diff-line-num new_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
920
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<pre style="margin: 0;"> <span id="LC920" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">cl</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="917" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
917
</td>
<td class="diff-line-num new_line old" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC917" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">MaybeT</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">ensureInhabited</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi_ext</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi_cache</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">markMatched</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cl</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pm</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">})</span></span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
918
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<td class="diff-line-num new_line old" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC918" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi<span class="idiff left right">_ext</span></span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
919
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<td class="diff-line-num new_line old" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC919" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta_tm_st</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmSt</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">setEntrySDIE</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">vi'</span></span><span class="p">)</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
921
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<pre style="margin: 0;">+<span id="LC921" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left">ensureInhabited</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi1</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi_cache</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">markMatched</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cl</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pm</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">}</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
922
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<pre style="margin: 0;">+<span id="LC922" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi<span class="idiff left right">1</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
923
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<pre style="margin: 0;">+<span id="LC923" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla_tm_st</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmSt</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">setEntrySDIE</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">vi2</span></span><span class="p">)</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
920
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<td class="diff-line-num new_line" data-linenumber="924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
924
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<pre style="margin: 0;"> <span id="LC924" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
921
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<td class="diff-line-num new_line" data-linenumber="925" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
925
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<pre style="margin: 0;"> <span id="LC925" class="line" lang="haskell"><span class="n" style="color: #333;">hasRequiredTheta</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
922
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<td class="diff-line-num new_line" data-linenumber="926" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
926
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<pre style="margin: 0;"> <span id="LC926" class="line" lang="haskell"><span class="n" style="color: #333;">hasRequiredTheta</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">cl</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">notNull</span> <span class="n" style="color: #333;">req_theta</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -979,100 +983,104 @@ guessConLikeUnivTyArgsFromResTy _   res_ty (PatSynCon ps)  = do</td>
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<td class="diff-line-num old_line" data-linenumber="979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
979
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<td class="diff-line-num new_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
983
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<pre style="margin: 0;"> <span id="LC983" class="line" lang="haskell">  <span class="n" style="color: #333;">subst</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcMatchTy</span> <span class="n" style="color: #333;">con_res_ty</span> <span class="n" style="color: #333;">res_ty</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="980" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
980
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<td class="diff-line-num new_line" data-linenumber="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
984
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<pre style="margin: 0;"> <span id="LC984" class="line" lang="haskell">  <span class="n" style="color: #333;">traverse</span> <span class="p">(</span><span class="n" style="color: #333;">lookupTyVar</span> <span class="n" style="color: #333;">subst</span><span class="p">)</span> <span class="n" style="color: #333;">univ_tvs</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
981
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<td class="diff-line-num new_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
985
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<pre style="margin: 0;"> <span id="LC985" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="982" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
982
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<td class="diff-line-num new_line old" data-linenumber="986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC982" class="line" lang="haskell"><span class="cd">-- | Adds the constraint @x ~/ ⊥@ to 'Delta'.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
986
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<pre style="margin: 0;">+<span id="LC986" class="line" lang="haskell"><span class="cd">-- | Adds the constraint @x ~/ ⊥@ to 'Nabla'. Quite similar to 'addNotConCt',</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
987
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<pre style="margin: 0;">+<span id="LC987" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- but only cares for the ⊥ "constructor".</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
988
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<pre style="margin: 0;">+<span id="LC988" class="line" lang="haskell"><span class="n" style="color: #333;">addNotBotCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="989" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
989
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<pre style="margin: 0;">+<span id="LC989" class="line" lang="haskell"><span class="n" style="color: #333;">addNotBotCt</span> <span class="n" style="color: #333;">nabla</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MkNabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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990
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<pre style="margin: 0;">+<span id="LC990" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="p">{</span> <span class="n" style="color: #333;">vi_bot</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bot</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupVarInfoNT</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_tm_st</span> <span class="n" style="color: #333;">nabla</span><span class="p">)</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
991
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<pre style="margin: 0;">+<span id="LC991" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">bot</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="992" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
992
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<pre style="margin: 0;">+<span id="LC992" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">IsBot</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">mzero</span>      <span class="c1" style="color: #998; font-style: italic;">-- There was x ~ ⊥. Contradiction!</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
993
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<pre style="margin: 0;">+<span id="LC993" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">nabla</span> <span class="c1" style="color: #998; font-style: italic;">-- There already is x /~ ⊥. Nothing left to do</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="994" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
994
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<pre style="margin: 0;">+<span id="LC994" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span>         <span class="c1" style="color: #998; font-style: italic;">-- We add x /~ ⊥ and test if x is still inhabited</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="995" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
995
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<pre style="margin: 0;">+<span id="LC995" class="line" lang="haskell">      <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ensureInhabited</span> <span class="n" style="color: #333;">nabla</span> <span class="n" style="color: #333;">vi</span><span class="p">{</span> <span class="n" style="color: #333;">vi_bot</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="996" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
996
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<pre style="margin: 0;">+<span id="LC996" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">nabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setEntrySDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">vi</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span><span class="p">}</span></span>
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997
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<pre style="margin: 0;">+<span id="LC997" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
998
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<pre style="margin: 0;">+<span id="LC998" class="line" lang="haskell"><span class="cd">-- | Returns (Just vi) if at least one member of each ConLike in the COMPLETE</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="999" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
999
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<pre style="margin: 0;">+<span id="LC999" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- set satisfies the oracle</span></span>
</pre>
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1000
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<pre style="margin: 0;">+<span id="LC1000" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1001" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1001
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<pre style="margin: 0;">+<span id="LC1001" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Internally uses and updates the ConLikeSets in vi_cache.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
983
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<td class="diff-line-num new_line" data-linenumber="1002" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1002
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<pre style="margin: 0;"> <span id="LC1002" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
984
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC984" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- But doesn't really commit to upholding that constraint in the future. This</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
985
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC985" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- will be rectified in a follow-up patch. The status quo should work good</span></span>
</pre>
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986
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC986" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- enough for now.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
987
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC987" class="line" lang="haskell"><span class="n" style="color: #333;">addNotBotCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
988
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<pre style="margin: 0;">-<span id="LC988" class="line" lang="haskell"><span class="n" style="color: #333;">addNotBotCt</span> <span class="n" style="color: #333;">delta</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MkDelta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<td class="diff-line-num old old_line" data-linenumber="989" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
989
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC989" class="line" lang="haskell">  <span class="n" style="color: #333;">vi</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">initLookupVarInfo</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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990
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<pre style="margin: 0;">-<span id="LC990" class="line" lang="haskell">  <span class="n" style="color: #333;">vi'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">ensureInhabited</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">vi</span></span>
</pre>
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991
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<pre style="margin: 0;">-<span id="LC991" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- vi' has probably constructed and then thinned out some PossibleMatches.</span></span>
</pre>
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992
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC992" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- We want to cache that work</span></span>
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<td class="diff-line-num old old_line" data-linenumber="993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
993
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC993" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">delta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setEntrySDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">vi'</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span><span class="p">}</span></span>
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<td class="diff-line-num old old_line" data-linenumber="994" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
994
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<pre style="margin: 0;">-<span id="LC994" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="995" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
995
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC995" class="line" lang="haskell"><span class="n" style="color: #333;">ensureInhabited</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="996" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
996
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC996" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">-- Returns (Just vi) if at least one member of each ConLike in the COMPLETE</span></span>
</pre>
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997
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC997" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">-- set satisfies the oracle</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
998
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC998" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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999
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC999" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">-- Internally uses and updates the ConLikeSets in vi_cache.</span></span>
</pre>
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1000
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1000" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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1001
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1001" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">-- NB: Does /not/ filter each ConLikeSet with the oracle; members may</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1002" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1002
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1002" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">--     remain that do not statisfy it.  This lazy approach just</span></span>
</pre>
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1003
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1003" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">--     avoids doing unnecessary work.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1004" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1004
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<td class="diff-line-num new_line old" data-linenumber="1003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1004" class="line" lang="haskell"><span class="n" style="color: #333;">ensureInhabited</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="p">(</span><span class="n" style="color: #333;">set_cache</span> <span class="n" style="color: #333;">vi</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">test</span> <span class="p">(</span><span class="n" style="color: #333;">vi_cache</span> <span class="n" style="color: #333;">vi</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- This would be much less tedious with lenses</span></span>
</pre>
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1003
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<pre style="margin: 0;">+<span id="LC1003" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- NB: Does /not/ filter each ConLikeSet with the oracle; members may</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="1004" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1004
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<pre style="margin: 0;">+<span id="LC1004" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     remain that do not statisfy it.  This lazy approach just</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="1005" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1005
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<pre style="margin: 0;">+<span id="LC1005" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     avoids doing unnecessary work.</span></span>
</pre>
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1006
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<pre style="margin: 0;">+<span id="LC1006" class="line" lang="haskell"><span class="n" style="color: #333;">ensureInhabited</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span></span>
</pre>
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1007
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<pre style="margin: 0;">+<span id="LC1007" class="line" lang="haskell"><span class="n" style="color: #333;">ensureInhabited</span> <span class="n" style="color: #333;">nabla</span> <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">vi_bot</span> <span class="n" style="color: #333;">vi</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1008" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1008
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<pre style="margin: 0;">+<span id="LC1008" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi</span> <span class="c1" style="color: #998; font-style: italic;">-- The |-Bot rule from the paper</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1009" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1009
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<pre style="margin: 0;">+<span id="LC1009" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">IsBot</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="1010" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1010
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<pre style="margin: 0;">+<span id="LC1010" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">lift</span> <span class="p">(</span><span class="n" style="color: #333;">initPossibleMatches</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_ty_st</span> <span class="n" style="color: #333;">nabla</span><span class="p">)</span> <span class="n" style="color: #333;">vi</span><span class="p">)</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">inst_complete_sets</span></span>
</pre>
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1005
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<td class="diff-line-num new_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1011
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<pre style="margin: 0;"> <span id="LC1011" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1006" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1006
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1006" class="line" lang="haskell">    <span class="n" style="color: #333;">set_cache</span> <span class="n" style="color: #333;">vi</span> <span class="n" style="color: #333;">cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vi</span> <span class="p">{</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cache</span> <span class="p">}</span></span>
</pre>
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1007
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1007" class="line" lang="haskell"></span>
</pre>
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1008
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1008" class="line" lang="haskell">    <span class="n" style="color: #333;">test</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1009" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1009
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1009" class="line" lang="haskell">    <span class="n" style="color: #333;">test</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PM</span> <span class="n" style="color: #333;">ms</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runMaybeT</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PM</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">one_set</span> <span class="n" style="color: #333;">ms</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1010" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1010
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1010" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1011
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1011" class="line" lang="haskell">    <span class="n" style="color: #333;">one_set</span> <span class="n" style="color: #333;">cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">find_one_inh</span> <span class="n" style="color: #333;">cs</span> <span class="p">(</span><span class="n" style="color: #333;">uniqDSetToList</span> <span class="n" style="color: #333;">cs</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1012
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1012" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1013
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<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1013" class="line" lang="haskell">    <span class="n" style="color: #333;">find_one_inh</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ConLikeSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ConLike</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">ConLikeSet</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1014
</td>
<td class="diff-line-num new_line old" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1014" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- (find_one_inh cs cls) iterates over cls, deleting from cs</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1012
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<pre style="margin: 0;">+<span id="LC1012" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | This is the |-Inst rule from the paper (section 4.5). Tries to</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1013
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<pre style="margin: 0;">+<span id="LC1013" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- find an inhabitant in every complete set by instantiating with one their</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1014
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<pre style="margin: 0;">+<span id="LC1014" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- constructors. If there is any complete set where we can't find an</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1015
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1015" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- inhabitant, the whole thing is uninhabited.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1016
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<pre style="margin: 0;">+<span id="LC1016" class="line" lang="haskell">    <span class="n" style="color: #333;">inst_complete_sets</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1017
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1017" class="line" lang="haskell">    <span class="n" style="color: #333;">inst_complete_sets</span> <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">VI</span><span class="p">{</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span> <span class="p">}</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1018
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1018" class="line" lang="haskell">    <span class="n" style="color: #333;">inst_complete_sets</span> <span class="n" style="color: #333;">vi</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">VI</span><span class="p">{</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">PM</span> <span class="n" style="color: #333;">ms</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1019
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1019" class="line" lang="haskell">      <span class="n" style="color: #333;">ms</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">traverse</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">cs</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">inst_complete_set</span> <span class="n" style="color: #333;">vi</span> <span class="n" style="color: #333;">cs</span> <span class="p">(</span><span class="n" style="color: #333;">uniqDSetToList</span> <span class="n" style="color: #333;">cs</span><span class="p">))</span> <span class="n" style="color: #333;">ms</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1020
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1020" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">vi</span><span class="p">{</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">PM</span> <span class="n" style="color: #333;">ms</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1021
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<pre style="margin: 0;">+<span id="LC1021" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1022
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1022" class="line" lang="haskell">    <span class="n" style="color: #333;">inst_complete_set</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ConLikeSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ConLike</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">ConLikeSet</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1023" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1023
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<pre style="margin: 0;">+<span id="LC1023" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- (inst_complete_set cs cls) iterates over cls, deleting from cs</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1015
</td>
<td class="diff-line-num new_line" data-linenumber="1024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1024
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<pre style="margin: 0;"> <span id="LC1024" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- any uninhabited elements of cls.  Stop (returning Just cs)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1016
</td>
<td class="diff-line-num new_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1025
</td>
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<pre style="margin: 0;"> <span id="LC1025" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- when you see an inhabited element; return Nothing if all</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1017
</td>
<td class="diff-line-num new_line" data-linenumber="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1026
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<pre style="margin: 0;"> <span id="LC1026" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- are uninhabited</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1018
</td>
<td class="diff-line-num new_line old" data-linenumber="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1018" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left right">find_one_inh</span></span> <span class="kr" style="font-weight: 600;">_</span>  <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mzero</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1019
</td>
<td class="diff-line-num new_line old" data-linenumber="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1019" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">find_one_inh</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="n" style="color: #333;"><span class="idiff">cons</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lift</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff right">inh_test</span></span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1027
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<pre style="margin: 0;">+<span id="LC1027" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">inst_complete_set</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">_</span></span> <span class="kr" style="font-weight: 600;">_</span>  <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mzero</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1028
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<pre style="margin: 0;">+<span id="LC1028" class="line" lang="haskell">    <span class="n" style="color: #333;"><span class="idiff left">inst_complete_set</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">con</span></span><span class="o" style="font-weight: 600;"><span class="idiff">:</span></span><span class="n" style="color: #333;"><span class="idiff">cons</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lift</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">inst_and_test</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">vi</span></span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1020
</td>
<td class="diff-line-num new_line" data-linenumber="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1029
</td>
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<pre style="margin: 0;"> <span id="LC1029" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">True</span>  <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">cs</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1021
</td>
<td class="diff-line-num new_line old" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1021" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left right">find_one_inh</span></span> <span class="p">(</span><span class="n" style="color: #333;">delOneFromUniqDSet</span> <span class="n" style="color: #333;">cs</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="n" style="color: #333;">cons</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1030
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1030" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;"><span class="idiff left">inst_complete_set</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">vi</span></span> <span class="p">(</span><span class="n" style="color: #333;">delOneFromUniqDSet</span> <span class="n" style="color: #333;">cs</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="n" style="color: #333;">cons</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1022
</td>
<td class="diff-line-num new_line" data-linenumber="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1031
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1031" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1023" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1023
</td>
<td class="diff-line-num new_line old" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1023" class="line" lang="haskell">    <span class="n" style="color: #333;">in<span class="idiff left">h_test</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">::</span></span> <span class="kt" style="color: #458; font-weight: 600;">ConLike</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1024
</td>
<td class="diff-line-num new_line old" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1024" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- @in<span class="idiff left right">h</span>_test K@ Returns False if a non-bottom value @v::ty@ cannot possibly</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1032
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1032" class="line" lang="haskell">    <span class="n" style="color: #333;">in<span class="idiff left">st_and_test</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">VarInfo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">-></span></span> <span class="kt" style="color: #458; font-weight: 600;">ConLike</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1033
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1033" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- @in<span class="idiff left right">st_and</span>_test K@ Returns False if a non-bottom value @v::ty@ cannot possibly</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1025
</td>
<td class="diff-line-num new_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1034
</td>
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<pre style="margin: 0;"> <span id="LC1034" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- be of form @K _ _ _@. Returning True is always sound.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1026
</td>
<td class="diff-line-num new_line" data-linenumber="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1035
</td>
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<pre style="margin: 0;"> <span id="LC1035" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1027
</td>
<td class="diff-line-num new_line" data-linenumber="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1036
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<pre style="margin: 0;"> <span id="LC1036" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- It's like 'DataCon.dataConCannotMatch', but more clever because it takes</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1028
</td>
<td class="diff-line-num new_line old" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1028" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- the facts in <span class="idiff left right">Delt</span>a into account.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1029
</td>
<td class="diff-line-num new_line old" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1029" class="line" lang="haskell">    <span class="n" style="color: #333;">in<span class="idiff left right">h_test</span></span> <span class="n" style="color: #333;">con</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1037
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<pre style="margin: 0;">+<span id="LC1037" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- the facts in <span class="idiff left right">Nabl</span>a into account.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1038
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1038" class="line" lang="haskell">    <span class="n" style="color: #333;">in<span class="idiff left">st_and_test</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">vi</span></span> <span class="n" style="color: #333;">con</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1030
</td>
<td class="diff-line-num new_line" data-linenumber="1039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1039
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1039" class="line" lang="haskell">      <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGetFamInstEnvs</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1031
</td>
<td class="diff-line-num new_line" data-linenumber="1040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1040
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1040" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">guessConLikeUnivTyArgsFromResTy</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">vi_ty</span> <span class="n" style="color: #333;">vi</span><span class="p">)</span> <span class="n" style="color: #333;">con</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1032
</td>
<td class="diff-line-num new_line" data-linenumber="1041" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1041
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1041" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="c1" style="color: #998; font-style: italic;">-- be conservative about this</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1033
</td>
<td class="diff-line-num new_line" data-linenumber="1042" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1042
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1042" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">arg_tys</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1034
</td>
<td class="diff-line-num new_line" data-linenumber="1043" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1043
</td>
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<pre style="margin: 0;"> <span id="LC1043" class="line" lang="haskell">          <span class="p">(</span><span class="n" style="color: #333;">_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">_vars</span><span class="p">,</span> <span class="n" style="color: #333;">ty_cs</span><span class="p">,</span> <span class="n" style="color: #333;">strict_arg_tys</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkOneConFull</span> <span class="n" style="color: #333;">arg_tys</span> <span class="n" style="color: #333;">con</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1035
</td>
<td class="diff-line-num new_line old" data-linenumber="1044" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1035" class="line" lang="haskell">          <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"in<span class="idiff left right">h</span>_test"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">con</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty_cs</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1044" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1044
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1044" class="line" lang="haskell">          <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"in<span class="idiff left right">st_and</span>_test"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">con</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty_cs</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1036
</td>
<td class="diff-line-num new_line" data-linenumber="1045" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1045
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<pre style="margin: 0;"> <span id="LC1045" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- No need to run the term oracle compared to pmIsSatisfiable</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1037
</td>
<td class="diff-line-num new_line old" data-linenumber="1046" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1037" class="line" lang="haskell">          <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">isJust</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mconcat</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1046" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1046
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<pre style="margin: 0;">+<span id="LC1046" class="line" lang="haskell">          <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">isJust</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">runSatisfiabilityCheck</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mconcat</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1038
</td>
<td class="diff-line-num new_line" data-linenumber="1047" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1047
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<pre style="margin: 0;"> <span id="LC1047" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- Important to pass False to tyIsSatisfiable here, so that we won't</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1039
</td>
<td class="diff-line-num new_line old" data-linenumber="1048" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1039" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- recursively call ensureAll<span class="idiff left right">PossibleMatches</span>Inhabited, leading to an</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1048" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1048
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<pre style="margin: 0;">+<span id="LC1048" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- recursively call ensureAllInhabited, leading to an</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1040
</td>
<td class="diff-line-num new_line" data-linenumber="1049" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1049
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<pre style="margin: 0;"> <span id="LC1049" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- endless recursion.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1041" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1041
</td>
<td class="diff-line-num new_line" data-linenumber="1050" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1050
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<pre style="margin: 0;"> <span id="LC1050" class="line" lang="haskell">            <span class="p">[</span> <span class="n" style="color: #333;">tyIsSatisfiable</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="n" style="color: #333;">ty_cs</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1042" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1042
</td>
<td class="diff-line-num new_line" data-linenumber="1051" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1051
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<pre style="margin: 0;"> <span id="LC1051" class="line" lang="haskell">            <span class="p">,</span> <span class="n" style="color: #333;">tysAreNonVoid</span> <span class="n" style="color: #333;">initRecTc</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1043" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1043
</td>
<td class="diff-line-num new_line" data-linenumber="1052" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1052
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<pre style="margin: 0;"> <span id="LC1052" class="line" lang="haskell">            <span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1044" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1044
</td>
<td class="diff-line-num new_line" data-linenumber="1053" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1053
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1053" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1045" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1045
</td>
<td class="diff-line-num new_line" data-linenumber="1054" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1054
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<pre style="margin: 0;"> <span id="LC1054" class="line" lang="haskell"><span class="cd">-- | Checks if every 'VarInfo' in the term oracle has still an inhabited</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="1046" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1046
</td>
<td class="diff-line-num new_line old" data-linenumber="1055" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1046" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'vi_cache', considering the current type information in '<span class="idiff left right">Delt</span>a'.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1047" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1055" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1055
</td>
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<pre style="margin: 0;">+<span id="LC1055" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'vi_cache', considering the current type information in '<span class="idiff left right">Nabl</span>a'.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1047" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1047
</td>
<td class="diff-line-num new_line" data-linenumber="1056" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1056
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<pre style="margin: 0;"> <span id="LC1056" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This check is necessary after having matched on a GADT con to weed out</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1048" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1048
</td>
<td class="diff-line-num new_line" data-linenumber="1057" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1057
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<pre style="margin: 0;"> <span id="LC1057" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- impossible matches.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1049" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1049
</td>
<td class="diff-line-num new_line old" data-linenumber="1058" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1049" class="line" lang="haskell"><span class="n" style="color: #333;">ensureAll<span class="idiff left">PossibleMatchesInhabited</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1050" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1050
</td>
<td class="diff-line-num new_line old" data-linenumber="1058" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1050" class="line" lang="haskell"><span class="n" style="color: #333;">ensureAll<span class="idiff left">PossibleMatchesInhabited</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDelta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1051" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1051
</td>
<td class="diff-line-num new_line old" data-linenumber="1058" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1051" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runMaybeT</span> <span class="p">(</span><span class="n" style="color: #333;">set_tm_cs_env</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverseSDIE</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">env</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1052" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1058" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1058
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1058" class="line" lang="haskell"><span class="n" style="color: #333;">ensureAll<span class="idiff left">Inhabited</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1052" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1059" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1059
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1059" class="line" lang="haskell"><span class="n" style="color: #333;">ensureAll<span class="idiff left">Inhabited</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1052" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1060" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1060
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1060" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runMaybeT</span> <span class="p">(</span><span class="n" style="color: #333;">set_tm_cs_env</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">traverseSDIE</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">env</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1052" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1052
</td>
<td class="diff-line-num new_line" data-linenumber="1061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1061
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1061" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1053" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1053
</td>
<td class="diff-line-num new_line old" data-linenumber="1062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1053" class="line" lang="haskell">    <span class="n" style="color: #333;">set_tm_cs_env</span> <span class="n" style="color: #333;">delta</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">delta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1054" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1054
</td>
<td class="diff-line-num new_line old" data-linenumber="1062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1054" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1055" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1055
</td>
<td class="diff-line-num new_line old" data-linenumber="1062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1055" class="line" lang="haskell">      <span class="n" style="color: #333;">initPossibleMatches</span> <span class="p">(</span><span class="n" style="color: #333;">delta_ty_st</span> <span class="n" style="color: #333;">delta</span><span class="p">)</span> <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="n" style="color: #333;">ensureInhabited</span> <span class="n" style="color: #333;">delta</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1056" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1062
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1062" class="line" lang="haskell">    <span class="n" style="color: #333;">set_tm_cs_env</span> <span class="n" style="color: #333;">nabla</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1056" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1063" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1063
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1063" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ensureInhabited</span> <span class="n" style="color: #333;">nabla</span> <span class="n" style="color: #333;">vi</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1056" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1056
</td>
<td class="diff-line-num new_line" data-linenumber="1064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1064
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1064" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1057" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1057
</td>
<td class="diff-line-num new_line" data-linenumber="1065" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1065
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1065" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------------------------------------</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1058" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1058
</td>
<td class="diff-line-num new_line" data-linenumber="1066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1066
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1066" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Term oracle unification procedure</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1059" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1059
</td>
<td class="diff-line-num new_line" data-linenumber="1067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1067
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1067" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1060" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1060
</td>
<td class="diff-line-num new_line" data-linenumber="1068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1068
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1068" class="line" lang="haskell"><span class="cd">-- | Adds a @x ~ y@ constraint by trying to unify two 'Id's and record the</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1061
</td>
<td class="diff-line-num new_line old" data-linenumber="1069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1061" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- gained knowledge in '<span class="idiff left right">Delt</span>a'.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1069
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<pre style="margin: 0;">+<span id="LC1069" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- gained knowledge in '<span class="idiff left right">Nabl</span>a'.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1062
</td>
<td class="diff-line-num new_line" data-linenumber="1070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1070
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<pre style="margin: 0;"> <span id="LC1070" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1063" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1063
</td>
<td class="diff-line-num new_line old" data-linenumber="1071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1063" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns @Nothing@ when there's a contradiction. Returns @Just <span class="idiff left right">delt</span>a@</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1064
</td>
<td class="diff-line-num new_line old" data-linenumber="1071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1064" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- when the constraint was compatible with prior facts, in which case @<span class="idiff left right">delt</span>a@</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1065" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1071
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<pre style="margin: 0;">+<span id="LC1071" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns @Nothing@ when there's a contradiction. Returns @Just <span class="idiff left right">nabl</span>a@</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1065" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1072" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1072
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<pre style="margin: 0;">+<span id="LC1072" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- when the constraint was compatible with prior facts, in which case @<span class="idiff left right">nabl</span>a@</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1065" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1065
</td>
<td class="diff-line-num new_line" data-linenumber="1073" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1073
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<pre style="margin: 0;"> <span id="LC1073" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- has integrated the knowledge from the equality constraint.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1066
</td>
<td class="diff-line-num new_line" data-linenumber="1074" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1074
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<pre style="margin: 0;"> <span id="LC1074" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1067
</td>
<td class="diff-line-num new_line" data-linenumber="1075" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1075
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<pre style="margin: 0;"> <span id="LC1075" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [TmState invariants].</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1068
</td>
<td class="diff-line-num new_line old" data-linenumber="1076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1068" class="line" lang="haskell"><span class="n" style="color: #333;">addVarCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1069
</td>
<td class="diff-line-num new_line old" data-linenumber="1076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1069" class="line" lang="haskell"><span class="n" style="color: #333;">addVarCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDelta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1076
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<pre style="margin: 0;">+<span id="LC1076" class="line" lang="haskell"><span class="n" style="color: #333;">addVarCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1077" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1077
</td>
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<pre style="margin: 0;">+<span id="LC1077" class="line" lang="haskell"><span class="n" style="color: #333;">addVarCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1070
</td>
<td class="diff-line-num new_line" data-linenumber="1078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1078
</td>
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<pre style="margin: 0;"> <span id="LC1078" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- It's important that we never @equate@ two variables of the same equivalence</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1071
</td>
<td class="diff-line-num new_line" data-linenumber="1079" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1079
</td>
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<pre style="margin: 0;"> <span id="LC1079" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- class, otherwise we might get cyclic substitutions.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1072" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1072
</td>
<td class="diff-line-num new_line" data-linenumber="1080" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1080
</td>
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<pre style="margin: 0;"> <span id="LC1080" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Cf. 'extendSubstAndSolve' and</span></span>
</pre>
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1073
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<td class="diff-line-num new_line" data-linenumber="1081" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1081
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<pre style="margin: 0;"> <span id="LC1081" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- @testsuite/tests/pmcheck/should_compile/CyclicSubst.hs@.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1074" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1074
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<td class="diff-line-num new_line old" data-linenumber="1082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1074" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">sameRepresentativeSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1075" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1075
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<td class="diff-line-num new_line old" data-linenumber="1082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1075" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>                      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">equate</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1082
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<pre style="margin: 0;">+<span id="LC1082" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">sameRepresentativeSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1083" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1083
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<pre style="margin: 0;">+<span id="LC1083" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>                      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">equate</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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1076
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<td class="diff-line-num new_line" data-linenumber="1084" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1084
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<pre style="margin: 0;"> <span id="LC1084" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1077" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1077
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<td class="diff-line-num new_line" data-linenumber="1085" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1085
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<pre style="margin: 0;"> <span id="LC1085" class="line" lang="haskell"><span class="cd">-- | @equate ts@(TmSt env) x y@ merges the equivalence classes of @x@ and @y@ by</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1078
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<td class="diff-line-num new_line" data-linenumber="1086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1086
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<pre style="margin: 0;"> <span id="LC1086" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- adding an indirection to the environment.</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1081" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1089" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1081,12 +1089,12 @@ addVarCt delta@MkDelta{ delta_tm_st = TmSt env _ } x y</td>
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1081
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1089
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<pre style="margin: 0;"> <span id="LC1089" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Preconditions: @not (sameRepresentativeSDIE env x y)@</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1082
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<td class="diff-line-num new_line" data-linenumber="1090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1090
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<pre style="margin: 0;"> <span id="LC1090" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1083" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1083
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<td class="diff-line-num new_line" data-linenumber="1091" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1091
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<pre style="margin: 0;"> <span id="LC1091" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [TmState invariants].</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1084" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1084
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<td class="diff-line-num new_line old" data-linenumber="1092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1084" class="line" lang="haskell"><span class="n" style="color: #333;">equate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1085" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1085
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<td class="diff-line-num new_line old" data-linenumber="1092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1085" class="line" lang="haskell"><span class="n" style="color: #333;">equate</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDelta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1092
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<pre style="margin: 0;">+<span id="LC1092" class="line" lang="haskell"><span class="n" style="color: #333;">equate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1093" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1093
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<pre style="margin: 0;">+<span id="LC1093" class="line" lang="haskell"><span class="n" style="color: #333;">equate</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1086
</td>
<td class="diff-line-num new_line" data-linenumber="1094" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1094
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<pre style="margin: 0;"> <span id="LC1094" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">sameRepresentativeSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1087" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1087
</td>
<td class="diff-line-num new_line" data-linenumber="1095" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1095
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<pre style="margin: 0;"> <span id="LC1095" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">lookupSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;">lookupSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1088" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1088
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<td class="diff-line-num new_line old" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1088" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setIndirectSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1089" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1089
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<td class="diff-line-num new_line old" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1089" class="line" lang="haskell">      <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setIndirectSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1096
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<pre style="margin: 0;">+<span id="LC1096" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setIndirectSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1097
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<pre style="margin: 0;">+<span id="LC1097" class="line" lang="haskell">      <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setIndirectSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="n" style="color: #333;">reps</span> <span class="p">})</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1090
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<td class="diff-line-num new_line" data-linenumber="1098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1098
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<pre style="margin: 0;"> <span id="LC1098" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Merge the info we have for x into the info for y</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1091" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1091
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<td class="diff-line-num new_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1099
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<pre style="margin: 0;"> <span id="LC1099" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">vi_x</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">vi_y</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1092
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<td class="diff-line-num new_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1100
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<pre style="margin: 0;"> <span id="LC1100" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- This assert will probably trigger at some point...</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1096,16 +1104,16 @@ equate delta@MkDelta{ delta_tm_st = TmSt env reps } x y</td>
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1096
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<td class="diff-line-num new_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1104
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<pre style="margin: 0;"> <span id="LC1104" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">env_ind</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">setIndirectSDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1097
</td>
<td class="diff-line-num new_line" data-linenumber="1105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1105
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<pre style="margin: 0;"> <span id="LC1105" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Then sum up the refinement counters</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1098
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<td class="diff-line-num new_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1106
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<pre style="margin: 0;"> <span id="LC1106" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">env_refs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">setEntrySDIE</span> <span class="n" style="color: #333;">env_ind</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">vi_y</span></span>
</pre>
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1099
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<td class="diff-line-num new_line old" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1099" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;"><span class="idiff left">delta_refs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env_refs</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1107
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<pre style="margin: 0;">+<span id="LC1107" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;"><span class="idiff left">nabla_refs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">env_refs</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1100
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<td class="diff-line-num new_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1108
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<pre style="margin: 0;"> <span id="LC1108" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- and then gradually merge every positive fact we have on x into y</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1101
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<td class="diff-line-num new_line old" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1101" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">add_fact</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">cl</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tvs</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">args</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1102
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<td class="diff-line-num new_line old" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1102" class="line" lang="haskell">        <span class="n" style="color: #333;"><span class="idiff left">delta_pos</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foldlM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">add_fact</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_refs</span> <span class="p">(</span><span class="n" style="color: #333;">vi_pos</span> <span class="n" style="color: #333;">vi_x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1109
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<pre style="margin: 0;">+<span id="LC1109" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">add_fact</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">cl</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tvs</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">args</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1110
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<pre style="margin: 0;">+<span id="LC1110" class="line" lang="haskell">        <span class="n" style="color: #333;"><span class="idiff left">nabla_pos</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foldlM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">add_fact</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_refs</span> <span class="p">(</span><span class="n" style="color: #333;">vi_pos</span> <span class="n" style="color: #333;">vi_x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1103
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<td class="diff-line-num new_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1111
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<pre style="margin: 0;"> <span id="LC1111" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Do the same for negative info</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1104
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<td class="diff-line-num new_line old" data-linenumber="1112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1104" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">add_refut</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nalt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">nalt</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1105
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<td class="diff-line-num new_line old" data-linenumber="1112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1105" class="line" lang="haskell">        <span class="n" style="color: #333;"><span class="idiff left">delta_neg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foldlM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">add_refut</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_pos</span> <span class="p">(</span><span class="n" style="color: #333;">pmAltConSetElems</span> <span class="p">(</span><span class="n" style="color: #333;">vi_neg</span> <span class="n" style="color: #333;">vi_x</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1112
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<pre style="margin: 0;">+<span id="LC1112" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">add_refut</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nalt</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addNotConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">nalt</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1113
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<pre style="margin: 0;">+<span id="LC1113" class="line" lang="haskell">        <span class="n" style="color: #333;"><span class="idiff left">nabla_neg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foldlM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">add_refut</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_pos</span> <span class="p">(</span><span class="n" style="color: #333;">pmAltConSetElems</span> <span class="p">(</span><span class="n" style="color: #333;">vi_neg</span> <span class="n" style="color: #333;">vi_x</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1106
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<td class="diff-line-num new_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1114
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<pre style="margin: 0;"> <span id="LC1114" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- vi_cache will be updated in addNotConCt, so we are good to</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1107
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1115
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<pre style="margin: 0;"> <span id="LC1115" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- go!</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1108
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<td class="diff-line-num new_line old" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1108" class="line" lang="haskell">        <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a_neg</span></span>
</pre>
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1116
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<pre style="margin: 0;">+<span id="LC1116" class="line" lang="haskell">        <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a_neg</span></span>
</pre>
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1109
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<td class="diff-line-num new_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1117
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<pre style="margin: 0;"> <span id="LC1117" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1110
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<td class="diff-line-num new_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1118
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<pre style="margin: 0;"> <span id="LC1118" class="line" lang="haskell"><span class="cd">-- | Add a @x ~ K tvs args ts@ constraint.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1111
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<td class="diff-line-num new_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1119
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<pre style="margin: 0;"> <span id="LC1119" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @addConCt x K tvs args ts@ extends the substitution with a solution</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1113,9 +1121,9 @@ equate delta@MkDelta{ delta_tm_st = TmSt env reps } x y</td>
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1113
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<td class="diff-line-num new_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1121
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<pre style="margin: 0;"> <span id="LC1121" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- have on @x@, reject (@Nothing@) otherwise.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1114
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<td class="diff-line-num new_line" data-linenumber="1122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1122
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<pre style="margin: 0;"> <span id="LC1122" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1115
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<td class="diff-line-num new_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1123
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<pre style="margin: 0;"> <span id="LC1123" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [TmState invariants].</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1116
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<td class="diff-line-num new_line old" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1116" class="line" lang="haskell"><span class="n" style="color: #333;">addConCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmAltCon</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TyVar</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1117
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<td class="diff-line-num new_line old" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1117" class="line" lang="haskell"><span class="n" style="color: #333;">addConCt</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDelta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta_tm_st</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmSt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">reps</span></span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">alt</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1118
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<td class="diff-line-num new_line old" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1118" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">VI</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ty</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pos</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">neg</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cache</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lift</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">initLookupVarInfo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff right">)</span></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1124
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<pre style="margin: 0;">+<span id="LC1124" class="line" lang="haskell"><span class="n" style="color: #333;">addConCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">PmAltCon</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TyVar</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC1125" class="line" lang="haskell"><span class="n" style="color: #333;">addConCt</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla_tm_st</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ts</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmSt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">env</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">reps</span></span><span class="p"><span class="idiff right">)</span></span> <span class="p">}</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">alt</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1126
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<pre style="margin: 0;">+<span id="LC1126" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;"><span class="idiff left">let</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">VI</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ty</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pos</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">neg</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bot</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">cache</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lookupVarInfo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">x</span></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1119
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<td class="diff-line-num new_line" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1127
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<pre style="margin: 0;"> <span id="LC1127" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- First try to refute with a negative fact</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1120
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<td class="diff-line-num new_line" data-linenumber="1128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1128
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<pre style="margin: 0;"> <span id="LC1128" class="line" lang="haskell">  <span class="n" style="color: #333;">guard</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">elemPmAltConSet</span> <span class="n" style="color: #333;">alt</span> <span class="n" style="color: #333;">neg</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1121
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<td class="diff-line-num new_line" data-linenumber="1129" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1129
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<pre style="margin: 0;"> <span id="LC1129" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Then see if any of the other solutions (remember: each of them is an</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1131,10 +1139,19 @@ addConCt delta@MkDelta{ delta_tm_st = TmSt env reps } x alt tvs args = do</td>
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<td class="diff-line-num old_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1131
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<td class="diff-line-num new_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1139
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<pre style="margin: 0;"> <span id="LC1139" class="line" lang="haskell">      <span class="n" style="color: #333;">when</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">/=</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">other_args</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1132
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<td class="diff-line-num new_line" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1140
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<pre style="margin: 0;"> <span id="LC1140" class="line" lang="haskell">        <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"error"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">alt</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">other_args</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1133
</td>
<td class="diff-line-num new_line" data-linenumber="1141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1141
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<pre style="margin: 0;"> <span id="LC1141" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">tm_cts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">zipWithEqual</span> <span class="s" style="color: #d14;">"addConCt"</span> <span class="kt" style="color: #458; font-weight: 600;">PmVarCt</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">other_args</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1134
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<td class="diff-line-num new_line old" data-linenumber="1142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1134" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">addPmCts</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">ty_cts</span> <span class="p">`</span><span class="n" style="color: #333;">unionBags</span><span class="p">`</span> <span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">tm_cts</span><span class="p">)</span></span>
</pre>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1142" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1142
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<pre style="margin: 0;">+<span id="LC1142" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">addPmCts</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">ty_cts</span> <span class="p">`</span><span class="n" style="color: #333;">unionBags</span><span class="p">`</span> <span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">tm_cts</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1135
</td>
<td class="diff-line-num new_line" data-linenumber="1143" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1143
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<pre style="margin: 0;"> <span id="LC1143" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1136
</td>
<td class="diff-line-num new_line" data-linenumber="1144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1144
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<pre style="margin: 0;"> <span id="LC1144" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">pos'</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">alt</span><span class="p">,</span> <span class="n" style="color: #333;">tvs</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">)</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">pos</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1137
</td>
<td class="diff-line-num new_line old" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1137" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">delta</span><span class="p">{</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setEntrySDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">pos'</span> <span class="n" style="color: #333;">neg</span> <span class="n" style="color: #333;">cache</span><span class="p">))</span> <span class="n" style="color: #333;">reps</span><span class="p">}</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1145
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<pre style="margin: 0;">+<span id="LC1145" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">nabla_with</span> <span class="n" style="color: #333;">bot</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nabla</span><span class="p">{</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="p">(</span><span class="n" style="color: #333;">setEntrySDIE</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">pos'</span> <span class="n" style="color: #333;">neg</span> <span class="n" style="color: #333;">bot</span> <span class="n" style="color: #333;">cache</span><span class="p">))</span> <span class="n" style="color: #333;">reps</span><span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1146
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<pre style="margin: 0;">+<span id="LC1146" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Do (2) in Note [Coverage checking Newtype matches]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1147
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<pre style="margin: 0;">+<span id="LC1147" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">alt</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1148" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1148
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<pre style="margin: 0;">+<span id="LC1148" class="line" lang="haskell">        <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">),</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">])</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isNewDataCon</span> <span class="n" style="color: #333;">dc</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1149" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1149
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<pre style="margin: 0;">+<span id="LC1149" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">bot</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1150" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1150
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<pre style="margin: 0;">+<span id="LC1150" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_with</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1151" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1151
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<pre style="margin: 0;">+<span id="LC1151" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">IsBot</span>    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">addBotCt</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_with</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span><span class="p">)</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1152
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<pre style="margin: 0;">+<span id="LC1152" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">addNotBotCt</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_with</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span><span class="p">)</span> <span class="n" style="color: #333;">y</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1153" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1153
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<pre style="margin: 0;">+<span id="LC1153" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">isPmAltConMatchStrict</span> <span class="n" style="color: #333;">alt</span> <span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1154" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1154
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<pre style="margin: 0;">+<span id="LC1154" class="line" lang="haskell">             <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_with</span> <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- strict match ==> not ⊥</span></span>
</pre>
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1138
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<td class="diff-line-num new_line" data-linenumber="1155" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1155
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<pre style="margin: 0;"> <span id="LC1155" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1139
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<td class="diff-line-num new_line" data-linenumber="1156" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1156
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<pre style="margin: 0;"> <span id="LC1156" class="line" lang="haskell"><span class="n" style="color: #333;">equateTys</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmCt</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1140
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<td class="diff-line-num new_line" data-linenumber="1157" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1157
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<pre style="margin: 0;"> <span id="LC1157" class="line" lang="haskell"><span class="n" style="color: #333;">equateTys</span> <span class="n" style="color: #333;">ts</span> <span class="n" style="color: #333;">us</span> <span class="o" style="font-weight: 600;">=</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1200" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1183,9 +1200,9 @@ mkInhabitationCandidate x dc = do</td>
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1183
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<td class="diff-line-num new_line" data-linenumber="1200" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1200
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<pre style="margin: 0;"> <span id="LC1200" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- if it can. In this case, the candidates are the signature of the tycon, each</span></span>
</pre>
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1184
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<td class="diff-line-num new_line" data-linenumber="1201" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1201
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<pre style="margin: 0;"> <span id="LC1201" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- one accompanied by the term- and type- constraints it gives rise to.</span></span>
</pre>
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1185
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<td class="diff-line-num new_line" data-linenumber="1202" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1202
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<pre style="margin: 0;"> <span id="LC1202" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See also Note [Checking EmptyCase Expressions]</span></span>
</pre>
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1186
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<td class="diff-line-num new_line old" data-linenumber="1203" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1186" class="line" lang="haskell"><span class="n" style="color: #333;">inhabitationCandidates</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1203
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<pre style="margin: 0;">+<span id="LC1203" class="line" lang="haskell"><span class="n" style="color: #333;">inhabitationCandidates</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>
</pre>
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1187
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<td class="diff-line-num new_line" data-linenumber="1204" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1204
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<pre style="margin: 0;"> <span id="LC1204" class="line" lang="haskell">                       <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Either</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyCon</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">InhabitationCandidate</span><span class="p">]))</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1188
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<td class="diff-line-num new_line old" data-linenumber="1205" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1188" class="line" lang="haskell"><span class="n" style="color: #333;">inhabitationCandidates</span> <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_ty_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty_st</span> <span class="p">}</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1189" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1205
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<pre style="margin: 0;">+<span id="LC1205" class="line" lang="haskell"><span class="n" style="color: #333;">inhabitationCandidates</span> <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_ty_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty_st</span> <span class="p">}</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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1189
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1206
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<pre style="margin: 0;"> <span id="LC1206" class="line" lang="haskell">  <span class="n" style="color: #333;">pmTopNormaliseType</span> <span class="n" style="color: #333;">ty_st</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
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1190
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1207
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<pre style="margin: 0;"> <span id="LC1207" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">NoChange</span> <span class="kr" style="font-weight: 600;">_</span>                    <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">alts_to_check</span> <span class="n" style="color: #333;">ty</span>     <span class="n" style="color: #333;">ty</span>      <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1191
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<td class="diff-line-num new_line" data-linenumber="1208" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1208
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<pre style="margin: 0;"> <span id="LC1208" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">NormalisedByConstraints</span> <span class="n" style="color: #333;">ty'</span>   <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">alts_to_check</span> <span class="n" style="color: #333;">ty'</span>    <span class="n" style="color: #333;">ty'</span>     <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1281" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1298" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1281,20 +1298,20 @@ we do the following:</td>
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<pre style="margin: 0;"> <span id="LC1298" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1282" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1299" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1299" class="line" lang="haskell"><span class="cd">-- | A 'SatisfiabilityCheck' based on "NonVoid ty" constraints, e.g. Will</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1283" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1300" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1300" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- check if the @strict_arg_tys@ are actually all inhabited.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1284" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1284
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<td class="diff-line-num new_line old" data-linenumber="1301" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1284" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns the old '<span class="idiff left right">Delta' if all the types are non-void according to 'Delt</span>a'.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1285" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1301" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1301" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Returns the old '<span class="idiff left right">Nabla' if all the types are non-void according to 'Nabl</span>a'.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1285" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1302" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1302
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<pre style="margin: 0;"> <span id="LC1302" class="line" lang="haskell"><span class="n" style="color: #333;">tysAreNonVoid</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RecTcChecker</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SatisfiabilityCheck</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1286" class="line" lang="haskell"><span class="n" style="color: #333;">tysAreNonVoid</span> <span class="n" style="color: #333;">rec_env</span> <span class="n" style="color: #333;">strict_arg_tys</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1287" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1287
</td>
<td class="diff-line-num new_line old" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1287" class="line" lang="haskell">  <span class="n" style="color: #333;">all_non_void</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">checkAllNonVoid</span> <span class="n" style="color: #333;">rec_env</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1288" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1303
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1303" class="line" lang="haskell"><span class="n" style="color: #333;">tysAreNonVoid</span> <span class="n" style="color: #333;">rec_env</span> <span class="n" style="color: #333;">strict_arg_tys</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SC</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1288" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1304
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<pre style="margin: 0;">+<span id="LC1304" class="line" lang="haskell">  <span class="n" style="color: #333;">all_non_void</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">checkAllNonVoid</span> <span class="n" style="color: #333;">rec_env</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1288" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1288
</td>
<td class="diff-line-num new_line" data-linenumber="1305" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1305
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<pre style="margin: 0;"> <span id="LC1305" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Check if each strict argument type is inhabitable</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1289" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1289
</td>
<td class="diff-line-num new_line" data-linenumber="1306" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1306
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<pre style="margin: 0;"> <span id="LC1306" class="line" lang="haskell">  <span class="n" style="color: #333;">pure</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">all_non_void</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1290" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1290
</td>
<td class="diff-line-num new_line old" data-linenumber="1307" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1290" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">then</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1291" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1307" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1307
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1307" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">then</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1291" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1291
</td>
<td class="diff-line-num new_line" data-linenumber="1308" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1308
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<pre style="margin: 0;"> <span id="LC1308" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">else</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1292" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1292
</td>
<td class="diff-line-num new_line" data-linenumber="1309" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1309
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1309" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1293" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1293
</td>
<td class="diff-line-num new_line" data-linenumber="1310" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1310
</td>
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<pre style="margin: 0;"> <span id="LC1310" class="line" lang="haskell"><span class="cd">-- | Implements two performance optimizations, as described in</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1294" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1294
</td>
<td class="diff-line-num new_line" data-linenumber="1311" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1311
</td>
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<pre style="margin: 0;"> <span id="LC1311" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @Note [Strict argument type constraints]@.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1295" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1295
</td>
<td class="diff-line-num new_line old" data-linenumber="1312" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1295" class="line" lang="haskell"><span class="n" style="color: #333;">checkAllNonVoid</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RecTcChecker</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1296" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1312" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1312
</td>
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<pre style="margin: 0;">+<span id="LC1312" class="line" lang="haskell"><span class="n" style="color: #333;">checkAllNonVoid</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RecTcChecker</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1296" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1296
</td>
<td class="diff-line-num new_line" data-linenumber="1313" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1313
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1313" class="line" lang="haskell"><span class="n" style="color: #333;">checkAllNonVoid</span> <span class="n" style="color: #333;">rec_ts</span> <span class="n" style="color: #333;">amb_cs</span> <span class="n" style="color: #333;">strict_arg_tys</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1297" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1297
</td>
<td class="diff-line-num new_line old" data-linenumber="1314" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1297" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">definitely_inhabited</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">definitelyInhabitedType</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>a_ty_st</span> <span class="n" style="color: #333;">amb_cs</span><span class="p">)</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="1298" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1314" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1314
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<pre style="margin: 0;">+<span id="LC1314" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">definitely_inhabited</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">definitelyInhabitedType</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a_ty_st</span> <span class="n" style="color: #333;">amb_cs</span><span class="p">)</span></span>
</pre>
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1298
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<td class="diff-line-num new_line" data-linenumber="1315" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1315
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<pre style="margin: 0;"> <span id="LC1315" class="line" lang="haskell">  <span class="n" style="color: #333;">tys_to_check</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">filterOutM</span> <span class="n" style="color: #333;">definitely_inhabited</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1299" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1299
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<td class="diff-line-num new_line" data-linenumber="1316" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1316
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<pre style="margin: 0;"> <span id="LC1316" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- See Note [Fuel for the inhabitation test]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1300" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1300
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<td class="diff-line-num new_line" data-linenumber="1317" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1317
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<pre style="margin: 0;"> <span id="LC1317" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">rec_max_bound</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">tys_to_check</span> <span class="p">`</span><span class="n" style="color: #333;">lengthExceeds</span><span class="p">`</span> <span class="mi" style="color: #099;">1</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1309" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1309,7 +1326,7 @@ checkAllNonVoid rec_ts amb_cs strict_arg_tys = do</td>
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<td class="diff-line-num old_line" data-linenumber="1309" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1309
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<td class="diff-line-num new_line" data-linenumber="1326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1326
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<pre style="margin: 0;"> <span id="LC1326" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See @Note [Strict argument type constraints]@.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1310" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1310
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<td class="diff-line-num new_line" data-linenumber="1327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1327
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<pre style="margin: 0;"> <span id="LC1327" class="line" lang="haskell"><span class="n" style="color: #333;">nonVoid</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1311" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1311
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<td class="diff-line-num new_line" data-linenumber="1328" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1328
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<pre style="margin: 0;"> <span id="LC1328" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RecTcChecker</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ The per-'TyCon' recursion depth limit.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1312" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1312
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<td class="diff-line-num new_line old" data-linenumber="1329" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1312" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span>        <span class="c1" style="color: #998; font-style: italic;">-- ^ The ambient term/type constraints (known to be</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1313" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1329" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1329
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<pre style="margin: 0;">+<span id="LC1329" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span>        <span class="c1" style="color: #998; font-style: italic;">-- ^ The ambient term/type constraints (known to be</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1313" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1313
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<td class="diff-line-num new_line" data-linenumber="1330" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1330
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<pre style="margin: 0;"> <span id="LC1330" class="line" lang="haskell">                  <span class="c1" style="color: #998; font-style: italic;">--   satisfiable).</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1314" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1314
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<td class="diff-line-num new_line" data-linenumber="1331" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1331
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<pre style="margin: 0;"> <span id="LC1331" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span>         <span class="c1" style="color: #998; font-style: italic;">-- ^ The strict argument type.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1315" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1315
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<td class="diff-line-num new_line" data-linenumber="1332" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1332
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<pre style="margin: 0;"> <span id="LC1332" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span>     <span class="c1" style="color: #998; font-style: italic;">-- ^ 'True' if the strict argument type might be inhabited by</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1337" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1354" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1337,7 +1354,7 @@ nonVoid rec_ts amb_cs strict_arg_ty = do</td>
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<td class="diff-line-num old_line" data-linenumber="1337" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1337
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<td class="diff-line-num new_line" data-linenumber="1354" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1354
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<pre style="margin: 0;"> <span id="LC1354" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--     check if recursion is detected).</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1338" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1338
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<td class="diff-line-num new_line" data-linenumber="1355" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1355
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<pre style="margin: 0;"> <span id="LC1355" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1339" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1339
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<td class="diff-line-num new_line" data-linenumber="1356" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1356
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<pre style="margin: 0;"> <span id="LC1356" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- See Note [Strict argument type constraints]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1340" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1357" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1340" class="line" lang="haskell">    <span class="n" style="color: #333;">cand_is_inhabitable</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RecTcChecker</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1341" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1357" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1357
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<pre style="margin: 0;">+<span id="LC1357" class="line" lang="haskell">    <span class="n" style="color: #333;">cand_is_inhabitable</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RecTcChecker</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span></span>
</pre>
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1341
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<td class="diff-line-num new_line" data-linenumber="1358" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1358
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<pre style="margin: 0;"> <span id="LC1358" class="line" lang="haskell">                        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InhabitationCandidate</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1342" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1342
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<td class="diff-line-num new_line" data-linenumber="1359" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1359
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<pre style="margin: 0;"> <span id="LC1359" class="line" lang="haskell">    <span class="n" style="color: #333;">cand_is_inhabitable</span> <span class="n" style="color: #333;">rec_ts</span> <span class="n" style="color: #333;">amb_cs</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1343" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1343
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<td class="diff-line-num new_line" data-linenumber="1360" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1360
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<pre style="margin: 0;"> <span id="LC1360" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">InhabitationCandidate</span><span class="p">{</span> <span class="n" style="color: #333;">ic_cs</span>             <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">new_cs</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1516" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1516,21 +1533,21 @@ on a list of strict argument types, we filter out all of the DI ones.</td>
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<td class="diff-line-num old_line" data-linenumber="1516" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1516
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<td class="diff-line-num new_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1533
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<pre style="margin: 0;"> <span id="LC1533" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1517" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1517
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<td class="diff-line-num new_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1534
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<pre style="margin: 0;"> <span id="LC1534" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1518" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1518
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<td class="diff-line-num new_line" data-linenumber="1535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1535
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<pre style="margin: 0;"> <span id="LC1535" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--------------------------------------------</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1519" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1519
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<td class="diff-line-num new_line old" data-linenumber="1536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1519" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Providing positive evidence for a <span class="idiff left right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1520" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1536" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1536
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<pre style="margin: 0;">+<span id="LC1536" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * Providing positive evidence for a <span class="idiff left right">Nabl</span>a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1520" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1520
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<td class="diff-line-num new_line" data-linenumber="1537" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1537
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1537" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="1521" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1521
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<td class="diff-line-num new_line old" data-linenumber="1538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1521" class="line" lang="haskell"><span class="cd">-- | @provideEvidence vs n <span class="idiff left right">delt</span>a@ returns a list of</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1522" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1522
</td>
<td class="diff-line-num new_line old" data-linenumber="1538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1522" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- at most @n@ (but perhaps empty) refinements of @<span class="idiff left right">delt</span>a@ that instantiate</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1523" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1538" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1538
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<pre style="margin: 0;">+<span id="LC1538" class="line" lang="haskell"><span class="cd">-- | @provideEvidence vs n <span class="idiff left right">nabl</span>a@ returns a list of</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1523" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1539" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1539
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<pre style="margin: 0;">+<span id="LC1539" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- at most @n@ (but perhaps empty) refinements of @<span class="idiff left right">nabl</span>a@ that instantiate</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1523" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1523
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<td class="diff-line-num new_line" data-linenumber="1540" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1540
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<pre style="margin: 0;"> <span id="LC1540" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @vs@ to compatible constructor applications or wildcards.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1524" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1524
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<td class="diff-line-num new_line" data-linenumber="1541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1541
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<pre style="margin: 0;"> <span id="LC1541" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Negative information is only retained if literals are involved or when</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1525
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<td class="diff-line-num new_line" data-linenumber="1542" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1542
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<pre style="margin: 0;"> <span id="LC1542" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- for recursive GADTs.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1526" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1526
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<td class="diff-line-num new_line old" data-linenumber="1543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1526" class="line" lang="haskell"><span class="n" style="color: #333;">provideEvidence</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1543
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<pre style="margin: 0;">+<span id="LC1543" class="line" lang="haskell"><span class="n" style="color: #333;">provideEvidence</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1527
</td>
<td class="diff-line-num new_line" data-linenumber="1544" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1544
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<pre style="margin: 0;"> <span id="LC1544" class="line" lang="haskell"><span class="n" style="color: #333;">provideEvidence</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1528
</td>
<td class="diff-line-num new_line" data-linenumber="1545" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1545
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<pre style="margin: 0;"> <span id="LC1545" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1529" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1529
</td>
<td class="diff-line-num new_line" data-linenumber="1546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1546
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<pre style="margin: 0;"> <span id="LC1546" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kr" style="font-weight: 600;">_</span>      <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">_</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1530
</td>
<td class="diff-line-num new_line old" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1530" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span>     <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pure</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1531
</td>
<td class="diff-line-num new_line old" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1531" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">xs</span><span class="p">)</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1532" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1532
</td>
<td class="diff-line-num new_line old" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1532" class="line" lang="haskell">      <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"provideEvidence"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">xs</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1533" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1533
</td>
<td class="diff-line-num new_line old" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1533" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">VI</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pos</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">neg</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">initLookupVarInfo</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delta</span></span> <span class="n" style="color: #333;">x</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1547
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1547" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span>     <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pure</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span><span class="p">]</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1548
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1548" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">xs</span><span class="p">)</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1549
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1549" class="line" lang="haskell">      <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"provideEvidence"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">xs</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">n</span><span class="p">)</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1550" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1550
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1550" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;"><span class="idiff left">let</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">VI</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pos</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">neg</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lookupVarInfo</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nabla_tm_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">x</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1534
</td>
<td class="diff-line-num new_line" data-linenumber="1551" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1551
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1551" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">pos</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1535
</td>
<td class="diff-line-num new_line" data-linenumber="1552" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1552
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<pre style="margin: 0;"> <span id="LC1552" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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1536
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<td class="diff-line-num new_line" data-linenumber="1553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1553
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<pre style="margin: 0;"> <span id="LC1553" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- All solutions must be valid at once. Try to find candidates for their</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1543,56 +1560,57 @@ provideEvidence = go</td>
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<td class="diff-line-num new_line" data-linenumber="1560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1560" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- some @y@ and @SomePatSyn z@ for some @z@. We must find evidence for @y@</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1544" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1544
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<td class="diff-line-num new_line" data-linenumber="1561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1561
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<pre style="margin: 0;"> <span id="LC1561" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- and @z@ that is valid at the same time. These constitute arg_vas below.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1545" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1545
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<td class="diff-line-num new_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1562
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<pre style="margin: 0;"> <span id="LC1562" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg_vas</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">concatMap</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="n" style="color: #333;">_cl</span><span class="p">,</span> <span class="n" style="color: #333;">_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="n" style="color: #333;">pos</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1546
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<td class="diff-line-num new_line old" data-linenumber="1563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1546" class="line" lang="haskell">          <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">arg_vas</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">xs</span><span class="p">)</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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1563
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<pre style="margin: 0;">+<span id="LC1563" class="line" lang="haskell">          <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">arg_vas</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">xs</span><span class="p">)</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1547
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<td class="diff-line-num new_line" data-linenumber="1564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1564
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<pre style="margin: 0;"> <span id="LC1564" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1548
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<td class="diff-line-num new_line" data-linenumber="1565" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1565
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<pre style="margin: 0;"> <span id="LC1565" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- When there are literals involved, just print negative info</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1549
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<td class="diff-line-num new_line" data-linenumber="1566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1566" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- instead of listing missed constructors</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1550" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1550
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<td class="diff-line-num new_line" data-linenumber="1567" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1567
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<pre style="margin: 0;"> <span id="LC1567" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">notNull</span> <span class="p">[</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pmAltConSetElems</span> <span class="n" style="color: #333;">neg</span> <span class="p">]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1551" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1551
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<td class="diff-line-num new_line old" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1551" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1552" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1552
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<td class="diff-line-num new_line old" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1552" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">try_instantiate</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1568
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<pre style="margin: 0;">+<span id="LC1568" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1569
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<pre style="margin: 0;">+<span id="LC1569" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">try_instantiate</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
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1553
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<td class="diff-line-num new_line" data-linenumber="1570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1570
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<pre style="margin: 0;"> <span id="LC1570" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1554" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1554
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<td class="diff-line-num new_line" data-linenumber="1571" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1571
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<pre style="margin: 0;"> <span id="LC1571" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | Tries to instantiate a variable by possibly following the chain of</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1555" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1555
</td>
<td class="diff-line-num new_line" data-linenumber="1572" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1572
</td>
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<pre style="margin: 0;"> <span id="LC1572" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- newtypes and then instantiating to all ConLikes of the wrapped type's</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1556" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1556
</td>
<td class="diff-line-num new_line" data-linenumber="1573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1573
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<pre style="margin: 0;"> <span id="LC1573" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- minimal residual COMPLETE set.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1557" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1557
</td>
<td class="diff-line-num new_line old" data-linenumber="1574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1557" class="line" lang="haskell">    <span class="n" style="color: #333;">try_instantiate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1558" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1574
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1574" class="line" lang="haskell">    <span class="n" style="color: #333;">try_instantiate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1558" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1558
</td>
<td class="diff-line-num new_line" data-linenumber="1575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1575
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<pre style="margin: 0;"> <span id="LC1575" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Convention: x binds the outer constructor in the chain, y the inner one.</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1559" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1559
</td>
<td class="diff-line-num new_line old" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1559" class="line" lang="haskell">    <span class="n" style="color: #333;">try_instantiate</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1560
</td>
<td class="diff-line-num new_line old" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1560" class="line" lang="haskell">      <span class="p">(</span><span class="n" style="color: #333;">_src_ty</span><span class="p">,</span> <span class="n" style="color: #333;">dcs</span><span class="p">,</span> <span class="n" style="color: #333;">core_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tntrGuts</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">pmTopNormaliseType</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta_ty_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1561
</td>
<td class="diff-line-num new_line old" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1561" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">build_newtype</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">_ty</span><span class="p">,</span> <span class="n" style="color: #333;">dc</span><span class="p">,</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1576
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1576" class="line" lang="haskell">    <span class="n" style="color: #333;">try_instantiate</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1577
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1577" class="line" lang="haskell">      <span class="p">(</span><span class="n" style="color: #333;">_src_ty</span><span class="p">,</span> <span class="n" style="color: #333;">dcs</span><span class="p">,</span> <span class="n" style="color: #333;">core_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tntrGuts</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">pmTopNormaliseType</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla_ty_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1578
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1578" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">build_newtype</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">_ty</span><span class="p">,</span> <span class="n" style="color: #333;">dc</span><span class="p">,</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1562
</td>
<td class="diff-line-num new_line" data-linenumber="1579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1579
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1579" class="line" lang="haskell">            <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkPmId</span> <span class="n" style="color: #333;">arg_ty</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1563
</td>
<td class="diff-line-num new_line" data-linenumber="1580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1580
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1580" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- Newtypes don't have existentials (yet?!), so passing an empty</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1564
</td>
<td class="diff-line-num new_line" data-linenumber="1581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1581
</td>
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<pre style="margin: 0;"> <span id="LC1581" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- list as ex_tvs.</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1565" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1565
</td>
<td class="diff-line-num new_line old" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1565" class="line" lang="haskell">            <span class="n" style="color: #333;"><span class="idiff left">delta'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1566
</td>
<td class="diff-line-num new_line old" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1566" class="line" lang="haskell">            <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a'</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1567" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1567
</td>
<td class="diff-line-num new_line old" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1567" class="line" lang="haskell">      <span class="n" style="color: #333;">runMaybeT</span> <span class="p">(</span><span class="n" style="color: #333;">foldlM</span> <span class="n" style="color: #333;">build_newtype</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span><span class="p">)</span> <span class="n" style="color: #333;">dcs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1582
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<pre style="margin: 0;">+<span id="LC1582" class="line" lang="haskell">            <span class="n" style="color: #333;"><span class="idiff left">nabla'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="p">[</span><span class="n" style="color: #333;">y</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1583
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<pre style="margin: 0;">+<span id="LC1583" class="line" lang="haskell">            <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a'</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1584
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1584" class="line" lang="haskell">      <span class="n" style="color: #333;">runMaybeT</span> <span class="p">(</span><span class="n" style="color: #333;">foldlM</span> <span class="n" style="color: #333;">build_newtype</span> <span class="p">(</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span><span class="p">)</span> <span class="n" style="color: #333;">dcs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">>>=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="kr" style="font-weight: 600;">case</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1568
</td>
<td class="diff-line-num new_line" data-linenumber="1585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1585
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<pre style="margin: 0;"> <span id="LC1585" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1569
</td>
<td class="diff-line-num new_line old" data-linenumber="1586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1569" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;">newty_<span class="idiff left right">delt</span>a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1586
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<pre style="margin: 0;">+<span id="LC1586" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">y</span><span class="p">,</span> <span class="n" style="color: #333;">newty_<span class="idiff left right">nabl</span>a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1570
</td>
<td class="diff-line-num new_line" data-linenumber="1587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1587
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<pre style="margin: 0;"> <span id="LC1587" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- Pick a COMPLETE set and instantiate it (n at max). Take care of ⊥.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1571" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1571
</td>
<td class="diff-line-num new_line old" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1571" class="line" lang="haskell">          <span class="n" style="color: #333;">pm</span>     <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">initLookupVarInfo</span> <span class="n" style="color: #333;">newty_delta</span> <span class="n" style="color: #333;">y</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1572" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1572
</td>
<td class="diff-line-num new_line old" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1572" class="line" lang="haskell">          <span class="n" style="color: #333;">mb_cls</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pickMinimalCompleteSet</span> <span class="n" style="color: #333;">newty_delta</span> <span class="n" style="color: #333;">pm</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1588
</td>
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<pre style="margin: 0;">+<span id="LC1588" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">lookupVarInfo</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_tm_st</span> <span class="n" style="color: #333;">newty_nabla</span><span class="p">)</span> <span class="n" style="color: #333;">y</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1589
</td>
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<pre style="margin: 0;">+<span id="LC1589" class="line" lang="haskell">          <span class="n" style="color: #333;">vi</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">initPossibleMatches</span> <span class="p">(</span><span class="n" style="color: #333;">nabla_ty_st</span> <span class="n" style="color: #333;">newty_nabla</span><span class="p">)</span> <span class="n" style="color: #333;">vi</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1590
</td>
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<pre style="margin: 0;">+<span id="LC1590" class="line" lang="haskell">          <span class="n" style="color: #333;">mb_cls</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pickMinimalCompleteSet</span> <span class="n" style="color: #333;">newty_nabla</span> <span class="p">(</span><span class="n" style="color: #333;">vi_cache</span> <span class="n" style="color: #333;">vi</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1573
</td>
<td class="diff-line-num new_line" data-linenumber="1591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1591
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1591" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">uniqDSetToList</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">mb_cls</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1574
</td>
<td class="diff-line-num new_line old" data-linenumber="1592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1574" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">cls</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">instantiate_cons</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">core_ty</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">newty_<span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">cls</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1575
</td>
<td class="diff-line-num new_line old" data-linenumber="1592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1575" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;"><span class="idiff left">not</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">canDiverge</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">newty_delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">y</span></span><span class="p"><span class="idiff right">)</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1592
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1592" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">cls</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">instantiate_cons</span> <span class="n" style="color: #333;">y</span> <span class="n" style="color: #333;">core_ty</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">newty_<span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">cls</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1593" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1593
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1593" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;"><span class="idiff left">vi_bot</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">vi</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">==</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">IsNotBot</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1576
</td>
<td class="diff-line-num new_line" data-linenumber="1594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1594
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1594" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- Either ⊥ is still possible (think Void) or there are no COMPLETE</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1577
</td>
<td class="diff-line-num new_line" data-linenumber="1595" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1595
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1595" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- sets available, so we can assume it's inhabited</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1578
</td>
<td class="diff-line-num new_line old" data-linenumber="1596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1578" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">newty_<span class="idiff left right">delt</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1596
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1596" class="line" lang="haskell">            <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">newty_<span class="idiff left right">nabl</span>a</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1579
</td>
<td class="diff-line-num new_line" data-linenumber="1597" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1597
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1597" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1580
</td>
<td class="diff-line-num new_line old" data-linenumber="1598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1580" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">ConLike</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1598
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1598" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">ConLike</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1581
</td>
<td class="diff-line-num new_line" data-linenumber="1599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1599
</td>
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<pre style="margin: 0;"> <span id="LC1599" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span>  <span class="kr" style="font-weight: 600;">_</span>  <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span>     <span class="kt" style="color: #458; font-weight: 600;">[]</span>       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1582
</td>
<td class="diff-line-num new_line" data-linenumber="1600" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1600
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<pre style="margin: 0;"> <span id="LC1600" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span>  <span class="kr" style="font-weight: 600;">_</span>  <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">_</span>     <span class="kr" style="font-weight: 600;">_</span>        <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1583
</td>
<td class="diff-line-num new_line old" data-linenumber="1601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1583" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1601
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1601" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="kr" style="font-weight: 600;">_</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1584
</td>
<td class="diff-line-num new_line" data-linenumber="1602" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1602
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<pre style="margin: 0;"> <span id="LC1602" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- We don't want to expose users to GHC-specific constructors for Int etc.</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1585
</td>
<td class="diff-line-num new_line" data-linenumber="1603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1603
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<pre style="margin: 0;"> <span id="LC1603" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">fmap</span> <span class="p">(</span><span class="n" style="color: #333;">isTyConTriviallyInhabited</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fst</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">splitTyConApp_maybe</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1586
</td>
<td class="diff-line-num new_line old" data-linenumber="1604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1586" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1587
</td>
<td class="diff-line-num new_line old" data-linenumber="1604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1587" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="p">(</span><span class="n" style="color: #333;">cl</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">cls</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1604
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1604" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1605
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1605" class="line" lang="haskell">    <span class="n" style="color: #333;">instantiate_cons</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">xs</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="p">(</span><span class="n" style="color: #333;">cl</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">cls</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1588
</td>
<td class="diff-line-num new_line" data-linenumber="1606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1606
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1606" class="line" lang="haskell">      <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dsGetFamInstEnvs</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1589
</td>
<td class="diff-line-num new_line" data-linenumber="1607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1607
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1607" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">guessConLikeUnivTyArgsFromResTy</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">cl</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1590
</td>
<td class="diff-line-num new_line old" data-linenumber="1608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1590" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">[</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- No idea how to refine this one, so just finish off with a wildcard</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1608
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1608" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="p">[</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- No idea how to refine this one, so just finish off with a wildcard</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1591
</td>
<td class="diff-line-num new_line" data-linenumber="1609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1609
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1609" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">arg_tys</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1592
</td>
<td class="diff-line-num new_line" data-linenumber="1610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1610
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1610" class="line" lang="haskell">          <span class="p">(</span><span class="n" style="color: #333;">tvs</span><span class="p">,</span> <span class="n" style="color: #333;">arg_vars</span><span class="p">,</span> <span class="n" style="color: #333;">new_ty_cs</span><span class="p">,</span> <span class="n" style="color: #333;">strict_arg_tys</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkOneConFull</span> <span class="n" style="color: #333;">arg_tys</span> <span class="n" style="color: #333;">cl</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1593" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1593
</td>
<td class="diff-line-num new_line" data-linenumber="1611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1611
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<pre style="margin: 0;"> <span id="LC1611" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">new_tm_cs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unitBag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TmConCt</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">cl</span><span class="p">)</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">arg_vars</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1594
</td>
<td class="diff-line-num new_line" data-linenumber="1612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1612
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<pre style="margin: 0;"> <span id="LC1612" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- Now check satifiability</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1595" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1595
</td>
<td class="diff-line-num new_line old" data-linenumber="1613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1595" class="line" lang="haskell">          <span class="n" style="color: #333;">mb_<span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pmIsSatisfiable</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="n" style="color: #333;">new_tm_cs</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1613
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<pre style="margin: 0;">+<span id="LC1613" class="line" lang="haskell">          <span class="n" style="color: #333;">mb_<span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pmIsSatisfiable</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">new_ty_cs</span> <span class="n" style="color: #333;">new_tm_cs</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1596
</td>
<td class="diff-line-num new_line" data-linenumber="1614" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1614
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<pre style="margin: 0;"> <span id="LC1614" class="line" lang="haskell">          <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"instantiate_cons"</span> <span class="p">(</span><span class="n" style="color: #333;">vcat</span> <span class="p">[</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1597" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1597
</td>
<td class="diff-line-num new_line" data-linenumber="1615" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1615
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<pre style="margin: 0;"> <span id="LC1615" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">x</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1598
</td>
<td class="diff-line-num new_line" data-linenumber="1616" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1616
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1616" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span></span>
</pre>
</td>
</tr>
<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1601,21 +1619,21 @@ provideEvidence = go</td>
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<td class="diff-line-num old_line" data-linenumber="1601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1601
</td>
<td class="diff-line-num new_line" data-linenumber="1619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1619
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<pre style="margin: 0;"> <span id="LC1619" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">new_tm_cs</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1602" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1602
</td>
<td class="diff-line-num new_line" data-linenumber="1620" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1620
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<pre style="margin: 0;"> <span id="LC1620" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">new_ty_cs</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old_line" data-linenumber="1603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1603
</td>
<td class="diff-line-num new_line" data-linenumber="1621" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1621
</td>
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<pre style="margin: 0;"> <span id="LC1621" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">strict_arg_tys</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1604
</td>
<td class="diff-line-num new_line old" data-linenumber="1622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1604" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1605
</td>
<td class="diff-line-num new_line old" data-linenumber="1622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1605" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">mb_<span class="idiff left right">delt</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1622
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1622" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1623
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1623" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">mb_<span class="idiff left right">nabl</span>a</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1606
</td>
<td class="diff-line-num new_line" data-linenumber="1624" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1624
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1624" class="line" lang="haskell">                                           <span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">n</span> <span class="p">])</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1607
</td>
<td class="diff-line-num new_line old" data-linenumber="1625" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1607" class="line" lang="haskell">          <span class="n" style="color: #333;">con_<span class="idiff left">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">case</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">mb_delt</span>a</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1625" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1625
</td>
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<pre style="margin: 0;">+<span id="LC1625" class="line" lang="haskell">          <span class="n" style="color: #333;">con_<span class="idiff left">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">case</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">mb_nabl</span>a</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1608
</td>
<td class="diff-line-num new_line" data-linenumber="1626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1626
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<pre style="margin: 0;"> <span id="LC1626" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>     <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1609
</td>
<td class="diff-line-num new_line" data-linenumber="1627" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1627
</td>
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<pre style="margin: 0;"> <span id="LC1627" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- NB: We don't prepend arg_vars as we don't have any evidence on</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1610
</td>
<td class="diff-line-num new_line" data-linenumber="1628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1628
</td>
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<pre style="margin: 0;"> <span id="LC1628" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- them and we only want to split once on a data type. They are</span></span>
</pre>
</td>
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<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1611
</td>
<td class="diff-line-num new_line" data-linenumber="1629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1629
</td>
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<pre style="margin: 0;"> <span id="LC1629" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- inhabited, otherwise pmIsSatisfiable would have refuted.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1612
</td>
<td class="diff-line-num new_line old" data-linenumber="1630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1612" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left">delta'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">go</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">xs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">n</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a'</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1613
</td>
<td class="diff-line-num new_line old" data-linenumber="1630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1613" class="line" lang="haskell">          <span class="n" style="color: #333;">other_cons_<span class="idiff left">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">instantiate_cons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ty</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">xs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">n</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">length</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con_deltas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">cls</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1614" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1614
</td>
<td class="diff-line-num new_line old" data-linenumber="1630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1614" class="line" lang="haskell">          <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">con_<span class="idiff left">deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">++</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">other_cons_delt</span>as</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1615" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1630
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1630" class="line" lang="haskell">            <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;"><span class="idiff left">nabla'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">go</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">xs</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">n</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a'</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1615" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1631" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1631
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1631" class="line" lang="haskell">          <span class="n" style="color: #333;">other_cons_<span class="idiff left">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">instantiate_cons</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ty</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">xs</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">n</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">length</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">con_nablas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">cls</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1615" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1632" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1632
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1632" class="line" lang="haskell">          <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">con_<span class="idiff left">nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">++</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">other_cons_nabl</span>as</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1615" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1615
</td>
<td class="diff-line-num new_line" data-linenumber="1633" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1633
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1633" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1616" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1616
</td>
<td class="diff-line-num new_line old" data-linenumber="1634" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1616" class="line" lang="haskell"><span class="n" style="color: #333;">pickMinimalCompleteSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PossibleMatches</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">ConLikeSet</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1617" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1634" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1634
</td>
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<pre style="margin: 0;">+<span id="LC1634" class="line" lang="haskell"><span class="n" style="color: #333;">pickMinimalCompleteSet</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PossibleMatches</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">ConLikeSet</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1617" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1617
</td>
<td class="diff-line-num new_line" data-linenumber="1635" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1635
</td>
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<pre style="margin: 0;"> <span id="LC1635" class="line" lang="haskell"><span class="n" style="color: #333;">pickMinimalCompleteSet</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">NoPM</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1636" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1618" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- TODO: First prune sets with type info in <span class="idiff left right">delt</span>a. But this is good enough for</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC1636" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- TODO: First prune sets with type info in <span class="idiff left right">nabl</span>a. But this is good enough for</span></span>
</pre>
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1619
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<td class="diff-line-num new_line" data-linenumber="1637" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1637" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- now and less costly. See #17386.</span></span>
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<pre style="margin: 0;"> <span id="LC1638" class="line" lang="haskell"><span class="n" style="color: #333;">pickMinimalCompleteSet</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PM</span> <span class="n" style="color: #333;">clss</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;"> <span id="LC1639" class="line" lang="haskell">  <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"pickMinimalCompleteSet"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">NonEmpty</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">toList</span> <span class="n" style="color: #333;">clss</span><span class="p">)</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1625" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1643" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1625,14 +1643,14 @@ pickMinimalCompleteSet _ (PM clss) = do</td>
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<pre style="margin: 0;"> <span id="LC1643" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Which is the @x@ of a @let x = e'@ constraint (with @e@ semantically</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="1644" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC1644" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- equivalent to @e'@) we encountered earlier, or a fresh identifier if</span></span>
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<pre style="margin: 0;"> <span id="LC1645" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- there weren't any such constraints.</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1646" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1628" class="line" lang="haskell"><span class="n" style="color: #333;">representCoreExpr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CoreExpr</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="1646" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1629" class="line" lang="haskell"><span class="n" style="color: #333;">representCoreExpr</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDelta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span><span class="p">{</span> <span class="n" style="color: #333;">ts_reps</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="p">}</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1646" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1630" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">rep</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupCoreMap</span> <span class="n" style="color: #333;">reps</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span><span class="p">,</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC1646" class="line" lang="haskell"><span class="n" style="color: #333;">representCoreExpr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CoreExpr</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC1647" class="line" lang="haskell"><span class="n" style="color: #333;">representCoreExpr</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="o" style="font-weight: 600;"><span class="idiff">@</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span><span class="p">{</span> <span class="n" style="color: #333;">ts_reps</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reps</span> <span class="p">}</span> <span class="p">}</span> <span class="n" style="color: #333;">e</span></span>
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<pre style="margin: 0;">+<span id="LC1648" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">rep</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupCoreMap</span> <span class="n" style="color: #333;">reps</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span><span class="p">,</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1631" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1631
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<td class="diff-line-num new_line" data-linenumber="1649" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1649
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<pre style="margin: 0;"> <span id="LC1649" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1632" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1632
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<td class="diff-line-num new_line" data-linenumber="1650" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1650
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<pre style="margin: 0;"> <span id="LC1650" class="line" lang="haskell">      <span class="n" style="color: #333;">rep</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkPmId</span> <span class="p">(</span><span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1633" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1633
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<td class="diff-line-num new_line" data-linenumber="1651" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1651
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<pre style="margin: 0;"> <span id="LC1651" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">reps'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">extendCoreMap</span> <span class="n" style="color: #333;">reps</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">rep</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1634" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1634
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<td class="diff-line-num new_line old" data-linenumber="1652" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1634" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;"><span class="idiff left">delta'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">delta</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="p">{</span> <span class="n" style="color: #333;">ts_reps</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reps'</span> <span class="p">}</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1635" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1635
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<td class="diff-line-num new_line old" data-linenumber="1652" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1635" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">delt</span>a'</span><span class="p">,</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1636" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1652" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1652
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<pre style="margin: 0;">+<span id="LC1652" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;"><span class="idiff left">nabla'</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nabla</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a_tm_st</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ts</span><span class="p">{</span> <span class="n" style="color: #333;">ts_reps</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reps'</span> <span class="p">}</span> <span class="p">}</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1636" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1653" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1653
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<pre style="margin: 0;">+<span id="LC1653" class="line" lang="haskell">      <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a'</span><span class="p">,</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1636" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1636
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<td class="diff-line-num new_line" data-linenumber="1654" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1654
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<pre style="margin: 0;"> <span id="LC1654" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1637" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1637
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<td class="diff-line-num new_line" data-linenumber="1655" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1655
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<pre style="margin: 0;"> <span id="LC1655" class="line" lang="haskell"><span class="cd">-- | Inspects a 'PmCoreCt' @let x = e@ by recording constraints for @x@ based</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1638" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1638
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<td class="diff-line-num new_line" data-linenumber="1656" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1656
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<pre style="margin: 0;"> <span id="LC1656" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- on the shape of the 'CoreExpr' @e@. Examples:</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1646" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1646,16 +1664,16 @@ representCoreExpr delta@MkDelta{ delta_tm_st = ts@TmSt{ ts_reps = reps } } e</td>
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<td class="diff-line-num old_line" data-linenumber="1646" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1646
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<td class="diff-line-num new_line" data-linenumber="1664" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1664
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<pre style="margin: 0;"> <span id="LC1664" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     for other literals. See 'coreExprAsPmLit'.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1647" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1647
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<td class="diff-line-num new_line" data-linenumber="1665" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1665
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<pre style="margin: 0;"> <span id="LC1665" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   * Finally, if we have @let x = e@ and we already have seen @let y = e@, we</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1648" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1648
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<td class="diff-line-num new_line" data-linenumber="1666" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1666
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<pre style="margin: 0;"> <span id="LC1666" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     want to record @x ~ y@.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1649" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1649
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<td class="diff-line-num new_line old" data-linenumber="1667" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1649" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CoreExpr</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1650" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1650
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<pre style="margin: 0;">-<span id="LC1650" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreCt</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1651" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1667" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1667
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<pre style="margin: 0;">+<span id="LC1667" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Id</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">CoreExpr</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MaybeT</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">DsM</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1651" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1668" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1668
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<pre style="margin: 0;">+<span id="LC1668" class="line" lang="haskell"><span class="n" style="color: #333;">addCoreCt</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1651" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1651
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<td class="diff-line-num new_line" data-linenumber="1669" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1669
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<pre style="margin: 0;"> <span id="LC1669" class="line" lang="haskell">  <span class="n" style="color: #333;">dflags</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getDynFlags</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1652" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1652
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<td class="diff-line-num new_line" data-linenumber="1670" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1670
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<pre style="margin: 0;"> <span id="LC1670" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">e'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">simpleOptExpr</span> <span class="n" style="color: #333;">dflags</span> <span class="n" style="color: #333;">e</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1653" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1653
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<td class="diff-line-num new_line old" data-linenumber="1671" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1653" class="line" lang="haskell">  <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">tracePm</span> <span class="s" style="color: #d14;">"addCoreCt"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">idType</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">e'</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1654" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1654
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<td class="diff-line-num new_line old" data-linenumber="1671" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1654" class="line" lang="haskell">  <span class="n" style="color: #333;">execStateT</span> <span class="p">(</span><span class="n" style="color: #333;">core_expr</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e'</span><span class="p">)</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1655" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1671" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1671
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<pre style="margin: 0;">+<span id="LC1671" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;"><span class="idiff left right">-- </span>lift $ tracePm "addCoreCt" (ppr x <+> dcolon <+> ppr (idType x) $$ ppr e $$ ppr e')</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1655" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1672" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1672
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<pre style="margin: 0;">+<span id="LC1672" class="line" lang="haskell">  <span class="n" style="color: #333;">execStateT</span> <span class="p">(</span><span class="n" style="color: #333;">core_expr</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e'</span><span class="p">)</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1655" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1655
</td>
<td class="diff-line-num new_line" data-linenumber="1673" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1673
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<pre style="margin: 0;"> <span id="LC1673" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1656" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1656
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<td class="diff-line-num new_line" data-linenumber="1674" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1674
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<pre style="margin: 0;"> <span id="LC1674" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | Takes apart a 'CoreExpr' and tries to extract as much information about</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1657" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1657
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<td class="diff-line-num new_line" data-linenumber="1675" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1675
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<pre style="margin: 0;"> <span id="LC1675" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- literals and constructor applications as possible.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1658" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1658
</td>
<td class="diff-line-num new_line old" data-linenumber="1676" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1658" class="line" lang="haskell">    <span class="n" style="color: #333;">core_expr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1659" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1676" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1676
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<pre style="margin: 0;">+<span id="LC1676" class="line" lang="haskell">    <span class="n" style="color: #333;">core_expr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1659" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1659
</td>
<td class="diff-line-num new_line" data-linenumber="1677" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1677
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<pre style="margin: 0;"> <span id="LC1677" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- TODO: Handle newtypes properly, by wrapping the expression in a DataCon</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1660" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1660
</td>
<td class="diff-line-num new_line" data-linenumber="1678" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1678
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<pre style="margin: 0;"> <span id="LC1678" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- This is the right thing for casts involving data family instances and</span></span>
</pre>
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1661
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<td class="diff-line-num new_line" data-linenumber="1679" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1679
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<pre style="margin: 0;"> <span id="LC1679" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- their representation TyCon, though (which are not visible in source</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1680" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1698" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1680,7 +1698,7 @@ addCoreCt delta x e = do</td>
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1680
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<td class="diff-line-num new_line" data-linenumber="1698" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1698
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<pre style="margin: 0;"> <span id="LC1698" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- See Note [Detecting pattern synonym applications in expressions]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1681" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1681
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<td class="diff-line-num new_line" data-linenumber="1699" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1699
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<pre style="margin: 0;"> <span id="LC1699" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">e</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">isDataConId_maybe</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1682" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1682
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<td class="diff-line-num new_line" data-linenumber="1700" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1700
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<pre style="margin: 0;"> <span id="LC1700" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- We don't consider DataCons flexible variables</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1683" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1683
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<td class="diff-line-num new_line old" data-linenumber="1701" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1683" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">modifyT</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1684" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1701" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1701
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<pre style="margin: 0;">+<span id="LC1701" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">modifyT</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">y</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1684" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1684
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<td class="diff-line-num new_line" data-linenumber="1702" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1702
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<pre style="margin: 0;"> <span id="LC1702" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1685" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1685
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<td class="diff-line-num new_line" data-linenumber="1703" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1703
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<pre style="margin: 0;"> <span id="LC1703" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Any other expression. Try to find other uses of a semantically</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1686
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<td class="diff-line-num new_line" data-linenumber="1704" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1704
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<pre style="margin: 0;"> <span id="LC1704" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- equivalent expression and represent them by the same variable!</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1698" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1698,13 +1716,13 @@ addCoreCt delta x e = do</td>
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<td class="diff-line-num old_line" data-linenumber="1698" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1698
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<td class="diff-line-num new_line" data-linenumber="1716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1716
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<pre style="margin: 0;"> <span id="LC1716" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- see if we already encountered a constraint @let y = e'@ with @e'@</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1699" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1699
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<td class="diff-line-num new_line" data-linenumber="1717" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1717
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<pre style="margin: 0;"> <span id="LC1717" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- semantically equivalent to @e@, in which case we may add the constraint</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1700" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1700
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<td class="diff-line-num new_line" data-linenumber="1718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1718
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<pre style="margin: 0;"> <span id="LC1718" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- @x ~ y@.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1701" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1701
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<td class="diff-line-num new_line old" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1701" class="line" lang="haskell">    <span class="n" style="color: #333;">equate_with_similar_expr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1702" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1719
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<pre style="margin: 0;">+<span id="LC1719" class="line" lang="haskell">    <span class="n" style="color: #333;">equate_with_similar_expr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1702" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1702
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<td class="diff-line-num new_line" data-linenumber="1720" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1720
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<pre style="margin: 0;"> <span id="LC1720" class="line" lang="haskell">    <span class="n" style="color: #333;">equate_with_similar_expr</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1703" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1703
</td>
<td class="diff-line-num new_line old" data-linenumber="1721" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1703" class="line" lang="haskell">      <span class="n" style="color: #333;">rep</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">swap</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><$></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lift</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">representCoreExpr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1704" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1721" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1721
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<pre style="margin: 0;">+<span id="LC1721" class="line" lang="haskell">      <span class="n" style="color: #333;">rep</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">swap</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><$></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lift</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">representCoreExpr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1704" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1704
</td>
<td class="diff-line-num new_line" data-linenumber="1722" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1722
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<pre style="margin: 0;"> <span id="LC1722" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Note that @rep == x@ if we encountered @e@ for the first time.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1705" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1705
</td>
<td class="diff-line-num new_line old" data-linenumber="1723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1705" class="line" lang="haskell">      <span class="n" style="color: #333;">modifyT</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
</pre>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1706" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1723
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1723" class="line" lang="haskell">      <span class="n" style="color: #333;">modifyT</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addVarCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">rep</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1706" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1706
</td>
<td class="diff-line-num new_line" data-linenumber="1724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1724
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1724" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1707" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1707
</td>
<td class="diff-line-num new_line old" data-linenumber="1725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1707" class="line" lang="haskell">    <span class="n" style="color: #333;">bind_expr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1708" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1725
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1725" class="line" lang="haskell">    <span class="n" style="color: #333;">bind_expr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1708" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1708
</td>
<td class="diff-line-num new_line" data-linenumber="1726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1726
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<pre style="margin: 0;"> <span id="LC1726" class="line" lang="haskell">    <span class="n" style="color: #333;">bind_expr</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1709
</td>
<td class="diff-line-num new_line" data-linenumber="1727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1727
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<pre style="margin: 0;"> <span id="LC1727" class="line" lang="haskell">      <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lift</span> <span class="p">(</span><span class="n" style="color: #333;">lift</span> <span class="p">(</span><span class="n" style="color: #333;">mkPmId</span> <span class="p">(</span><span class="n" style="color: #333;">exprType</span> <span class="n" style="color: #333;">e</span><span class="p">)))</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1710" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1710
</td>
<td class="diff-line-num new_line" data-linenumber="1728" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1728
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<pre style="margin: 0;"> <span id="LC1728" class="line" lang="haskell">      <span class="n" style="color: #333;">core_expr</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">e</span></span>
</pre>
</td>
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<tr class="line_holder match" id="" style="line-height: 1.6;">
<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1712" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1712,10 +1730,12 @@ addCoreCt delta x e = do</td>
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<td class="diff-line-num old_line" data-linenumber="1712" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1712
</td>
<td class="diff-line-num new_line" data-linenumber="1730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1730
</td>
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<pre style="margin: 0;"> <span id="LC1730" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1713" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1713
</td>
<td class="diff-line-num new_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1731
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<pre style="margin: 0;"> <span id="LC1731" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | Look at @let x = K taus theta es@ and generate the following</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1714
</td>
<td class="diff-line-num new_line" data-linenumber="1732" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1732
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<pre style="margin: 0;"> <span id="LC1732" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- constraints (assuming universals were dropped from @taus@ before):</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1715" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1715
</td>
<td class="diff-line-num new_line old" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1715" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   1. @a_1 ~ tau_1, ..., a_n ~ tau_n@ for fresh @a_i@</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1716
</td>
<td class="diff-line-num new_line old" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
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<pre style="margin: 0;">-<span id="LC1716" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   2. @y_1 ~ e_1, ..., y_m ~ e_m@ for fresh @y_i@</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="1717" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1717
</td>
<td class="diff-line-num new_line old" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1717" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   3. @x ~ K as ys@</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1718
</td>
<td class="diff-line-num new_line old" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1718" class="line" lang="haskell">    <span class="n" style="color: #333;">data_con_app</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InScopeSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DataCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1733
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<pre style="margin: 0;">+<span id="LC1733" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   1. @x /~ ⊥@ if 'K' is not a Newtype constructor.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1734
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<pre style="margin: 0;">+<span id="LC1734" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   2. @a_1 ~ tau_1, ..., a_n ~ tau_n@ for fresh @a_i@</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1735
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1735" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   3. @y_1 ~ e_1, ..., y_m ~ e_m@ for fresh @y_i@</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1736
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1736" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--   4. @x ~ K as ys@</span></span>
</pre>
</td>
</tr>
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<td class="diff-line-num new old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1737" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1737
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<pre style="margin: 0;">+<span id="LC1737" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- This is quite similar to PmCheck.pmConCts.</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1738
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<pre style="margin: 0;">+<span id="LC1738" class="line" lang="haskell">    <span class="n" style="color: #333;">data_con_app</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">InScopeSet</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DataCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CoreExpr</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1719
</td>
<td class="diff-line-num new_line" data-linenumber="1739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1739
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<pre style="margin: 0;"> <span id="LC1739" class="line" lang="haskell">    <span class="n" style="color: #333;">data_con_app</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">in_scope</span> <span class="n" style="color: #333;">dc</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1720" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1720
</td>
<td class="diff-line-num new_line" data-linenumber="1740" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1740
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<pre style="margin: 0;"> <span id="LC1740" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">dc_ex_tvs</span>              <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dataConExTyCoVars</span> <span class="n" style="color: #333;">dc</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1721" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1721
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<td class="diff-line-num new_line" data-linenumber="1741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1741
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<pre style="margin: 0;"> <span id="LC1741" class="line" lang="haskell">          <span class="n" style="color: #333;">arty</span>                   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dataConSourceArity</span> <span class="n" style="color: #333;">dc</span></span>
</pre>
</td>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1745" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1725,20 +1745,27 @@ addCoreCt delta x e = do</td>
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<td class="diff-line-num old_line" data-linenumber="1725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1725
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<td class="diff-line-num new_line" data-linenumber="1745" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1745
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<pre style="margin: 0;"> <span id="LC1745" class="line" lang="haskell">      <span class="n" style="color: #333;">uniq_supply</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">lift</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">getUniqueSupplyM</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1726
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<td class="diff-line-num new_line" data-linenumber="1746" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1746
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<pre style="margin: 0;"> <span id="LC1746" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="n" style="color: #333;">ex_tvs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cloneTyVarBndrs</span> <span class="p">(</span><span class="n" style="color: #333;">mkEmptyTCvSubst</span> <span class="n" style="color: #333;">in_scope</span><span class="p">)</span> <span class="n" style="color: #333;">dc_ex_tvs</span> <span class="n" style="color: #333;">uniq_supply</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1727
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<td class="diff-line-num new_line" data-linenumber="1747" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1747
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<pre style="margin: 0;"> <span id="LC1747" class="line" lang="haskell">          <span class="n" style="color: #333;">ty_cts</span>      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">equateTys</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">mkTyVarTy</span> <span class="n" style="color: #333;">ex_tvs</span><span class="p">)</span> <span class="n" style="color: #333;">ex_tys</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1728" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1728
</td>
<td class="diff-line-num new_line old" data-linenumber="1748" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1728" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 1. @a_1 ~ tau_1, ..., a_n ~ tau_n@ for fresh @a_i@. See also #17703</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1729" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1729
</td>
<td class="diff-line-num new_line old" data-linenumber="1748" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1729" class="line" lang="haskell">      <span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">delta</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">addPmCts</span> <span class="n" style="color: #333;">delta</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">ty_cts</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1730
</td>
<td class="diff-line-num new_line old" data-linenumber="1748" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1730" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 2. @y_1 ~ e_1, ..., y_m ~ e_m@ for fresh @y_i@</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1748" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1748
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1748" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 1. @x /~ ⊥@ if 'K' is not a Newtype constructor (#18341)</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1749" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1749
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1749" class="line" lang="haskell">      <span class="n" style="color: #333;">when</span> <span class="p">(</span><span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isNewDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span> <span class="o" style="font-weight: 600;">$</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1750" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1750
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1750" class="line" lang="haskell">        <span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">addNotBotCt</span> <span class="n" style="color: #333;">nabla</span> <span class="n" style="color: #333;">x</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1751" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1751
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1751" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 2. @a_1 ~ tau_1, ..., a_n ~ tau_n@ for fresh @a_i@. See also #17703</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1752" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1752
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1752" class="line" lang="haskell">      <span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">addPmCts</span> <span class="n" style="color: #333;">nabla</span> <span class="p">(</span><span class="n" style="color: #333;">listToBag</span> <span class="n" style="color: #333;">ty_cts</span><span class="p">)</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1753" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1753
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1753" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- 3. @y_1 ~ e_1, ..., y_m ~ e_m@ for fresh @y_i@</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1731
</td>
<td class="diff-line-num new_line" data-linenumber="1754" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1754
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<pre style="margin: 0;"> <span id="LC1754" class="line" lang="haskell">      <span class="n" style="color: #333;">arg_ids</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">bind_expr</span> <span class="n" style="color: #333;">vis_args</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1732" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1732
</td>
<td class="diff-line-num new_line old" data-linenumber="1755" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1732" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">3</span>. @x ~ K as ys@</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1755" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1755
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC1755" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">4</span>. @x ~ K as ys@</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1733
</td>
<td class="diff-line-num new_line" data-linenumber="1756" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1756
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<pre style="margin: 0;"> <span id="LC1756" class="line" lang="haskell">      <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span> <span class="n" style="color: #333;">ex_tvs</span> <span class="n" style="color: #333;">arg_ids</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1734
</td>
<td class="diff-line-num new_line" data-linenumber="1757" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1757
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1757" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder" id="" style="line-height: 1.6;">
<td class="diff-line-num old_line" data-linenumber="1735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1735
</td>
<td class="diff-line-num new_line" data-linenumber="1758" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1758
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1758" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | Adds a literal constraint, i.e. @x ~ 42@.</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="1736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1736
</td>
<td class="diff-line-num new_line old" data-linenumber="1759" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1736" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_lit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmLit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1737" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1737
</td>
<td class="diff-line-num new_line old" data-linenumber="1759" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1737" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_lit</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">lit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span> <span class="n" style="color: #333;">lit</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1759" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1759
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<pre style="margin: 0;">+<span id="LC1759" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Also we assume that literal expressions won't diverge, so this</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1760" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1760
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<pre style="margin: 0;">+<span id="LC1760" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- will add a @x ~/ ⊥@ constraint.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1761" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1761
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<pre style="margin: 0;">+<span id="LC1761" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_lit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmLit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1762
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<pre style="margin: 0;">+<span id="LC1762" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_lit</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">lit</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1763
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<pre style="margin: 0;">+<span id="LC1763" class="line" lang="haskell">      <span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">nabla</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">addNotBotCt</span> <span class="n" style="color: #333;">nabla</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1764" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1764
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<pre style="margin: 0;">+<span id="LC1764" class="line" lang="haskell">      <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span> <span class="n" style="color: #333;">lit</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1738" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1738
</td>
<td class="diff-line-num new_line" data-linenumber="1765" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1765
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<pre style="margin: 0;"> <span id="LC1765" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1739" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1739
</td>
<td class="diff-line-num new_line" data-linenumber="1766" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1766
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<pre style="margin: 0;"> <span id="LC1766" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- | Adds the given constructor application as a solution for @x@.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="1740" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1740
</td>
<td class="diff-line-num new_line old" data-linenumber="1767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC1740" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyVar</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="1741" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1741
</td>
<td class="diff-line-num new_line old" data-linenumber="1767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC1741" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1767" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1767
</td>
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<pre style="margin: 0;">+<span id="LC1767" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TyVar</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MaybeT</span> <span class="kt" style="color: #458; font-weight: 600;">DsM</span><span class="p">)</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="1742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1768" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1768
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<pre style="margin: 0;">+<span id="LC1768" class="line" lang="haskell">    <span class="n" style="color: #333;">pm_alt_con_app</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">addConCt</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">tvs</span> <span class="n" style="color: #333;">args</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="1742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1742
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<td class="diff-line-num new_line" data-linenumber="1769" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1769
</td>
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<pre style="margin: 0;"> <span id="LC1769" class="line" lang="haskell"></span>
</pre>
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1743
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<pre style="margin: 0;"> <span id="LC1770" class="line" lang="haskell"><span class="cd">-- | Like 'modify', but with an effectful modifier action</span></span>
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1744
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<pre style="margin: 0;"> <span id="LC1771" class="line" lang="haskell"><span class="n" style="color: #333;">modifyT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Monad</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=></span> <span class="p">(</span><span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">StateT</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">m</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<br>
</li>
<li id="16160f179df308e914fffee87ce52c9a048bde89">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#16160f179df308e914fffee87ce52c9a048bde89"><strong>compiler/GHC/HsToCore/PmCheck/Ppr.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2,7 +2,7 @@</td>
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"></span>
</pre>
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5
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<td class="diff-line-num new_line old" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC5" class="line" lang="haskell"><span class="cd">-- | Provides factilities for pretty-printing '<span class="idiff left right">Delt</span>a's in a way appropriate for</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="cd">-- | Provides factilities for pretty-printing '<span class="idiff left right">Nabl</span>a's in a way appropriate for</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- user facing pattern match warnings.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Ppr</span> <span class="p">(</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">pprUncovered</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -42,8 +42,8 @@ import GHC.HsToCore.PmCheck.Oracle</td>
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<td class="diff-line-num old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- When the set of refutable shapes contains more than 3 elements, the</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- additional elements are indicated by "...".</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC45" class="line" lang="haskell"><span class="n" style="color: #333;">pprUncovered</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC46" class="line" lang="haskell"><span class="n" style="color: #333;">pprUncovered</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">vas</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
45
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<pre style="margin: 0;">+<span id="LC45" class="line" lang="haskell"><span class="n" style="color: #333;">pprUncovered</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC46" class="line" lang="haskell"><span class="n" style="color: #333;">pprUncovered</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">vas</span></span>
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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isNullUDFM</span> <span class="n" style="color: #333;">refuts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fsep</span> <span class="n" style="color: #333;">vec</span> <span class="c1" style="color: #998; font-style: italic;">-- there are no refutations</span></span>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>         <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hang</span> <span class="p">(</span><span class="n" style="color: #333;">fsep</span> <span class="n" style="color: #333;">vec</span><span class="p">)</span> <span class="mi" style="color: #099;">4</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell">                          <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"where"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">vcat</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">pprRefutableShapes</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">snd</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">udfmToList</span> <span class="n" style="color: #333;">refuts</span><span class="p">))</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -54,8 +54,8 @@ pprUncovered delta vas</td>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="p">[</span><span class="kr" style="font-weight: 600;">_</span><span class="p">]</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">vas</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">topPrec</span></span>
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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">appPrec</span></span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell">    <span class="n" style="color: #333;">ppr_action</span>       <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mapM</span> <span class="p">(</span><span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">init_prec</span><span class="p">)</span> <span class="n" style="color: #333;">vas</span></span>
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<pre style="margin: 0;">-<span id="LC57" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">vec</span><span class="p">,</span> <span class="n" style="color: #333;">renamings</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runPmPpr</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">ppr_action</span></span>
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<pre style="margin: 0;">-<span id="LC58" class="line" lang="haskell">    <span class="n" style="color: #333;">refuts</span>           <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">prettifyRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">renamings</span></span>
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<pre style="margin: 0;">+<span id="LC57" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">vec</span><span class="p">,</span> <span class="n" style="color: #333;">renamings</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">runPmPpr</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">ppr_action</span></span>
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<pre style="margin: 0;">+<span id="LC58" class="line" lang="haskell">    <span class="n" style="color: #333;">refuts</span>           <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">prettifyRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">renamings</span></span>
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell"><span class="cd">-- | Output refutable shapes of a variable in the form of @var is not one of {2,</span></span>
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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Nothing, 3}@. Will never print more than 3 refutable shapes, the tail is</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -98,21 +98,21 @@ substitution to the vectors before printing them out (see function `pprOne' in</td>
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC99" class="line" lang="haskell"><span class="cd">-- | Extract and assigns pretty names to constraint variables with refutable</span></span>
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100
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- shapes.</span></span>
</pre>
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101
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<pre style="margin: 0;">-<span id="LC101" class="line" lang="haskell"><span class="n" style="color: #333;">prettifyRefuts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">])</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
102
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<pre style="margin: 0;">-<span id="LC102" class="line" lang="haskell"><span class="n" style="color: #333;">prettifyRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">listToUDFM_Directly</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">attach_refuts</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">udfmToList</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC101" class="line" lang="haskell"><span class="n" style="color: #333;">prettifyRefuts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC102" class="line" lang="haskell"><span class="n" style="color: #333;">prettifyRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">listToUDFM_Directly</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">attach_refuts</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">udfmToList</span></span>
</pre>
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103
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103
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<pre style="margin: 0;"> <span id="LC103" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
104
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<pre style="margin: 0;">-<span id="LC104" class="line" lang="haskell">    <span class="n" style="color: #333;">attach_refuts</span> <span class="p">(</span><span class="n" style="color: #333;">u</span><span class="p">,</span> <span class="n" style="color: #333;">sdoc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">u</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">sdoc</span><span class="p">,</span> <span class="n" style="color: #333;">lookupRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">u</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell">    <span class="n" style="color: #333;">attach_refuts</span> <span class="p">(</span><span class="n" style="color: #333;">u</span><span class="p">,</span> <span class="n" style="color: #333;">sdoc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">u</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">sdoc</span><span class="p">,</span> <span class="n" style="color: #333;">lookupRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">u</span><span class="p">))</span></span>
</pre>
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105
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105
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<pre style="margin: 0;"> <span id="LC105" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
106
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106
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<pre style="margin: 0;"> <span id="LC106" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
107
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<pre style="margin: 0;">-<span id="LC107" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RWS</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="nb" style="color: #0086b3;">()</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">])</span> <span class="n" style="color: #333;">a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC107" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RWS</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="nb" style="color: #0086b3;">()</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">,</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">])</span> <span class="n" style="color: #333;">a</span></span>
</pre>
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108
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108
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<pre style="margin: 0;"> <span id="LC108" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
109
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109
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<pre style="margin: 0;"> <span id="LC109" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Try nice names p,q,r,s,t before using the (ugly) t_i</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
110
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110
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<pre style="margin: 0;"> <span id="LC110" class="line" lang="haskell"><span class="n" style="color: #333;">nameList</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">]</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
111
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111
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<pre style="margin: 0;"> <span id="LC111" class="line" lang="haskell"><span class="n" style="color: #333;">nameList</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">text</span> <span class="p">[</span><span class="s" style="color: #d14;">"p"</span><span class="p">,</span><span class="s" style="color: #d14;">"q"</span><span class="p">,</span><span class="s" style="color: #d14;">"r"</span><span class="p">,</span><span class="s" style="color: #d14;">"s"</span><span class="p">,</span><span class="s" style="color: #d14;">"t"</span><span class="p">]</span> <span class="o" style="font-weight: 600;">++</span></span>
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="haskell">            <span class="p">[</span> <span class="n" style="color: #333;">text</span> <span class="p">(</span><span class="sc" style="color: #d14;">'t'</span><span class="o" style="font-weight: 600;">:</span><span class="n" style="color: #333;">show</span> <span class="n" style="color: #333;">u</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">u</span> <span class="o" style="font-weight: 600;"><-</span> <span class="p">[(</span><span class="mi" style="color: #099;">0</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span><span class="o" style="font-weight: 600;">..</span><span class="p">]</span> <span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC113" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC114" class="line" lang="haskell"><span class="n" style="color: #333;">runPmPpr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC115" class="line" lang="haskell"><span class="n" style="color: #333;">runPmPpr</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">case</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">runRWS</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span> <span class="p">(</span><span class="n" style="color: #333;">emptyDVarEnv</span><span class="p">,</span> <span class="n" style="color: #333;">nameList</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell"><span class="n" style="color: #333;">runPmPpr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">DIdEnv</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC115" class="line" lang="haskell"><span class="n" style="color: #333;">runPmPpr</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">case</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">runRWS</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span> <span class="p">(</span><span class="n" style="color: #333;">emptyDVarEnv</span><span class="p">,</span> <span class="n" style="color: #333;">nameList</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC116" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">renamings</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">),</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">renamings</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC118" class="line" lang="haskell"><span class="cd">-- | Allocates a new, clean name for the given 'Id' if it doesn't already have</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -129,8 +129,8 @@ getCleanName x = do</td>
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<pre style="margin: 0;"> <span id="LC129" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell"><span class="n" style="color: #333;">checkRefuts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- the clean name if it has negative info attached</span></span>
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<pre style="margin: 0;"> <span id="LC131" class="line" lang="haskell"><span class="n" style="color: #333;">checkRefuts</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC132" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ask</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC133" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">lookupRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC132" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ask</span></span>
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">lookupRefuts</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC134" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pure</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="c1" style="color: #998; font-style: italic;">-- Will just be a wildcard later on</span></span>
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<pre style="margin: 0;"> <span id="LC135" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">_</span>  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">getCleanName</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC136" class="line" lang="haskell"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -144,8 +144,8 @@ pprPmVar :: PprPrec -> Id -> PmPprM SDoc</td>
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<pre style="margin: 0;"> <span id="LC144" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The useful information in the latter case is the constructor that we missed,</span></span>
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<pre style="margin: 0;"> <span id="LC145" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- not the types of the wildcards in the places that aren't matched as a result.</span></span>
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<pre style="margin: 0;"> <span id="LC146" class="line" lang="haskell"><span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">prec</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC147" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ask</span></span>
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<pre style="margin: 0;">-<span id="LC148" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">lookupSolution</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">x</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;">+<span id="LC147" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ask</span></span>
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<pre style="margin: 0;">+<span id="LC148" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">lookupSolution</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">x</span> <span class="kr" style="font-weight: 600;">of</span></span>
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<pre style="margin: 0;"> <span id="LC149" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">alt</span><span class="p">,</span> <span class="n" style="color: #333;">_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">pprPmAltCon</span> <span class="n" style="color: #333;">prec</span> <span class="n" style="color: #333;">alt</span> <span class="n" style="color: #333;">args</span></span>
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<pre style="margin: 0;"> <span id="LC150" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">Nothing</span>          <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">fromMaybe</span> <span class="n" style="color: #333;">typed_wildcard</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">checkRefuts</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC151" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">where</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -160,24 +160,24 @@ pprPmVar prec x = do</td>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell"><span class="n" style="color: #333;">pprPmAltCon</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">PprPrec</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell"><span class="n" style="color: #333;">pprPmAltCon</span> <span class="n" style="color: #333;">_prec</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span> <span class="n" style="color: #333;">l</span><span class="p">)</span>      <span class="kr" style="font-weight: 600;">_</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">l</span><span class="p">)</span></span>
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162
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<pre style="margin: 0;"> <span id="LC162" class="line" lang="haskell"><span class="n" style="color: #333;">pprPmAltCon</span> <span class="n" style="color: #333;">prec</span>  <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">cl</span><span class="p">)</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC163" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ask</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC164" class="line" lang="haskell">  <span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">prec</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC163" class="line" lang="haskell">  <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ask</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC164" class="line" lang="haskell">  <span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">prec</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">-<span id="LC166" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PprPrec</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ConLike</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC167" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">_prec</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;">-<span id="LC168" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">pm_expr_list</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pmExprAsList</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">cl</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC166" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PprPrec</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ConLike</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmPprM</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC167" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">_prec</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="168" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC168" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">pm_expr_list</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pmExprAsList</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">cl</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC169" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">pm_expr_list</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC170" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">NilTerminated</span> <span class="n" style="color: #333;">list</span> <span class="o" style="font-weight: 600;">-></span></span>
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171
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<pre style="margin: 0;"> <span id="LC171" class="line" lang="haskell">        <span class="n" style="color: #333;">brackets</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fsep</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">mapM</span> <span class="p">(</span><span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">appPrec</span><span class="p">)</span> <span class="n" style="color: #333;">list</span></span>
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172
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<pre style="margin: 0;"> <span id="LC172" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">WcVarTerminated</span> <span class="n" style="color: #333;">pref</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span></span>
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173
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<pre style="margin: 0;"> <span id="LC173" class="line" lang="haskell">        <span class="n" style="color: #333;">parens</span>   <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fcat</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">colon</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">mapM</span> <span class="p">(</span><span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">appPrec</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">toList</span> <span class="n" style="color: #333;">pref</span> <span class="o" style="font-weight: 600;">++</span> <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">])</span></span>
</pre>
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174
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<td class="diff-line-num new_line old" data-linenumber="174" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC174" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;">_<span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">_prec</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="175" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC174" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;">_<span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">_prec</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC175" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isUnboxedTupleCon</span> <span class="n" style="color: #333;">con</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC176" class="line" lang="haskell">  <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">hash_parens</span> <span class="n" style="color: #333;">doc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"(#"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">doc</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"#)"</span></span>
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177
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<pre style="margin: 0;"> <span id="LC177" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hash_parens</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fsep</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">mapM</span> <span class="p">(</span><span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">appPrec</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC178" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isTupleDataCon</span> <span class="n" style="color: #333;">con</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC179" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">parens</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">fsep</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">mapM</span> <span class="p">(</span><span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">appPrec</span><span class="p">)</span> <span class="n" style="color: #333;">args</span></span>
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<pre style="margin: 0;">-<span id="LC180" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;">_<span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">prec</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC180" class="line" lang="haskell"><span class="n" style="color: #333;">pprConLike</span> <span class="n" style="color: #333;">_<span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">prec</span> <span class="n" style="color: #333;">cl</span> <span class="n" style="color: #333;">args</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">conLikeIsInfix</span> <span class="n" style="color: #333;">cl</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">args</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC182" class="line" lang="haskell">      <span class="p">[</span><span class="n" style="color: #333;">x</span><span class="p">,</span> <span class="n" style="color: #333;">y</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">x'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">funPrec</span> <span class="n" style="color: #333;">x</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC183" class="line" lang="haskell">                   <span class="n" style="color: #333;">y'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pprPmVar</span> <span class="n" style="color: #333;">funPrec</span> <span class="n" style="color: #333;">y</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -202,11 +202,11 @@ data PmExprList</td>
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<pre style="margin: 0;"> <span id="LC202" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   ending in a wildcard variable x (of list type). Should be pretty-printed as</span></span>
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   (1:2:_).</span></span>
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<pre style="margin: 0;"> <span id="LC204" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- * @pmExprAsList [] == Just ('NilTerminated' [])@</span></span>
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<pre style="margin: 0;">-<span id="LC205" class="line" lang="haskell"><span class="n" style="color: #333;">pmExprAsList</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">PmExprList</span></span>
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<pre style="margin: 0;">-<span id="LC206" class="line" lang="haskell"><span class="n" style="color: #333;">pmExprAsList</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go_con</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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<pre style="margin: 0;">+<span id="LC205" class="line" lang="haskell"><span class="n" style="color: #333;">pmExprAsList</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Id</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">PmExprList</span></span>
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<pre style="margin: 0;">+<span id="LC206" class="line" lang="haskell"><span class="n" style="color: #333;">pmExprAsList</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go_con</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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<pre style="margin: 0;"> <span id="LC207" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC208" class="line" lang="haskell">    <span class="n" style="color: #333;">go_var</span> <span class="n" style="color: #333;">rev_pref</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;">-<span id="LC209" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">alt</span><span class="p">,</span> <span class="n" style="color: #333;">_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupSolution</span> <span class="n" style="color: #333;"><span class="idiff left right">delt</span>a</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;">+<span id="LC209" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="n" style="color: #333;">alt</span><span class="p">,</span> <span class="n" style="color: #333;">_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">args</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupSolution</span> <span class="n" style="color: #333;"><span class="idiff left right">nabl</span>a</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go_con</span> <span class="n" style="color: #333;">rev_pref</span> <span class="n" style="color: #333;">alt</span> <span class="n" style="color: #333;">args</span></span>
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell">    <span class="n" style="color: #333;">go_var</span> <span class="n" style="color: #333;">rev_pref</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">pref</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">nonEmpty</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">rev_pref</span><span class="p">)</span></span>
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</li>
<li id="a90b29966ba2a86c0f6927651648cb062f00ea03">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#a90b29966ba2a86c0f6927651648cb062f00ea03"><strong>compiler/GHC/HsToCore/PmCheck/Types.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -15,6 +15,7 @@ Author: George Karachalias <george.karachalias@cs.kuleuven.be></td>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">GHC.HsToCore.PmCheck.Types</span> <span class="p">(</span></span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * Representations for Literals and AltCons</span></span>
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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">PmLit</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">PmLitValue</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">pmLitType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pmAltConType</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isPmAltConMatchStrict</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pmAltConImplBangs</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- ** Equality on 'PmAltCon's</span></span>
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<pre style="margin: 0;"> <span id="LC21" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">PmEquality</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span> <span class="nf" style="color: #900; font-weight: 600;">eqPmAltCon</span><span class="p">,</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="35" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -35,8 +36,8 @@ module GHC.HsToCore.PmCheck.Types (</td>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">setIndirectSDIE</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">setEntrySDIE</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">traverseSDIE</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * The pattern match oracle</span></span>
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<pre style="margin: 0;">-<span id="LC38" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">VarInfo</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmState</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TyState</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>
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<pre style="margin: 0;">-<span id="LC39" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">initDeltas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">liftDelt</span>asM</span></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">BotInfo</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">VarInfo</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TmState</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">TyState</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">),</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">initNablas</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff right">liftNabl</span>asM</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="haskell">    <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"HsVersions.h"</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -226,6 +227,19 @@ pmAltConType :: PmAltCon -> [Type] -> Type</td>
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<pre style="margin: 0;"> <span id="LC227" class="line" lang="haskell"><span class="n" style="color: #333;">pmAltConType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span> <span class="n" style="color: #333;">lit</span><span class="p">)</span>     <span class="n" style="color: #333;">_arg_tys</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ASSERT</span><span class="p">(</span> <span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">_arg_tys</span> <span class="p">)</span> <span class="n" style="color: #333;">pmLitType</span> <span class="n" style="color: #333;">lit</span></span>
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<pre style="margin: 0;"> <span id="LC228" class="line" lang="haskell"><span class="n" style="color: #333;">pmAltConType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="n" style="color: #333;">arg_tys</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">conLikeResTy</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">arg_tys</span></span>
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<pre style="margin: 0;"> <span id="LC229" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC230" class="line" lang="haskell"><span class="cd">-- | Is a match on this constructor forcing the match variable?</span></span>
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<pre style="margin: 0;">+<span id="LC231" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- True of data constructors, literals and pattern synonyms (#17357), but not of</span></span>
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<pre style="margin: 0;">+<span id="LC232" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- newtypes.</span></span>
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<pre style="margin: 0;">+<span id="LC233" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Coverage checking Newtype matches] in "GHC.HsToCore.PmCheck.Oracle".</span></span>
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<pre style="margin: 0;">+<span id="LC234" class="line" lang="haskell"><span class="n" style="color: #333;">isPmAltConMatchStrict</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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<pre style="margin: 0;">+<span id="LC235" class="line" lang="haskell"><span class="n" style="color: #333;">isPmAltConMatchStrict</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span><span class="p">{}</span>                      <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
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<pre style="margin: 0;">+<span id="LC236" class="line" lang="haskell"><span class="n" style="color: #333;">isPmAltConMatchStrict</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="kt" style="color: #458; font-weight: 600;">PatSynCon</span><span class="p">{})</span>      <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="c1" style="color: #998; font-style: italic;">-- #17357</span></span>
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<pre style="margin: 0;">+<span id="LC237" class="line" lang="haskell"><span class="n" style="color: #333;">isPmAltConMatchStrict</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RealDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">isNewDataCon</span> <span class="n" style="color: #333;">dc</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC238" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC239" class="line" lang="haskell"><span class="n" style="color: #333;">pmAltConImplBangs</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltCon</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HsImplBang</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC240" class="line" lang="haskell"><span class="n" style="color: #333;">pmAltConImplBangs</span> <span class="kt" style="color: #458; font-weight: 600;">PmAltLit</span><span class="p">{}</span>         <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>
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<pre style="margin: 0;">+<span id="LC241" class="line" lang="haskell"><span class="n" style="color: #333;">pmAltConImplBangs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PmAltConLike</span> <span class="n" style="color: #333;">con</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">conLikeImplBangs</span> <span class="n" style="color: #333;">con</span></span>
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<pre style="margin: 0;">+<span id="LC242" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC243" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- Note [Undecidable Equality for PmAltCons]</span></span>
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<pre style="margin: 0;"> <span id="LC244" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>
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<pre style="margin: 0;"> <span id="LC245" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Equality on overloaded literals is undecidable in the general case. Consider</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -477,6 +491,13 @@ instance Outputable a => Outputable (Shared a) where</td>
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<pre style="margin: 0;"> <span id="LC491" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SharedDIdEnv</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;"> <span id="LC492" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SDIE</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">env</span></span>
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<pre style="margin: 0;"> <span id="LC493" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC494" class="line" lang="haskell"><span class="cd">-- | See 'vi_bot'.</span></span>
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<pre style="margin: 0;">+<span id="LC495" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">BotInfo</span></span>
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<pre style="margin: 0;">+<span id="LC496" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IsBot</span></span>
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<pre style="margin: 0;">+<span id="LC497" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span></span>
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<pre style="margin: 0;">+<span id="LC498" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span></span>
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<pre style="margin: 0;">+<span id="LC499" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">deriving</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span></span>
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<pre style="margin: 0;">+<span id="LC500" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC501" class="line" lang="haskell"><span class="cd">-- | The term oracle state. Stores 'VarInfo' for encountered 'Id's. These</span></span>
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<pre style="margin: 0;"> <span id="LC502" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- entries are possibly shared when we figure out that two variables must be</span></span>
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<pre style="margin: 0;"> <span id="LC503" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- equal, thus represent the same set of values.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -531,6 +552,13 @@ data VarInfo</td>
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531
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552
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<pre style="margin: 0;"> <span id="LC552" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- because files like Cabal's `LicenseId` define relatively huge enums</span></span>
</pre>
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532
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<td class="diff-line-num new_line" data-linenumber="553" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
553
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<pre style="margin: 0;"> <span id="LC553" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- that lead to quadratic or worse behavior.</span></span>
</pre>
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533
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<td class="diff-line-num new_line" data-linenumber="554" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
554
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<pre style="margin: 0;"> <span id="LC554" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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555
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<pre style="margin: 0;">+<span id="LC555" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">vi_bot</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">BotInfo</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="556" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
556
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<pre style="margin: 0;">+<span id="LC556" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ Can this variable be ⊥? Models (mutually contradicting) @x ~ ⊥@ and</span></span>
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<td class="diff-line-num new new_line" data-linenumber="557" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
557
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<pre style="margin: 0;">+<span id="LC557" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--   @x ~/ ⊥@ constraints. E.g.</span></span>
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558
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<pre style="margin: 0;">+<span id="LC558" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--    * 'MaybeBot': Don't know; Neither @x ~ ⊥@ nor @x /~ ⊥@.</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="559" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
559
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<pre style="margin: 0;">+<span id="LC559" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--    * 'IsBot': @x ~ ⊥@</span></span>
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560
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<pre style="margin: 0;">+<span id="LC560" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">--    * 'IsNotBot': @x /~ ⊥@</span></span>
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<td class="diff-line-num new new_line" data-linenumber="561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
561
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<pre style="margin: 0;">+<span id="LC561" class="line" lang="haskell"></span>
</pre>
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534
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<td class="diff-line-num new_line" data-linenumber="562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
562
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<pre style="margin: 0;"> <span id="LC562" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">vi_cache</span> <span class="o" style="font-weight: 600;">::</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">PossibleMatches</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="535" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
535
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563
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<pre style="margin: 0;"> <span id="LC563" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ^ A cache of the associated COMPLETE sets. At any time a superset of</span></span>
</pre>
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536
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<td class="diff-line-num new_line" data-linenumber="564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
564
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<pre style="margin: 0;"> <span id="LC564" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- possible constructors of each COMPLETE set. So, if it's not in here, we</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -538,14 +566,19 @@ data VarInfo</td>
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538
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566
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<pre style="margin: 0;"> <span id="LC566" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- to recognise completion of a COMPLETE set efficiently for large enums.</span></span>
</pre>
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539
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567
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<pre style="margin: 0;"> <span id="LC567" class="line" lang="haskell">  <span class="p">}</span></span>
</pre>
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540
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568
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<pre style="margin: 0;"> <span id="LC568" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
569
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<pre style="margin: 0;">+<span id="LC569" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">BotInfo</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
570
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<pre style="margin: 0;">+<span id="LC570" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="kt" style="color: #458; font-weight: 600;">MaybeBot</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">empty</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="571" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
571
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<pre style="margin: 0;">+<span id="LC571" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="kt" style="color: #458; font-weight: 600;">IsBot</span>    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"~⊥"</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="572" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
572
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<pre style="margin: 0;">+<span id="LC572" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="kt" style="color: #458; font-weight: 600;">IsNotBot</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"/~⊥"</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="573" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
573
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<pre style="margin: 0;">+<span id="LC573" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="541" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
541
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<td class="diff-line-num new_line" data-linenumber="574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
574
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<pre style="margin: 0;"> <span id="LC574" class="line" lang="haskell"><span class="cd">-- | Not user-facing.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="542" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
542
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<td class="diff-line-num new_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
575
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<pre style="margin: 0;"> <span id="LC575" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">TmState</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="543" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
543
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<td class="diff-line-num new_line" data-linenumber="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
576
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<pre style="margin: 0;"> <span id="LC576" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TmSt</span> <span class="n" style="color: #333;">state</span> <span class="n" style="color: #333;">reps</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">state</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">reps</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="544" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
544
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<td class="diff-line-num new_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
577
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<pre style="margin: 0;"> <span id="LC577" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="545" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
545
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<td class="diff-line-num new_line" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
578
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<pre style="margin: 0;"> <span id="LC578" class="line" lang="haskell"><span class="cd">-- | Not user-facing.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="546" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
546
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<td class="diff-line-num new_line" data-linenumber="579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
579
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<pre style="margin: 0;"> <span id="LC579" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">VarInfo</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="547" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
547
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<td class="diff-line-num new_line old" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC547" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">pos</span> <span class="n" style="color: #333;">neg</span> <span class="n" style="color: #333;">cache</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="548" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
548
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<td class="diff-line-num new_line old" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC548" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">braces</span> <span class="p">(</span><span class="n" style="color: #333;">hcat</span> <span class="p">(</span><span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="p">[</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">pos</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">neg</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">cache</span><span class="p">]))</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
580
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC580" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">VI</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">pos</span> <span class="n" style="color: #333;">neg</span> <span class="n" style="color: #333;"><span class="idiff left">bot</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">cache</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="549" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
581
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<pre style="margin: 0;">+<span id="LC581" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">braces</span> <span class="p">(</span><span class="n" style="color: #333;">hcat</span> <span class="p">(</span><span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="p">[</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">pos</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">neg</span><span class="p">,</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left">bot</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ppr</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">cache</span><span class="p">]))</span></span>
</pre>
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549
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<td class="diff-line-num new_line" data-linenumber="582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
582
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<pre style="margin: 0;"> <span id="LC582" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="550" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
550
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<td class="diff-line-num new_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
583
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<pre style="margin: 0;"> <span id="LC583" class="line" lang="haskell"><span class="cd">-- | Initial state of the term oracle.</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="551" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
551
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<td class="diff-line-num new_line" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
584
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<pre style="margin: 0;"> <span id="LC584" class="line" lang="haskell"><span class="n" style="color: #333;">initTmState</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TmState</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -563,37 +596,38 @@ instance Outputable TyState where</td>
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563
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<td class="diff-line-num new_line" data-linenumber="596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC596" class="line" lang="haskell"><span class="n" style="color: #333;">initTyState</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyState</span></span>
</pre>
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564
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597
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<pre style="margin: 0;"> <span id="LC597" class="line" lang="haskell"><span class="n" style="color: #333;">initTyState</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TySt</span> <span class="n" style="color: #333;">emptyBag</span></span>
</pre>
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565
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<td class="diff-line-num new_line" data-linenumber="598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
598
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<pre style="margin: 0;"> <span id="LC598" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
566
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<td class="diff-line-num new_line old" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC566" class="line" lang="haskell"><span class="cd">-- | An inert set of canonical (i.e. mutually compatible) term and type</span></span>
</pre>
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567
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<td class="diff-line-num new_line old" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC567" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- constraints.</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
568
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<td class="diff-line-num new_line old" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC568" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Delta</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MkDelta</span> <span class="p">{</span> <span class="n" style="color: #333;">delta_ty_st</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyState</span>    <span class="c1" style="color: #998; font-style: italic;">-- Type oracle; things like a~Int</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
569
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<td class="diff-line-num new_line old" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC569" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">delta_tm_st</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TmState</span> <span class="p">}</span>  <span class="c1" style="color: #998; font-style: italic;">-- Term oracle; things like x~Nothing</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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599
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<pre style="margin: 0;">+<span id="LC599" class="line" lang="haskell"><span class="cd">-- | A normalised refinement type, comprised of an inert set of canonical (i.e.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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600
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<pre style="margin: 0;">+<span id="LC600" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- mutually compatible) term and type constraints that form the refinement</span></span>
</pre>
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601
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<pre style="margin: 0;">+<span id="LC601" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- type's predicate.</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC602" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Nabla</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MkNabla</span> <span class="p">{</span> <span class="n" style="color: #333;">nabla_ty_st</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TyState</span>    <span class="c1" style="color: #998; font-style: italic;">-- Type oracle; things like a~Int</span></span>
</pre>
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603
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<pre style="margin: 0;">+<span id="LC603" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">nabla_tm_st</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TmState</span> <span class="p">}</span>  <span class="c1" style="color: #998; font-style: italic;">-- Term oracle; things like x~Nothing</span></span>
</pre>
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570
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<pre style="margin: 0;"> <span id="LC604" class="line" lang="haskell"></span>
</pre>
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571
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<pre style="margin: 0;">-<span id="LC571" class="line" lang="haskell"><span class="cd">-- | An initial <span class="idiff left right">delt</span>a that is always satisfiable</span></span>
</pre>
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572
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<td class="diff-line-num new_line old" data-linenumber="605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC572" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span></span>
</pre>
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573
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<pre style="margin: 0;">-<span id="LC573" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkDelt</span>a</span> <span class="n" style="color: #333;">initTyState</span> <span class="n" style="color: #333;">initTmState</span></span>
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605
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<pre style="margin: 0;">+<span id="LC605" class="line" lang="haskell"><span class="cd">-- | An initial <span class="idiff left right">nabl</span>a that is always satisfiable</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
606
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<pre style="margin: 0;">+<span id="LC606" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC607" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkNabl</span>a</span> <span class="n" style="color: #333;">initTyState</span> <span class="n" style="color: #333;">initTmState</span></span>
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<td class="diff-line-num old_line" data-linenumber="574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
574
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<td class="diff-line-num new_line" data-linenumber="608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
608
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC608" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
575
</td>
<td class="diff-line-num new_line old" data-linenumber="609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC575" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
576
</td>
<td class="diff-line-num new_line old" data-linenumber="609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC576" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left">delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">hang</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">text</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"Delt</span>a"</span><span class="p">)</span> <span class="mi" style="color: #099;">2</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">vcat</span> <span class="p">[</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
609
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC609" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
610
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC610" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;"><span class="idiff left">nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">hang</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">text</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff right">"Nabl</span>a"</span><span class="p">)</span> <span class="mi" style="color: #099;">2</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">vcat</span> <span class="p">[</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
577
</td>
<td class="diff-line-num new_line" data-linenumber="611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
611
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC611" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- intentionally formatted this way enable the dev to comment in only</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
578
</td>
<td class="diff-line-num new_line" data-linenumber="612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
612
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC612" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- the info she needs</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
579
</td>
<td class="diff-line-num new_line old" data-linenumber="613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC579" class="line" lang="haskell">      <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta_tm_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span><span class="p">),</span></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
580
</td>
<td class="diff-line-num new_line old" data-linenumber="613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC580" class="line" lang="haskell">      <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">delta_ty_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>a</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
613
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC613" class="line" lang="haskell">      <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla_tm_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span><span class="p">),</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="614" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
614
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC614" class="line" lang="haskell">      <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nabla_ty_st</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>a</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="581" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
581
</td>
<td class="diff-line-num new_line" data-linenumber="615" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
615
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC615" class="line" lang="haskell">    <span class="p">]</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="582" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
582
</td>
<td class="diff-line-num new_line" data-linenumber="616" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
616
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC616" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="583" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
583
</td>
<td class="diff-line-num new_line old" data-linenumber="617" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC583" class="line" lang="haskell"><span class="cd">-- | A disjunctive bag of '<span class="idiff left right">Delt</span>a's, representing a refinement type.</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="584" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
584
</td>
<td class="diff-line-num new_line old" data-linenumber="617" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC584" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDeltas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bag</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="617" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
617
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC617" class="line" lang="haskell"><span class="cd">-- | A disjunctive bag of '<span class="idiff left right">Nabl</span>a's, representing a refinement type.</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="618" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
618
</td>
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<pre style="margin: 0;">+<span id="LC618" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNablas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bag</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="585" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
585
</td>
<td class="diff-line-num new_line" data-linenumber="619" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
619
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC619" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="586" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
586
</td>
<td class="diff-line-num new_line old" data-linenumber="620" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC586" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
587
</td>
<td class="diff-line-num new_line old" data-linenumber="620" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC587" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDeltas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unitBag</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">initDelt</span>a</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="620" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
620
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC620" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="621" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
621
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC621" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNablas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unitBag</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">initNabl</span>a</span><span class="p">)</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
588
</td>
<td class="diff-line-num new_line" data-linenumber="622" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
622
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC622" class="line" lang="haskell"></span>
</pre>
</td>
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<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
589
</td>
<td class="diff-line-num new_line old" data-linenumber="623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC589" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
590
</td>
<td class="diff-line-num new_line old" data-linenumber="623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC590" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">deltas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ppr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">delt</span>as</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="623" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
623
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC623" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="624" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
624
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC624" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nablas</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ppr</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">nabl</span>as</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
591
</td>
<td class="diff-line-num new_line" data-linenumber="625" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
625
</td>
<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC625" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
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<td class="diff-line-num old old_line" data-linenumber="592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
592
</td>
<td class="diff-line-num new_line old" data-linenumber="626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC592" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Semigroup</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
</tr>
<tr class="line_holder old" id="" style="line-height: 1.6;">
<td class="diff-line-num old old_line" data-linenumber="593" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
593
</td>
<td class="diff-line-num new_line old" data-linenumber="626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
</td>
<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">
<pre style="margin: 0;">-<span id="LC593" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">l</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDeltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">r</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkDelt</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">l</span> <span class="p">`</span><span class="n" style="color: #333;">unionBags</span><span class="p">`</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
</td>
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<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="626" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
626
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC626" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Semigroup</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="627" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
627
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<pre style="margin: 0;">+<span id="LC627" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">l</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">r</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkNabl</span>as</span> <span class="p">(</span><span class="n" style="color: #333;">l</span> <span class="p">`</span><span class="n" style="color: #333;">unionBags</span><span class="p">`</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>
</pre>
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594
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<td class="diff-line-num new_line" data-linenumber="628" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
628
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<pre style="margin: 0;"> <span id="LC628" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="595" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
595
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<td class="diff-line-num new_line old" data-linenumber="629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC595" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monoid</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
596
</td>
<td class="diff-line-num new_line old" data-linenumber="629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC596" class="line" lang="haskell">  <span class="n" style="color: #333;">mempty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left right">Delt</span>as</span> <span class="n" style="color: #333;">emptyBag</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="597" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="629" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
629
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC629" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Monoid</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="597" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="630" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
630
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<pre style="margin: 0;">+<span id="LC630" class="line" lang="haskell">  <span class="n" style="color: #333;">mempty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Mk<span class="idiff left right">Nabl</span>as</span> <span class="n" style="color: #333;">emptyBag</span></span>
</pre>
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597
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631
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<pre style="margin: 0;"> <span id="LC631" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
598
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<td class="diff-line-num new_line old" data-linenumber="632" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC598" class="line" lang="haskell"><span class="n" style="color: #333;">lift<span class="idiff left">DeltasM</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Monad</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=></span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Delta</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Delta</span></span><span class="p"><span class="idiff">))</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
599
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<pre style="margin: 0;">-<span id="LC599" class="line" lang="haskell"><span class="n" style="color: #333;">lift<span class="idiff left">DeltasM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDeltas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ds</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkDelt</span>as</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">catBagMaybes</span> <span class="o" style="font-weight: 600;"><$></span> <span class="p">(</span><span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">ds</span><span class="p">)</span></span></pre>
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<td class="diff-line-num new new_line" data-linenumber="632" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
632
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<pre style="margin: 0;">+<span id="LC632" class="line" lang="haskell"><span class="n" style="color: #333;">lift<span class="idiff left">NablasM</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Monad</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=></span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nabla</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Maybe</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nabla</span></span><span class="p"><span class="idiff">))</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
</pre>
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633
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<pre style="margin: 0;">+<span id="LC633" class="line" lang="haskell"><span class="n" style="color: #333;">lift<span class="idiff left">NablasM</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNablas</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ds</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">MkNabl</span>as</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">catBagMaybes</span> <span class="o" style="font-weight: 600;"><$></span> <span class="p">(</span><span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">ds</span><span class="p">)</span></span></pre>
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<br>
</li>
<li id="c69516c9e3cf2716177602126901a5efa3e92675">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#c69516c9e3cf2716177602126901a5efa3e92675"><strong>compiler/GHC/HsToCore/PmCheck/Types.hs-boot</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="2" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2,8 +2,8 @@ module GHC.HsToCore.PmCheck.Types where</td>
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2
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2
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<pre style="margin: 0;"> <span id="LC2" class="line" lang="haskell"></span>
</pre>
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3
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3
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Bag</span></span>
</pre>
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4
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4
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
5
</td>
<td class="diff-line-num new_line old" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>a</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
5
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>a</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
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<td class="diff-line-num new_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num old old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
7
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<td class="diff-line-num new_line old" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC7" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkDeltas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bag</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>a</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">MkNablas</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bag</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>a</span><span class="p">)</span></span>
</pre>
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8
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<td class="diff-line-num new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
8
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
9
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<td class="diff-line-num new_line old" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Deltas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span></pre>
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<td class="diff-line-num new new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">init<span class="idiff left">Nablas</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span></pre>
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<br>
</li>
<li id="7dcf5b567a6cd3c9d98cf8d57323fbca1b1536e9">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#7dcf5b567a6cd3c9d98cf8d57323fbca1b1536e9"><strong>compiler/GHC/Tc/Types.hs</strong></a>
<hr>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -106,7 +106,7 @@ import GHC.Tc.Types.Origin</td>
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<pre style="margin: 0;"> <span id="LC106" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Annotations</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC107" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.InstEnv</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC108" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.FamInstEnv</span></span>
</pre>
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<td class="diff-line-num old old_line" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<td class="diff-line-num new_line old" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC109" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">{-#</span> <span class="nn" style="color: #555;">SOURCE</span> <span class="o" style="font-weight: 600;">#-</span><span class="p">}</span> <span class="kt" style="color: #458; font-weight: 600;">GHC</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">HsToCore</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">PmCheck</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Types</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Delt</span>as</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC109" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">{-#</span> <span class="nn" style="color: #555;">SOURCE</span> <span class="o" style="font-weight: 600;">#-</span><span class="p">}</span> <span class="kt" style="color: #458; font-weight: 600;">GHC</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">HsToCore</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">PmCheck</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Types</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">Nabl</span>as</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC110" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.IOEnv</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
111
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<td class="diff-line-num new_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC111" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name.Reader</span></span>
</pre>
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -324,9 +324,9 @@ data DsLclEnv = DsLclEnv {</td>
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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell">        <span class="n" style="color: #333;">dsl_loc</span>     <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">RealSrcSpan</span><span class="p">,</span>      <span class="c1" style="color: #998; font-style: italic;">-- To put in pattern-matching error msgs</span></span>
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell"></span>
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<td class="diff-line-num old_line" data-linenumber="326" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- See Note [Note [Long-distance information] in "GHC.HsToCore.PmCheck"</span></span>
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<td class="diff-line-num new_line old" data-linenumber="327" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC327" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- The set of reaching values <span class="idiff left right">Delt</span>as is augmented as we walk inwards,</span></span>
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<pre style="margin: 0;">+<span id="LC327" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- The set of reaching values <span class="idiff left right">Nabl</span>as is augmented as we walk inwards,</span></span>
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<pre style="margin: 0;"> <span id="LC328" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- refined through each pattern match in turn</span></span>
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<td class="diff-line-num new_line old" data-linenumber="329" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC329" class="line" lang="haskell">        <span class="n" style="color: #333;">dsl_<span class="idiff left">deltas</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Delt</span>as</span></span>
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<pre style="margin: 0;">+<span id="LC329" class="line" lang="haskell">        <span class="n" style="color: #333;">dsl_<span class="idiff left">nablas</span></span><span class="idiff">  </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Nabl</span>as</span></span>
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<pre style="margin: 0;"> <span id="LC330" class="line" lang="haskell">     <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC331" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC332" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Inside [| |] brackets, the desugarer looks</span></span>
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<br>
</li>
<li id="d811b82446879ec4c97bcda354f8b584093c251d">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#d811b82446879ec4c97bcda354f8b584093c251d"><strong>testsuite/tests/pmcheck/should_compile/T10183.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE GADTs, DataKinds, TypeOperators, UnicodeSyntax #-}</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Foo</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.TypeLits</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
7
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">List</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
8
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell">     <span class="kt" style="color: #458; font-weight: 600;">Nil</span>  <span class="err" style="color: #a61717; background-color: #e3d2d2;">∷</span> <span class="kt" style="color: #458; font-weight: 600;">List</span> <span class="mi" style="color: #099;">0</span> <span class="n" style="color: #333;">t</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell">     <span class="p">(</span><span class="o" style="font-weight: 600;">:-</span><span class="p">)</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">∷</span> <span class="n" style="color: #333;">t</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">→</span> <span class="kt" style="color: #458; font-weight: 600;">List</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">t</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">→</span> <span class="kt" style="color: #458; font-weight: 600;">List</span> <span class="p">(</span><span class="n" style="color: #333;">l</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="n" style="color: #333;">t</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
10
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="11" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
11
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="n" style="color: #333;">head'</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">∷</span> <span class="p">(</span><span class="mi" style="color: #099;">1</span><span class="o" style="font-weight: 600;"><=</span><span class="n" style="color: #333;">l</span><span class="p">)</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">⇒</span> <span class="kt" style="color: #458; font-weight: 600;">List</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">t</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">→</span> <span class="n" style="color: #333;">t</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
12
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="n" style="color: #333;">head'</span> <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">:-</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">x</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
13
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
14
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="n" style="color: #333;">a</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
15
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">TT</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
16
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">TF</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
17
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
18
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
19
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="kt" style="color: #458; font-weight: 600;">TT</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
20
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"></span>
</pre>
</td>
</tr>
<tr class="line_holder new" id="" style="line-height: 1.6;">
<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
21
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">~</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
22
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kt" style="color: #458; font-weight: 600;">TT</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span></pre>
</td>
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</table>
<br>
</li>
<li id="ea4ab76dfa992c6d8ab81919e26cf38057ab01b5">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#ea4ab76dfa992c6d8ab81919e26cf38057ab01b5"><strong>testsuite/tests/pmcheck/should_compile/T17340.stderr</strong></a>
<hr>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -7,6 +7,10 @@ T17340.hs:19:4: warning: [-Wredundant-bang-patterns]</td>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="plaintext">    Pattern match has redundant bang</span>
</pre>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="plaintext">    In an equation for ‘g’: g x = ...</span>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="plaintext">T17340.hs:23:9: warning: [-Wredundant-bang-patterns]</span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="plaintext">    Pattern match has redundant bang</span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="plaintext">    In an equation for ‘h’: h x = ...</span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC14" class="line" lang="plaintext">T17340.hs:27:4: warning: [-Wredundant-bang-patterns]</span>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="plaintext">    Pattern match has redundant bang</span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="plaintext">    In an equation for ‘k’: k _ = ...</span>
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<br>
</li>
<li id="a3e785333a54d6cd9e0ec5f01ce25ab13dd74bb4">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#a3e785333a54d6cd9e0ec5f01ce25ab13dd74bb4"><strong>testsuite/tests/pmcheck/should_compile/T17378.hs</strong></a>
<hr>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -Wincomplete-patterns -fforce-recomp #-}</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE BangPatterns #-}</span></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE TypeOperators #-}</span></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE TypeApplications #-}</span></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ScopedTypeVariables #-}</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE GADTs #-}</span></span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE EmptyCase #-}</span></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Lib</span> <span class="kr" style="font-weight: 600;">where</span></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Type.Equality</span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Functor.Identity</span></span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Void</span></span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">:~:</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">:~:</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">x</span> <span class="kr" style="font-weight: 600;">of</span> <span class="p">{}</span></span>
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Identity</span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">:~:</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">:~:</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Identity</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">Refl</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">SMaybe</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SNothing</span></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell">              <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">SJust</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"><span class="cd">-- | Exhaustive. Note how in addition to @{(a,b) | b /~ True}@, the value set</span></span>
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @{(a,b) | y /~ SNothing, b ~ True}@ flows into the next equation, but @y@ is</span></span>
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- no longer in scope. Normally, we have no way of matching on that without a</span></span>
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- wildcard match, but in this case we refute @y ~ SJust z@ by unleashing type</span></span>
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- evidence saying that @z@ must be 'Void' by matching on 'Void'.</span></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">:~:</span> <span class="kt" style="color: #458; font-weight: 600;">Void</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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29
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="kr" style="font-weight: 600;">_</span>     <span class="kt" style="color: #458; font-weight: 600;">True</span>  <span class="o" style="font-weight: 600;">|</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">undefined</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SMaybe</span> <span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">SNothing</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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30
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="kt" style="color: #458; font-weight: 600;">Refl</span>  <span class="kt" style="color: #458; font-weight: 600;">False</span>                                    <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span></pre>
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</li>
<li id="cd384e70c97d52531a8d863ee04c1293128fe8b0">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#cd384e70c97d52531a8d863ee04c1293128fe8b0"><strong>testsuite/tests/pmcheck/should_compile/T17725.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -Wincomplete-patterns -fforce-recomp #-}</span></span>
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2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE BangPatterns #-}</span></span>
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3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Lib</span> <span class="kr" style="font-weight: 600;">where</span></span>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"></span>
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5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">newtype</span> <span class="kt" style="color: #458; font-weight: 600;">IInt</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IInt</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span></span>
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6
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"></span>
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7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">IInt</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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8
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IInt</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IInt</span> <span class="mi" style="color: #099;">42</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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10
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="kr" style="font-weight: 600;">_</span>         <span class="kr" style="font-weight: 600;">_</span>    <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span></pre>
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<br>
</li>
<li id="92278c7b1a1f3dc0e869d0627526997afb399a6a">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#92278c7b1a1f3dc0e869d0627526997afb399a6a"><strong>testsuite/tests/pmcheck/should_compile/T17725.stderr</strong></a>
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1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext"></span>
</pre>
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2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">T17725.hs:9:1: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
</pre>
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3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">    Pattern match is redundant</span>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="plaintext">    In an equation for ‘f’: f (IInt 42) True = ...</span></pre>
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</li>
<li id="06c9f4438df40d00db1bc36e427a2d0295bb90e1">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#06c9f4438df40d00db1bc36e427a2d0295bb90e1"><strong>testsuite/tests/pmcheck/should_compile/T17729.hs</strong></a>
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1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE PatternSynonyms #-}</span></span>
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2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -fforce-recomp -Wincomplete-patterns #-}</span></span>
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3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"></span>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="n" style="color: #333;">incomplete</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>
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5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="n" style="color: #333;">incomplete</span> <span class="n" style="color: #333;">ma</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">ma</span><span class="p">,</span> <span class="nb" style="color: #0086b3;">()</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>
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6
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell">  <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">,</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>
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7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"></span>
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8
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# COMPLETE Pat #-}</span></span>
</pre>
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9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">Pat</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>
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10
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="n" style="color: #333;">pattern</span> <span class="kt" style="color: #458; font-weight: 600;">Pat</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>
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11
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"></span>
</pre>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="n" style="color: #333;">main</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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13
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="n" style="color: #333;">main</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">incomplete</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="nb" style="color: #0086b3;">()</span><span class="p">)</span></span></pre>
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</li>
<li id="e72e3d237fb90415b63fed49e944d2737bff1e0e">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#e72e3d237fb90415b63fed49e944d2737bff1e0e"><strong>testsuite/tests/pmcheck/should_compile/T17729.stderr</strong></a>
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1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">T17729.hs:5:17: warning: [-Wincomplete-patterns (in -Wextra)]</span>
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3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">    Pattern match(es) are non-exhaustive</span>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="plaintext">    In a case alternative: Patterns not matched: ((Just _), ())</span></pre>
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<br>
</li>
<li id="183ee9bd0a4ce291fd2bb7808db51aef0df645b2">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#183ee9bd0a4ce291fd2bb7808db51aef0df645b2"><strong>testsuite/tests/pmcheck/should_compile/T18273.hs</strong></a>
<hr>
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1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -fforce-recomp -Wincomplete-patterns #-}</span></span>
</pre>
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2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE DataKinds #-}</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE EmptyCase #-}</span></span>
</pre>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE GADTs #-}</span></span>
</pre>
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5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE TypeFamilies #-}</span></span>
</pre>
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6
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"></span>
</pre>
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7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Bug</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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8
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"></span>
</pre>
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9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Kind</span></span>
</pre>
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10
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Void</span></span>
</pre>
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11
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"></span>
</pre>
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12
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">SFalse</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SBool</span> <span class="kt" style="color: #458; font-weight: 600;">'False</span></span>
</pre>
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13
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">STrue</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">SBool</span> <span class="kt" style="color: #458; font-weight: 600;">'True</span></span>
</pre>
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14
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
15
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">SBool</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
16
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">SFalse</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SFalse</span></span>
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17
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">STrue</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">STrue</span></span>
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18
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"></span>
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<td class="diff-line-num new new_line" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
19
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="n" style="color: #333;">family</span> <span class="kt" style="color: #458; font-weight: 600;">F</span> <span class="p">(</span><span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">)</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
20
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">F</span> <span class="kt" style="color: #458; font-weight: 600;">'False</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Void</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
21
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">F</span> <span class="kt" style="color: #458; font-weight: 600;">'True</span>  <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
22
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
23
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="p">(</span><span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="24" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
24
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MkT1</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="25" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
25
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">MkT2</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">F</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
26
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="27" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
27
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell"><span class="n" style="color: #333;">ex</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SBool</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="28" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
28
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"><span class="n" style="color: #333;">ex</span> <span class="n" style="color: #333;">sb</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="29" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
29
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
30
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">MkT1</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
31
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">MkT2</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="32" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
32
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">sb</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
33
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">STrue</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">f</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="34" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
34
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC34" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="35" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
35
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell"><span class="n" style="color: #333;">ex2</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SBool</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
36
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell"><span class="n" style="color: #333;">ex2</span> <span class="n" style="color: #333;">sb</span> <span class="n" style="color: #333;">t</span> <span class="o" style="font-weight: 600;">=</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="37" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
37
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">t</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
</td>
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</td>
<td class="diff-line-num new new_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
38
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">MkT2</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">-></span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
39
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">sb</span> <span class="kr" style="font-weight: 600;">of</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
40
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">STrue</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">f</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
41
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">MkT1</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span></pre>
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</table>
<br>
</li>
<li id="602562c1baef9bc3612a3df1420aae0c8f9d24b5">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#602562c1baef9bc3612a3df1420aae0c8f9d24b5"><strong>testsuite/tests/pmcheck/should_compile/T18341.hs</strong></a>
<hr>
<table class="code white" style="font-family: monospace; font-size: 90%;" bgcolor="#fff" width="100%" cellpadding="0" cellspacing="0">
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</td>
<td class="diff-line-num new new_line" data-linenumber="1" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# OPTIONS_GHC -Wincomplete-patterns -fforce-recomp #-}</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="2" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE BangPatterns #-}</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="3" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
3
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE MagicHash #-}</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">Lib</span> <span class="kr" style="font-weight: 600;">where</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
6
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="7" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Exts</span></span>
</pre>
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</td>
<td class="diff-line-num new new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
8
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
9
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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="cp" style="color: #999; font-weight: 600;">{-# UNPACK #-}</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="o" style="font-weight: 600;">#</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="10" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
10
</td>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="11" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
11
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
12
</td>
<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">
<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MkT</span>  <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- inaccessible</span></span>
</pre>
</td>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
13
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="o" style="font-weight: 600;">!</span><span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- redundant, not only inaccessible!</span></span>
</pre>
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14
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="kr" style="font-weight: 600;">_</span>                    <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<td class="diff-line-num new new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
15
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"></span>
</pre>
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16
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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<td class="diff-line-num new new_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
17
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="kr" style="font-weight: 600;">_</span>  <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- inaccessible</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
18
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">!</span><span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- redundant, not only inaccessible!</span></span>
</pre>
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19
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kr" style="font-weight: 600;">_</span>                    <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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20
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"></span>
</pre>
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21
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
22
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span>  <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- inaccessible</span></span>
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<td class="diff-line-num new old_line" data-linenumber="0" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
23
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MkT</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">!</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">False</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- redundant, not only inaccessible!</span></span>
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24
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"><span class="n" style="color: #333;">h</span> <span class="kr" style="font-weight: 600;">_</span>                    <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span></pre>
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<br>
</li>
<li id="2b900c9691abd631edaa1566b15d69ddad526943">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#2b900c9691abd631edaa1566b15d69ddad526943"><strong>testsuite/tests/pmcheck/should_compile/T18341.stderr</strong></a>
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1
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext"></span>
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2
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">T18341.hs:12:18: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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3
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">    Pattern match has inaccessible right hand side</span>
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4
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="plaintext">    In an equation for ‘f’: f (MkT _ _ _) | False = ...</span>
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5
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="plaintext">T18341.hs:13:18: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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7
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="plaintext">    Pattern match is redundant</span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="plaintext">    In an equation for ‘f’: f (MkT !_ _ _) | False = ...</span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="plaintext">T18341.hs:17:18: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="plaintext">    Pattern match has inaccessible right hand side</span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="plaintext">    In an equation for ‘g’: g (MkT _ _ _) | False = ...</span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="plaintext">T18341.hs:18:18: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="plaintext">    Pattern match is redundant</span>
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="plaintext">    In an equation for ‘g’: g (MkT _ !_ _) | False = ...</span>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="plaintext">T18341.hs:22:18: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="plaintext">    Pattern match has inaccessible right hand side</span>
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="plaintext">    In an equation for ‘h’: h (MkT _ _ _) | False = ...</span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="plaintext">T18341.hs:23:18: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="plaintext">    Pattern match is redundant</span>
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="plaintext">    In an equation for ‘h’: h (MkT _ _ !_) | False = ...</span></pre>
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<li id="e77c2349085a6a6d7d8497374e962fb5a3507b84">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#e77c2349085a6a6d7d8497374e962fb5a3507b84"><strong>testsuite/tests/pmcheck/should_compile/TooManyDeltas.hs</strong></a>
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- As a result, these functions elicit the symptoms describe in the warnings</span></span>
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4
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4
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- message, e.g.</span></span>
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5
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5
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - False positives on exhaustivity</span></span>
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<td class="diff-line-num new_line old" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC6" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - Turns redundant into inaccessible clauses</span></span>
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7
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<td class="diff-line-num new_line" data-linenumber="6" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
6
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - Fails to report redundant matches</span></span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<td class="diff-line-num new old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We used to turn redundant into inaccessible clauses, but SG was unable to</span></span>
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<td class="diff-line-num new old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
9
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- produce a testcase. See the comment below.</span></span>
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8
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">TooManyDeltas</span> <span class="kr" style="font-weight: 600;">where</span></span>
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11
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">B</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -13,12 +15,19 @@ data T = A | B</td>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="haskell"><span class="n" style="color: #333;">f</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
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17
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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell"></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- SG: As of July 2020, g doesn't reproduce anymore.</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Because we treat constructor matches lazily and push data con match</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- strictness into a preceding bang guard, The single place that calls the</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- throttling function will not regress in laziness. Note that by throttling we</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- can only "forget" the x /~ K constraint from unc_this, not the preceding</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- x /~ ⊥ constraint.</span></span>
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<td class="diff-line-num new old_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="24" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"></span>
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16
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<td class="diff-line-num new_line" data-linenumber="25" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell"><span class="cd">-- | Reports that the third clause is inaccessible, when really it is</span></span>
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<td class="diff-line-num old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
17
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<td class="diff-line-num new_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- redundant.</span></span>
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<td class="diff-line-num old_line" data-linenumber="18" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
18
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<td class="diff-line-num new_line" data-linenumber="27" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">T</span> <span class="o" style="font-weight: 600;">-></span> <span class="nb" style="color: #0086b3;">()</span></span>
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<td class="diff-line-num old_line" data-linenumber="19" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
19
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<td class="diff-line-num new_line" data-linenumber="28" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
28
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
20
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<td class="diff-line-num new_line" data-linenumber="29" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
29
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- inaccessible, correctly flagged</span></span>
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<td class="diff-line-num old old_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
21
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<td class="diff-line-num new_line old" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0;">-<span id="LC21" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- redundant, <span class="idiff left right">not inaccessible!</span></span></span>
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<td class="diff-line-num new old_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="kt" style="color: #458; font-weight: 600;">A</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- redundant, <span class="idiff left right">used to be inaccessible (see above).</span></span></span>
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<td class="diff-line-num old_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
22
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<td class="diff-line-num new_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="n" style="color: #333;">g</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">()</span> <span class="c1" style="color: #998; font-style: italic;">-- (this one is not about exhaustivity)</span></span>
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<td class="diff-line-num old_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
23
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32
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="haskell"></span>
</pre>
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24
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell"><span class="cd">-- | Fails to report that the second clause is redundant.</span></span>
</pre>
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<br>
</li>
<li id="94aa51e6715e17adfa284ea82a9eb53d9dce2bde">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#94aa51e6715e17adfa284ea82a9eb53d9dce2bde"><strong>testsuite/tests/pmcheck/should_compile/TooManyDeltas.stderr</strong></a>
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1
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1
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<pre style="margin: 0;"> <span id="LC1" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC2" class="line" lang="plaintext">TooManyDeltas.hs:1<span class="idiff left right">4</span>:1: warning:</span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">TooManyDeltas.hs:1<span class="idiff left right">6</span>:1: warning:</span>
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3
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<pre style="margin: 0;"> <span id="LC3" class="line" lang="plaintext">    Pattern match checker ran into -fmax-pmcheck-models=0 limit, so</span>
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<td class="diff-line-num new_line" data-linenumber="4" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC4" class="line" lang="plaintext">      • Redundant clauses might not be reported at all</span>
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<td class="diff-line-num new_line" data-linenumber="5" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC5" class="line" lang="plaintext">      • Redundant clauses might be reported as inaccessible</span>
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<pre style="margin: 0;"> <span id="LC6" class="line" lang="plaintext">      • Patterns reported as unmatched might actually be matched</span>
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<pre style="margin: 0;"> <span id="LC7" class="line" lang="plaintext">    Increase the limit or resolve the warnings to suppress this message.</span>
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC9" class="line" lang="plaintext">TooManyDeltas.hs:1<span class="idiff left right">4</span>:1: warning: [-Wincomplete-patterns (in -Wextra)]</span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="plaintext">TooManyDeltas.hs:1<span class="idiff left right">6</span>:1: warning: [-Wincomplete-patterns (in -Wextra)]</span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="plaintext">    Pattern match(es) are non-exhaustive</span>
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<pre style="margin: 0;"> <span id="LC11" class="line" lang="plaintext">    In an equation for ‘f’:</span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="plaintext">        Patterns not matched:</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="15" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -15,17 +15,17 @@ TooManyDeltas.hs:14:1: warning: [-Wincomplete-patterns (in -Wextra)]</td>
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<pre style="margin: 0;"> <span id="LC15" class="line" lang="plaintext">            B A</span>
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<pre style="margin: 0;"> <span id="LC16" class="line" lang="plaintext">            B B</span>
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<pre style="margin: 0;"> <span id="LC17" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC18" class="line" lang="plaintext">TooManyDeltas.hs:<span class="idiff left right">19</span>:1: warning:</span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="plaintext">TooManyDeltas.hs:<span class="idiff left right">28</span>:1: warning:</span>
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<pre style="margin: 0;"> <span id="LC19" class="line" lang="plaintext">    Pattern match checker ran into -fmax-pmcheck-models=0 limit, so</span>
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<td class="diff-line-num new_line" data-linenumber="20" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC20" class="line" lang="plaintext">      • Redundant clauses might not be reported at all</span>
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<td class="diff-line-num new_line" data-linenumber="21" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC21" class="line" lang="plaintext">      • Redundant clauses might be reported as inaccessible</span>
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<td class="diff-line-num new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="plaintext">      • Patterns reported as unmatched might actually be matched</span>
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<td class="diff-line-num old_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="plaintext">    Increase the limit or resolve the warnings to suppress this message.</span>
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<pre style="margin: 0;"> <span id="LC24" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC25" class="line" lang="plaintext">TooManyDeltas.hs:2<span class="idiff left right">0</span>:1: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="plaintext">TooManyDeltas.hs:2<span class="idiff left right">9</span>:1: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;"> <span id="LC26" class="line" lang="plaintext">    Pattern match has inaccessible right hand side</span>
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<pre style="margin: 0;"> <span id="LC27" class="line" lang="plaintext">    In an equation for ‘g’: g A A = ...</span>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC29" class="line" lang="plaintext">TooManyDeltas.hs:<span class="idiff left right">21</span>:1: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">-<span id="LC30" class="line" lang="plaintext">    Pattern match <span class="idiff left right">has inaccessible right hand side</span></span>
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="plaintext">TooManyDeltas.hs:<span class="idiff left right">30</span>:1: warning: [-Woverlapping-patterns (in -Wdefault)]</span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="plaintext">    Pattern match <span class="idiff left right">is redundant</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="plaintext">    In an equation for ‘g’: g A A = ...</span></pre>
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<br>
</li>
<li id="a52966ece03f9e76a93a2c4ea96b9fb25368723d">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/42f9bf20d2d7c9d190023ad053eec82b9d1aad27#a52966ece03f9e76a93a2c4ea96b9fb25368723d"><strong>testsuite/tests/pmcheck/should_compile/all.T</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -36,6 +36,8 @@ test('T9951b', [], compile,</td>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T9951</span><span class="p">',</span> <span class="o" style="font-weight: 600;">[]</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T10183</span><span class="p">',</span> <span class="o" style="font-weight: 600;">[]</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
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<pre style="margin: 0;"> <span id="LC41" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T11303</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC42" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns +RTS -M1G -RTS</span><span class="p">'])</span></span>
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<pre style="margin: 0;"> <span id="LC43" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T11276</span><span class="p">',</span> <span class="nv" style="color: #008080;">collect_compiler_stats</span><span class="p">('</span><span class="s1" style="color: #d14;">bytes allocated</span><span class="p">',</span><span class="mi" style="color: #099;">10</span><span class="p">),</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -108,12 +110,18 @@ test('T17357', expect_broken(17357), compile,</td>
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<pre style="margin: 0;"> <span id="LC110" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
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<pre style="margin: 0;"> <span id="LC111" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17376</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
112
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
113
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<pre style="margin: 0;">+<span id="LC113" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17378</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
114
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<pre style="margin: 0;">+<span id="LC114" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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111
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<td class="diff-line-num new_line" data-linenumber="115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17465</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
112
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<td class="diff-line-num new_line" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
116
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<pre style="margin: 0;"> <span id="LC116" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
113
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<td class="diff-line-num new_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
117
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<pre style="margin: 0;"> <span id="LC117" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17646</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC118" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
119
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<pre style="margin: 0;"> <span id="LC119" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17703</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
120
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<pre style="margin: 0;"> <span id="LC120" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
121
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<pre style="margin: 0;">+<span id="LC121" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17725</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC122" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17729</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC124" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
125
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17783</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
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<pre style="margin: 0;"> <span id="LC127" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T17977</span><span class="p">',</span> <span class="nv" style="color: #008080;">collect_compiler_stats</span><span class="p">('</span><span class="s1" style="color: #d14;">bytes allocated</span><span class="p">',</span><span class="mi" style="color: #099;">10</span><span class="p">),</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -122,6 +130,10 @@ test('T17977b', collect_compiler_stats('bytes allocated',10), compile,</td>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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123
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<td class="diff-line-num new_line" data-linenumber="131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
131
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<pre style="margin: 0;"> <span id="LC131" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18049</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
124
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<td class="diff-line-num new_line" data-linenumber="132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
132
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<pre style="margin: 0;"> <span id="LC132" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
133
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18273</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
134
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<pre style="margin: 0;">+<span id="LC134" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
135
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<pre style="margin: 0;">+<span id="LC135" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18341</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
136
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<pre style="margin: 0;">+<span id="LC136" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
125
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<td class="diff-line-num new_line" data-linenumber="137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
137
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<pre style="margin: 0;"> <span id="LC137" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18478</span><span class="p">',</span> <span class="nv" style="color: #008080;">collect_compiler_stats</span><span class="p">('</span><span class="s1" style="color: #d14;">bytes allocated</span><span class="p">',</span><span class="mi" style="color: #099;">10</span><span class="p">),</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
126
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<td class="diff-line-num new_line" data-linenumber="138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
138
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<pre style="margin: 0;"> <span id="LC138" class="line" lang="perl">     <span class="p">['</span><span class="s1" style="color: #d14;">-fwarn-incomplete-patterns -fwarn-overlapping-patterns</span><span class="p">'])</span></span>
</pre>
</td>
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<td class="diff-line-num old_line" data-linenumber="127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
127
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<td class="diff-line-num new_line" data-linenumber="139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
139
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<pre style="margin: 0;"> <span id="LC139" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18533</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile</span><span class="p">,</span></span>
</pre>
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