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<h3>

Danya Rogozin pushed to branch wip/ghc-281-proposal-visible-foralls-proto

at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>

</h3>

<h4>

Commits:

</h4>

<ul>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b">6f1489c6</a></strong>

<div>

<span>by Daniel Rogozin</span>

<i>at 2020-10-19T14:10:09+03:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">(proto) visible foralls in terms

</pre>

</li>

</ul>

<h4>15 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#578c7c3857d66d963736ff6742f3433a0e8d01b7">

compiler/GHC/Core/TyCo/Rep.hs

</a>

</li>

<li class="file-stats">

<a href="#cc97d81e7223ad4a3a5e801156ca632f9fa75654">

compiler/GHC/Hs/Expr.hs

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</li>

<li class="file-stats">

<a href="#5855ff1d64fcadf28e7984964e69e35ff4de7f0a">

compiler/GHC/HsToCore/Arrows.hs

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<li class="file-stats">

<a href="#6bdd5abc649727f2a802bc96ce5c276de19d3726">

compiler/GHC/HsToCore/Expr.hs

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<li class="file-stats">

<a href="#085703923f9c18f6ac9f926ac9a4c7c7e6d9d9ed">

compiler/GHC/HsToCore/Match.hs

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<li class="file-stats">

<a href="#649144a78135a23cabfc90dd83c4aabf448eb6ab">

compiler/GHC/Iface/Ext/Ast.hs

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<li class="file-stats">

<a href="#6a1f039ed7725eddef15dd5f4dc318a3434f26c9">

compiler/GHC/Tc/Gen/App.hs

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<li class="file-stats">

<a href="#71fa5eb3ba70e1d3a6181a226c2c227d42f1eb7d">

compiler/GHC/Tc/Gen/Arrow.hs

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<li class="file-stats">

<a href="#902811828741e6bcd64702935bbb54edbbd070ef">

compiler/GHC/Tc/Gen/Expr.hs

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<li class="file-stats">

<a href="#3377164bfe9a1f1a8cfd588703ae1e0ea1e91cf9">

compiler/GHC/Tc/Gen/Match.hs

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<li class="file-stats">

<a href="#5c0a7f8291c984f0fc06f59e7cf10dbecc11598b">

compiler/GHC/Tc/TyCl/PatSyn.hs

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<li class="file-stats">

<a href="#5461e7beeb7ae73d7c01f720cbaa3fa2c5333590">

compiler/GHC/Tc/Utils/TcType.hs

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<a href="#74295edeac870ee7f2f3484ebaffab5c948b735a">

compiler/GHC/Tc/Utils/Unify.hs

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<li class="file-stats">

<a href="#6a120b0673f8920127d8fffdaa16f01b90cc92d7">

compiler/GHC/Tc/Utils/Zonk.hs

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<li class="file-stats">

<a href="#1db07ed8cd9bab6b217a8f5a140176d3cb8672fd">

compiler/GHC/Tc/Validity.hs

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<h4>Changes:</h4>

<li id="578c7c3857d66d963736ff6742f3433a0e8d01b7">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#578c7c3857d66d963736ff6742f3433a0e8d01b7"><strong>compiler/GHC/Core/TyCo/Rep.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="72" style="width: 35px; color: rgba(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="72" style="width: 35px; color: rgba(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">@@ -72,7 +72,10 @@ module GHC.Core.TyCo.Rep (</td>

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<pre style="margin: 0;"> <span id="LC72" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">typeSize</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">coercionSize</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">provSize</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell"></span>

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<td class="diff-line-num old_line" data-linenumber="74" style="width: 35px; color: rgba(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="LC74" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * Multiplicities</span></span>

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<td class="diff-line-num old old_line" data-linenumber="75" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC75" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Scaled</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;">scaledMult</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">scaledThing</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mapScaledType</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Mult</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="76" style="width: 35px; color: rgba(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="LC75" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Scaled</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;">scaledMult</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">scaledThing</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mapScaledType</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Mult</span><span class="p">,</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC76" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="77" style="width: 35px; color: rgba(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="LC77" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * visible foralls related definitions</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="76" style="width: 35px; color: rgba(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="LC78" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">ArgType</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;">mkVisFunForallTys</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">normalArgTys</span></span>

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<pre style="margin: 0;"> <span id="LC79" 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="LC80" class="line" lang="haskell"></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="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"HsVersions.h"</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2071" style="width: 35px; color: rgba(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">@@ -2071,3 +2074,22 @@ So that Mult feels a bit more structured, we provide pattern synonyms and smart</td>

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<pre style="margin: 0;"> <span id="LC2074" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">constructors for these.</span></span>

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<pre style="margin: 0;"> <span id="LC2075" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>

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2073

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<td class="diff-line-num new_line" data-linenumber="2076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2076

</td>

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<pre style="margin: 0;"> <span id="LC2076" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Mult</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2077" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2077

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC2077" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2078

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC2078" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">ArgType</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2079" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2079

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC2079" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NormalArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2080" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2080

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC2080" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">ForallArgType</span> <span class="kt" style="color: #458; font-weight: 600;">ReqTVBinder</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2081" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2081

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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="LC2081" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">deriving</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Data</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2082

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC2082" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2083" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2083

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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="LC2083" class="line" lang="haskell"><span class="n" style="color: #333;">mkVisFunForallTy</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ArgType</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;">Type</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2084" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2084

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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="LC2084" class="line" lang="haskell"><span class="n" style="color: #333;">mkVisFunForallTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NormalArgType</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span>            <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkScaledFunTy</span> <span class="kt" style="color: #458; font-weight: 600;">VisArg</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2085" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2085

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC2085" class="line" lang="haskell"><span class="n" style="color: #333;">mkVisFunForallTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForallArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">var</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">))</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForAllTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Bndr</span> <span class="n" style="color: #333;">var</span> <span class="kt" style="color: #458; font-weight: 600;">Required</span><span class="p">)</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2086

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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="LC2086" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2087" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2087

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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="LC2087" class="line" lang="haskell"><span class="n" style="color: #333;">mkVisFunForallTys</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ArgType</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;">Type</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2088" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2088

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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="LC2088" class="line" lang="haskell"><span class="n" style="color: #333;">mkVisFunForallTys</span> <span class="n" style="color: #333;">tys</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">foldr</span> <span class="n" style="color: #333;">mkVisFunForallTy</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">tys</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2089" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2089

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<pre style="margin: 0;">+<span id="LC2089" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2090

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<pre style="margin: 0;">+<span id="LC2090" class="line" lang="haskell"><span class="n" style="color: #333;">normalArgTys</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ArgType</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;">Scaled</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">]</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2091" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2091

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<pre style="margin: 0;">+<span id="LC2091" class="line" lang="haskell"><span class="n" style="color: #333;">normalArgTys</span> <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;">[]</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2074" style="width: 35px; color: rgba(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="2092" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2092

</td>

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<pre style="margin: 0;">+<span id="LC2092" class="line" lang="haskell"><span class="n" style="color: #333;">normalArgTys</span> <span class="p">(</span><span class="n" style="color: #333;">arg_ty</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">arg_tys</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new new_line" data-linenumber="2093" style="width: 35px; color: rgba(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="LC2093" 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;">arg_ty</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="2094" style="width: 35px; color: rgba(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="LC2094" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">NormalArgType</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">normalArgTys</span> <span class="n" style="color: #333;">arg_tys</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2095" 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;">normalArgTys</span> <span class="n" style="color: #333;">arg_tys</span></span></pre>

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<br>

</li>

<li id="cc97d81e7223ad4a3a5e801156ca632f9fa75654">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#cc97d81e7223ad4a3a5e801156ca632f9fa75654"><strong>compiler/GHC/Hs/Expr.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="50" style="width: 35px; color: rgba(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="50" style="width: 35px; color: rgba(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">@@ -50,6 +50,7 @@ import GHC.Utils.Outputable</td>

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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Panic</span></span>

</pre>

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51

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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.FastString</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Type</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC53" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgType</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Types</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">mkTupleStr</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC55" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.TcType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcType</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC56" 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;">Tc</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;">TcLclEnv</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1711" style="width: 35px; color: rgba(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">@@ -1710,7 +1711,7 @@ data MatchGroup p body</td>

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<pre style="margin: 0;"> <span id="LC1711" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1711" style="width: 35px; color: rgba(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="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">

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<pre style="margin: 0;"> <span id="LC1712" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1713" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1713" class="line" lang="haskell">       <span class="p">{</span> <span class="n" style="color: #333;">mg_arg_tys</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">Scaled</span></span><span class="idiff right"> </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;">-- Types of the arguments, t1..tn</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(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="LC1714" class="line" lang="haskell">       <span class="p">{</span> <span class="n" style="color: #333;">mg_arg_tys</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 right">Arg</span>Type</span><span class="p">]</span>  <span class="c1" style="color: #998; font-style: italic;">-- Types of the arguments, t1..tn</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1715" class="line" lang="haskell">       <span class="p">,</span> <span class="n" style="color: #333;">mg_res_ty</span>  <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 the result, tr</span></span>

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<pre style="margin: 0;"> <span id="LC1716" class="line" lang="haskell">       <span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span></span>

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<pre style="margin: 0;"> <span id="LC1717" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="5855ff1d64fcadf28e7984964e69e35ff4de7f0a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#5855ff1d64fcadf28e7984964e69e35ff4de7f0a"><strong>compiler/GHC/HsToCore/Arrows.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -43,6 +43,7 @@ import GHC.Core</td>

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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.FVs</span></span>

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<pre style="margin: 0;"> <span id="LC44" 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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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Make</span></span>

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<pre style="margin: 0;">+<span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span></span>

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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore.Binds</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">dsHsWrapper</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Id</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="595" style="width: 35px; color: rgba(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">@@ -595,7 +596,7 @@ dsCmd ids local_vars stack_ty res_ty</td>

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<pre style="margin: 0;"> <span id="LC596" class="line" lang="haskell">            <span class="n" style="color: #333;">exprFreeIdsDSet</span> <span class="n" style="color: #333;">core_body</span> <span class="p">`</span><span class="n" style="color: #333;">uniqDSetIntersectUniqSet</span><span class="p">`</span> <span class="n" style="color: #333;">local_vars</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC597" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC598" class="line" lang="haskell"><span class="n" style="color: #333;">dsCmd</span> <span class="n" style="color: #333;">ids</span> <span class="n" style="color: #333;">local_vars</span> <span class="n" style="color: #333;">stack_ty</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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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="LC598" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsCmdLamCase</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">mg</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Scaled</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg_mult</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">arg_ty</span></span><span class="p">]</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">})</span> <span class="n" style="color: #333;">env_ids</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="LC599" class="line" lang="haskell">      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsCmdLamCase</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">mg</span><span class="o" style="font-weight: 600;">@</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgType</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">Scaled</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg_mult</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg_ty</span></span><span class="p"><span class="idiff right">)</span>]</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">})</span> <span class="n" style="color: #333;">env_ids</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="LC600" class="line" lang="haskell">  <span class="n" style="color: #333;">arg_id</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newSysLocalDs</span> <span class="n" style="color: #333;">arg_mult</span> <span class="n" style="color: #333;">arg_ty</span></span>

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600

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<td class="diff-line-num new_line" data-linenumber="601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

601

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<pre style="margin: 0;"> <span id="LC601" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">case_cmd</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="o" style="font-weight: 600;">$</span><span class="err" style="color: #a61717; background-color: #e3d2d2;"> </span><span class="kt" style="color: #458; font-weight: 600;">HsCmdCase</span> <span class="n" style="color: #333;">noExtField</span> <span class="p">(</span><span class="n" style="color: #333;">nlHsVar</span> <span class="n" style="color: #333;">arg_id</span><span class="p">)</span> <span class="n" style="color: #333;">mg</span></span>

</pre>

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601

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<td class="diff-line-num new_line" data-linenumber="602" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

602

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<pre style="margin: 0;"> <span id="LC602" class="line" lang="haskell">  <span class="n" style="color: #333;">dsCmdLam</span> <span class="n" style="color: #333;">ids</span> <span class="n" style="color: #333;">local_vars</span> <span class="n" style="color: #333;">stack_ty</span> <span class="n" style="color: #333;">res_ty</span> <span class="p">[</span><span class="n" style="color: #333;">nlVarPat</span> <span class="n" style="color: #333;">arg_id</span><span class="p">]</span> <span class="n" style="color: #333;">case_cmd</span> <span class="n" style="color: #333;">env_ids</span></span>

</pre>

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<br>

</li>

<li id="6bdd5abc649727f2a802bc96ce5c276de19d3726">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#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="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">@@ -48,6 +48,7 @@ import GHC.Core.Coercion( Coercion )</td>

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48

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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core</span></span>

</pre>

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49

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49

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<pre style="margin: 0;"> <span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Utils</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="50" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

50

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<td class="diff-line-num new_line" data-linenumber="50" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

50

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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Make</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="51" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

51

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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span><span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">ArgType</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>

</pre>

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51

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52

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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell"></span>

</pre>

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52

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<td class="diff-line-num new_line" data-linenumber="53" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

53

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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Driver.Session</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="53" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

53

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<td class="diff-line-num new_line" data-linenumber="54" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

54

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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.CostCentre</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold new_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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -721,7 +722,7 @@ dsExpr expr@(RecordUpd { rupd_expr = record_expr, rupd_flds = fields</td>

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721

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC722" class="line" lang="haskell">        <span class="p">;</span> <span class="p">([</span><span class="n" style="color: #333;">discrim_var</span><span class="p">],</span> <span class="n" style="color: #333;">matching_code</span><span class="p">)</span></span>

</pre>

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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="723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

723

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<pre style="margin: 0;"> <span id="LC723" class="line" lang="haskell">                <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchWrapper</span> <span class="kt" style="color: #458; font-weight: 600;">RecUpd</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">record_expr</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- See Note [Scrutinee in Record updates]</span></span>

</pre>

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723

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<td class="diff-line-num new_line" data-linenumber="724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

724

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<pre style="margin: 0;"> <span id="LC724" class="line" lang="haskell">                                      <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="n" style="color: #333;">alts</span></span>

</pre>

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724

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC724" class="line" lang="haskell">                                          <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="n" style="color: #333;"><span class="idiff left">unrestricted</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">in_ty</span></span><span class="p">]</span> <span class="n" style="color: #333;">out_ty</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="725" style="width: 35px; color: rgba(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="LC725" class="line" lang="haskell">                                          <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgType</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unrestricted</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">in_ty</span></span><span class="p"><span class="idiff right">)</span>]</span> <span class="n" style="color: #333;">out_ty</span></span>

</pre>

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725

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<pre style="margin: 0;"> <span id="LC726" class="line" lang="haskell">                                          <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">FromSource</span></span>

</pre>

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726

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727

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<pre style="margin: 0;"> <span id="LC727" class="line" lang="haskell">                                          <span class="p">})</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

727

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<td class="diff-line-num new_line" data-linenumber="728" style="width: 35px; color: rgba(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="LC728" class="line" lang="haskell">                                     <span class="c1" style="color: #998; font-style: italic;">-- FromSource is not strictly right, but we</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold new_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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1119,7 +1120,7 @@ dsDo ctx stmts</td>

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<pre style="margin: 0;"> <span id="LC1120" class="line" lang="haskell">                           <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="p">[</span><span class="n" style="color: #333;">mkSimpleMatch</span></span>

</pre>

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1121

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<pre style="margin: 0;"> <span id="LC1121" class="line" lang="haskell">                                                    <span class="kt" style="color: #458; font-weight: 600;">LambdaExpr</span></span>

</pre>

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1122

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<pre style="margin: 0;"> <span id="LC1122" class="line" lang="haskell">                                                    <span class="p">[</span><span class="n" style="color: #333;">mfix_pat</span><span class="p">]</span> <span class="n" style="color: #333;">body</span><span class="p">]</span></span>

</pre>

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1122

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<td class="diff-line-num new_line old" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1122" class="line" lang="haskell">                               <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="n" style="color: #333;"><span class="idiff left">unrestricted</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tup_ty</span></span><span class="p">]</span> <span class="n" style="color: #333;">body_ty</span></span>

</pre>

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1123

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<pre style="margin: 0;">+<span id="LC1123" class="line" lang="haskell">                               <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgType</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unrestricted</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">tup_ty</span></span><span class="p"><span class="idiff right">)</span>]</span> <span class="n" style="color: #333;">body_ty</span></span>

</pre>

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1123

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1124

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<pre style="margin: 0;"> <span id="LC1124" class="line" lang="haskell">                               <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Generated</span> <span class="p">})</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1125

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<pre style="margin: 0;"> <span id="LC1125" class="line" lang="haskell">        <span class="n" style="color: #333;">mfix_pat</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">LazyPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkBigLHsPatTupId</span> <span class="n" style="color: #333;">rec_tup_pats</span></span>

</pre>

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1125

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<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="n" style="color: #333;">body</span>         <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">HsDo</span> <span class="n" style="color: #333;">body_ty</span></span>

</pre>

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<br>

</li>

<li id="085703923f9c18f6ac9f926ac9a4c7c7e6d9d9ed">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#085703923f9c18f6ac9f926ac9a4c7c7e6d9d9ed"><strong>compiler/GHC/HsToCore/Match.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold 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">...</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">@@ -36,6 +36,7 @@ import GHC.Tc.Utils.Monad</td>

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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.HsToCore.Pmc</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.Pmc.Types</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Nablas</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">initNablas</span> <span class="p">)</span></span>

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38

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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.Core</span></span>

</pre>

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<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">

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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.TyCo.Rep</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">normalArgTys</span><span class="p">)</span></span>

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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>

</pre>

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40

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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>

</pre>

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41

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42

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<pre style="margin: 0;"> <span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Make</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -757,11 +758,11 @@ matchWrapper ctxt mb_scr (MG { mg_alts = L _ matches</td>

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757

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<pre style="margin: 0;"> <span id="LC758" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">locn</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getSrcSpanDs</span></span>

</pre>

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759

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<pre style="margin: 0;"> <span id="LC759" class="line" lang="haskell"></span>

</pre>

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760

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<pre style="margin: 0;"> <span id="LC760" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">new_vars</span>    <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">matches</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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760

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<pre style="margin: 0;">-<span id="LC760" 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;">newSysLocalsDsNoLP</span> <span class="n" style="color: #333;"><span class="idiff left right">arg_tys</span></span></span>

</pre>

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761

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<pre style="margin: 0;">+<span id="LC761" 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;">newSysLocalsDsNoLP</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">normalArgTys</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg_tys</span></span><span class="p"><span class="idiff right">)</span></span></span>

</pre>

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761

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<td class="diff-line-num new_line" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

762

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<pre style="margin: 0;"> <span id="LC762" class="line" lang="haskell">                           <span class="p">(</span><span class="n" style="color: #333;">m</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>

</pre>

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<td class="diff-line-num old_line" data-linenumber="762" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

762

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<td class="diff-line-num new_line" data-linenumber="763" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

763

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<pre style="margin: 0;"> <span id="LC763" class="line" lang="haskell">                            <span class="n" style="color: #333;">selectMatchVars</span> <span class="p">(</span><span class="n" style="color: #333;">zipWithEqual</span> <span class="s" style="color: #d14;">"matchWrapper"</span></span>

</pre>

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763

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC764" class="line" lang="haskell">                                              <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</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;">scaledMult</span> <span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">b</span><span class="p">))</span></span>

</pre>

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764

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<pre style="margin: 0;">-<span id="LC764" class="line" lang="haskell">                                                <span class="n" style="color: #333;"><span class="idiff left right">arg_tys</span></span></span>

</pre>

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765

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<pre style="margin: 0;">+<span id="LC765" class="line" lang="haskell">                                                <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">normalArgTys</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg_tys</span></span><span class="p"><span class="idiff right">)</span></span></span>

</pre>

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765

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766

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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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766

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767

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<pre style="margin: 0;"> <span id="LC767" class="line" lang="haskell"></span>

</pre>

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767

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768

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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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<br>

</li>

<li id="649144a78135a23cabfc90dd83c4aabf448eb6ab">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#649144a78135a23cabfc90dd83c4aabf448eb6ab"><strong>compiler/GHC/Iface/Ext/Ast.hs</strong></a>

<hr>

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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">@@ -34,6 +34,7 @@ import GHC.Core.ConLike           ( conLikeName, ConLike(RealDataCon) )</td>

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34

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34

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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;">GHC.Core.TyCon</span>             <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">TyCon</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tyConClass_maybe</span> <span class="p">)</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;">GHC.Core.FVs</span></span>

</pre>

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36

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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.Core.DataCon</span>           <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">dataConNonlinearType</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_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">

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<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">

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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.Core.TyCo.Rep</span>          <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkVisFunForallTys</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="38" style="width: 35px; color: rgba(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="LC38" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.HsToCore</span>               <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">deSugarExpr</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_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="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.FieldLabel</span></span>

</pre>

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<td class="diff-line-num new_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="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Hs</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="45" style="width: 35px; color: rgba(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="46" style="width: 35px; color: rgba(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">@@ -45,7 +46,7 @@ import GHC.Types.Name             ( Name, nameSrcSpan, nameUnique )</td>

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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Name.Env</span>         <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">NameEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">emptyNameEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">extendNameEnv</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">lookupNameEnv</span> <span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.SrcLoc</span></span>

</pre>

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<td class="diff-line-num 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">

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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.Zonk</span>          <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">hsLitType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsPatType</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC48" 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="nf" style="color: #900; font-weight: 600;"><span class="idiff left">mkVisFunTys</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">Type</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="49" style="width: 35px; color: rgba(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="LC49" 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>

</pre>

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<td class="diff-line-num new_line" data-linenumber="50" style="width: 35px; color: rgba(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="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Predicate</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="51" style="width: 35px; color: rgba(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="LC51" 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 new_line" data-linenumber="52" style="width: 35px; color: rgba(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="LC52" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Types</span>          <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">mkListTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkSumTy</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="747" style="width: 35px; color: rgba(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="748" style="width: 35px; color: rgba(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">@@ -747,7 +748,7 @@ instance HiePass p => HasType (Located (HsExpr (GhcPass p))) where</td>

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<td class="diff-line-num new_line" data-linenumber="748" style="width: 35px; color: rgba(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="LC748" class="line" lang="haskell">          <span class="n" style="color: #333;">fallback</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">makeNode</span> <span class="n" style="color: #333;">e'</span> <span class="n" style="color: #333;">spn</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="749" style="width: 35px; color: rgba(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="LC749" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC750" class="line" lang="haskell">          <span class="n" style="color: #333;">matchGroupType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Type</span></span>

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750

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<pre style="margin: 0;">-<span id="LC750" class="line" lang="haskell">          <span class="n" style="color: #333;">matchGroupType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">res</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTys</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">res</span></span>

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<pre style="margin: 0;">+<span id="LC751" class="line" lang="haskell">          <span class="n" style="color: #333;">matchGroupType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">res</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFun<span class="idiff left right">Forall</span>Tys</span> <span class="n" style="color: #333;">args</span> <span class="n" style="color: #333;">res</span></span>

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751

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<pre style="margin: 0;"> <span id="LC752" class="line" lang="haskell"></span>

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752

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753

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<pre style="margin: 0;"> <span id="LC753" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- | Skip desugaring of these expressions for performance reasons.</span></span>

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753

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<pre style="margin: 0;"> <span id="LC754" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">--</span></span>

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<br>

</li>

<li id="6a1f039ed7725eddef15dd5f4dc318a3434f26c9">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#6a1f039ed7725eddef15dd5f4dc318a3434f26c9"><strong>compiler/GHC/Tc/Gen/App.hs</strong></a>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold new_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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -39,6 +39,7 @@ import GHC.Core.TyCo.Ppr</td>

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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.TyCo.Subst</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">substTyWithInScope</span><span class="p">)</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.Core.TyCo.FVs</span><span class="p">(</span> <span class="n" style="color: #333;">shallowTyCoVarsOfType</span> <span class="p">)</span></span>

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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.Type</span></span>

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<pre style="margin: 0;">+<span id="LC42" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Basic</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">PromotionFlag</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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42

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<pre style="margin: 0;"> <span id="LC43" 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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<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="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Var.Set</span></span>

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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.PrimOps</span><span class="p">(</span> <span class="n" style="color: #333;">tagToEnumKey</span> <span class="p">)</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="312" style="width: 35px; color: rgba(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="313" style="width: 35px; color: rgba(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">@@ -312,6 +313,16 @@ tcValArgs quick_look fun args</td>

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<pre style="margin: 0;"> <span id="LC313" class="line" lang="haskell">    <span class="n" style="color: #333;">tc_arg</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">EWrap</span> <span class="n" style="color: #333;">wrap</span><span class="p">)</span>          <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="p">,</span>   <span class="kt" style="color: #458; font-weight: 600;">EWrap</span> <span class="n" style="color: #333;">wrap</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC314" class="line" lang="haskell">    <span class="n" style="color: #333;">tc_arg</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ETypeArg</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">hs_ty</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ETypeArg</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">hs_ty</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="315" style="width: 35px; color: rgba(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="LC315" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC316" class="line" lang="haskell">    <span class="n" style="color: #333;">tc_arg</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">EValArg</span> <span class="p">{</span> <span class="n" style="color: #333;">eva_loc</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">loc</span></span>

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<pre style="margin: 0;">+<span id="LC317" class="line" lang="haskell">                      <span class="p">,</span> <span class="n" style="color: #333;">eva_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ValArg</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsVar</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">tvname</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l'</span> <span class="n" style="color: #333;">name</span><span class="p">)))</span></span>

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<pre style="margin: 0;">+<span id="LC318" class="line" lang="haskell">                      <span class="p">,</span> <span class="n" style="color: #333;">eva_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ty</span> <span class="p">})</span></span>

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<pre style="margin: 0;">+<span id="LC319" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">+</span> <span class="mi" style="color: #099;">1</span><span class="p">,</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ETypeArg</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">arg'</span> <span class="p">(</span><span class="n" style="color: #333;">irrelevantMult</span> <span class="n" style="color: #333;">ty</span><span class="p">)))</span></span>

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<pre style="margin: 0;">+<span id="LC320" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC321" class="line" lang="haskell">        <span class="n" style="color: #333;">arg'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsWC</span> <span class="p">{</span> <span class="n" style="color: #333;">hswc_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">ty_arg</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC322" class="line" lang="haskell">                    <span class="p">,</span> <span class="n" style="color: #333;">hswc_ext</span>  <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="n" style="color: #333;">name</span><span class="p">]</span></span>

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<pre style="margin: 0;">+<span id="LC323" class="line" lang="haskell">                    <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC324" class="line" lang="haskell">        <span class="n" style="color: #333;">ty_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsTyVar</span> <span class="kt" style="color: #458; font-weight: 600;">NoExtField</span> <span class="kt" style="color: #458; font-weight: 600;">IsPromoted</span> <span class="n" style="color: #333;">tvname</span></span>

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<pre style="margin: 0;">+<span id="LC325" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell">    <span class="n" style="color: #333;">tc_arg</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">eva</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">EValArg</span> <span class="p">{</span> <span class="n" style="color: #333;">eva_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg</span><span class="p">,</span> <span class="n" style="color: #333;">eva_arg_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">mult</span> <span class="n" style="color: #333;">arg_ty</span> <span class="p">})</span></span>

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<pre style="margin: 0;"> <span id="LC327" 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="c1" style="color: #998; font-style: italic;">-- Crucial step: expose QL results before checking arg_ty</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;">-- So far as the paper is concerned, this step applies</span></span>

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<td class="diff-line-num unfold js-unfold old_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">...</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">@@ -579,6 +590,26 @@ tcVTA fun_ty hs_ty</td>

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<pre style="margin: 0;"> <span id="LC590" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">debugPprType</span> <span class="n" style="color: #333;">insted_ty</span> <span class="p">])</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC591" 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;">ty_arg</span><span class="p">,</span> <span class="n" style="color: #333;">insted_ty</span><span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC592" class="line" lang="haskell"></span>

</pre>

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593

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<pre style="margin: 0;">+<span id="LC593" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="p">(</span><span class="n" style="color: #333;">bndr</span> <span class="o" style="font-weight: 600;">:</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">splitForAllTysReq</span> <span class="n" style="color: #333;">fun_ty</span></span>

</pre>

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<td class="diff-line-num new new_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">

594

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<pre style="margin: 0;">+<span id="LC594" 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;">tv</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">binderVar</span> <span class="n" style="color: #333;">bndr</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="595" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

595

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<pre style="margin: 0;">+<span id="LC595" class="line" lang="haskell">             <span class="n" style="color: #333;">kind</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tyVarKind</span> <span class="n" style="color: #333;">tv</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

596

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<pre style="margin: 0;">+<span id="LC596" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">ty_arg</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcHsTypeApp</span> <span class="n" style="color: #333;">hs_ty</span> <span class="n" style="color: #333;">kind</span></span>

</pre>

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<td class="diff-line-num new new_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">

597

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<pre style="margin: 0;">+<span id="LC597" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"ty_arg is"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty_arg</span><span class="p">)</span></span>

</pre>

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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 new new_line" data-linenumber="599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

599

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<pre style="margin: 0;">+<span id="LC599" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">inner_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zonkTcType</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="600" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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;">-- See Note [Visible type application zonk]</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

601

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<pre style="margin: 0;">+<span id="LC601" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="602" style="width: 35px; color: rgba(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="LC602" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">in_scope</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkInScopeSet</span> <span class="p">(</span><span class="n" style="color: #333;">tyCoVarsOfTypes</span> <span class="p">[</span><span class="n" style="color: #333;">fun_ty</span><span class="p">,</span> <span class="n" style="color: #333;">ty_arg</span><span class="p">])</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

603

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<pre style="margin: 0;">+<span id="LC603" class="line" lang="haskell">             <span class="n" style="color: #333;">insted_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">substTyWithInScope</span> <span class="n" style="color: #333;">in_scope</span> <span class="p">[</span><span class="n" style="color: #333;">tv</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">ty_arg</span><span class="p">]</span> <span class="n" style="color: #333;">inner_ty</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="604" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

604

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<pre style="margin: 0;">+<span id="LC604" class="line" lang="haskell">                              <span class="c1" style="color: #998; font-style: italic;">-- NB: tv and ty_arg have the same kind, so this</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="605" style="width: 35px; color: rgba(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="LC605" class="line" lang="haskell">                              <span class="c1" style="color: #998; font-style: italic;">--     substitution is kind-respecting</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="p">;</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"VTA"</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;">tv</span><span class="p">,</span> <span class="n" style="color: #333;">debugPprType</span> <span class="n" style="color: #333;">kind</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="607" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

607

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<pre style="margin: 0;">+<span id="LC607" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">debugPprType</span> <span class="n" style="color: #333;">ty_arg</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

608

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<pre style="margin: 0;">+<span id="LC608" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">debugPprType</span> <span class="p">(</span><span class="n" style="color: #333;">tcTypeKind</span> <span class="n" style="color: #333;">ty_arg</span><span class="p">)</span></span>

</pre>

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<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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<pre style="margin: 0;">+<span id="LC609" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">debugPprType</span> <span class="n" style="color: #333;">inner_ty</span></span>

</pre>

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</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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<pre style="margin: 0;">+<span id="LC610" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">debugPprType</span> <span class="n" style="color: #333;">insted_ty</span> <span class="p">])</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="582" style="width: 35px; color: rgba(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="611" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

611

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<pre style="margin: 0;">+<span id="LC611" 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;">ty_arg</span><span class="p">,</span> <span class="n" style="color: #333;">insted_ty</span><span class="p">)</span> <span class="p">}</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="582" style="width: 35px; color: rgba(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="612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

612

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<pre style="margin: 0;">+<span id="LC612" class="line" lang="haskell"></span>

</pre>

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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="613" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

613

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<pre style="margin: 0;"> <span id="LC613" 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="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

</td>

<td class="diff-line-num new_line" data-linenumber="614" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

614

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<pre style="margin: 0;"> <span id="LC614" 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="p">(</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span> <span class="n" style="color: #333;">fun_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zonkTidyTcType</span> <span class="n" style="color: #333;">emptyTidyEnv</span> <span class="n" style="color: #333;">fun_ty</span></span>

</pre>

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<td class="diff-line-num old_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

</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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<pre style="margin: 0;"> <span id="LC615" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">failWith</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="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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1087,5 +1118,3 @@ tcTagToEnum expr fun args app_res_ty res_ty</td>

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1087

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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>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1088" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1088

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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="n" style="color: #333;">tcExprPrag</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsPragE</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;">HsPragE</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span></span>

</pre>

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<td class="diff-line-num old_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">

1089

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC1120" class="line" lang="haskell"><span class="n" style="color: #333;">tcExprPrag</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPragSCC</span> <span class="n" style="color: #333;">x1</span> <span class="n" style="color: #333;">src</span> <span class="n" style="color: #333;">ann</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPragSCC</span> <span class="n" style="color: #333;">x1</span> <span class="n" style="color: #333;">src</span> <span class="n" style="color: #333;">ann</span></span></pre>

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<td class="diff-line-num old old_line" data-linenumber="1090" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1090

</td>

<td class="diff-line-num new_line old" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1090" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1091" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1091

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<td class="diff-line-num new_line old" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1091" class="line" lang="haskell"></span></pre>

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<br>

</li>

<li id="71fa5eb3ba70e1d3a6181a226c2c227d42f1eb7d">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#71fa5eb3ba70e1d3a6181a226c2c227d42f1eb7d"><strong>compiler/GHC/Tc/Gen/Arrow.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 class="diff-line-num unfold js-unfold old_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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -31,6 +31,7 @@ import GHC.Tc.Utils.Env</td>

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<td class="diff-line-num old_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">

31

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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">

31

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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.Tc.Types.Origin</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="32" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

32

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<td class="diff-line-num new_line" data-linenumber="32" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

32

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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.Tc.Types.Evidence</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

33

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<td class="diff-line-num new_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

33

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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.Core.Multiplicity</span></span>

</pre>

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<td class="diff-line-num new old_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">

</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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<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;">GHC.Core.TyCo.Rep</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">ArgType</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num 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">

34

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<td class="diff-line-num new_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">

35

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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.Types.Id</span><span class="p">(</span> <span class="n" style="color: #333;">mkLocalId</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num 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">

35

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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.Instantiate</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.Builtin.Types</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="265" style="width: 35px; color: rgba(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="266" style="width: 35px; color: rgba(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">@@ -265,7 +266,7 @@ tc_cmd env</td>

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<pre style="margin: 0;"> <span id="LC266" class="line" lang="haskell">                                         <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>

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<pre style="margin: 0;"> <span id="LC267" class="line" lang="haskell">              <span class="n" style="color: #333;">arg_tys</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;">unrestricted</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">hsLPatType</span><span class="p">)</span> <span class="n" style="color: #333;">pats'</span></span>

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<pre style="margin: 0;"> <span id="LC268" class="line" lang="haskell">              <span class="n" style="color: #333;">cmd'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsCmdLam</span> <span class="n" style="color: #333;">x</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">[</span><span class="n" style="color: #333;">match'</span><span class="p">]</span></span>

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<pre style="margin: 0;">-<span id="LC268" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;"><span class="idiff left right">arg_tys</span></span> <span class="n" style="color: #333;">res_ty</span></span>

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<pre style="margin: 0;">+<span id="LC269" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NormalArgType</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">arg_tys</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">res_ty</span></span>

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<pre style="margin: 0;"> <span id="LC270" class="line" lang="haskell">                                    <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">origin</span> <span class="p">})</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC271" 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;">mkHsCmdWrap</span> <span class="p">(</span><span class="n" style="color: #333;">mkWpCastN</span> <span class="n" style="color: #333;">co</span><span class="p">)</span> <span class="n" style="color: #333;">cmd'</span><span class="p">)</span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC272" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<br>

</li>

<li id="902811828741e6bcd64702935bbb54edbbd070ef">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#902811828741e6bcd64702935bbb54edbbd070ef"><strong>compiler/GHC/Tc/Gen/Expr.hs</strong></a>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1124,7 +1124,7 @@ tcSynArgE orig sigma_ty syn_ty thing_inside</td>

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<pre style="margin: 0;"> <span id="LC1124" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">res_wrapper</span> <span class="p">)</span>                     <span class="c1" style="color: #998; font-style: italic;">-- :: res_ty_out "->" res_ty</span></span>

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<pre style="margin: 0;"> <span id="LC1125" class="line" lang="haskell">               <span class="p">,</span> <span class="n" style="color: #333;">arg_wrapper1</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;">arg_wrapper2</span> <span class="p">)</span> <span class="p">)</span>  <span class="c1" style="color: #998; font-style: italic;">-- :: arg_ty "->" arg_ty_out</span></span>

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<pre style="margin: 0;"> <span id="LC1126" class="line" lang="haskell">               <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">matchExpectedFunTys</span> <span class="n" style="color: #333;">herald</span> <span class="kt" style="color: #458; font-weight: 600;">GenSigCtxt</span> <span class="mi" style="color: #099;">1</span> <span class="p">(</span><span class="n" style="color: #333;">mkCheckExpType</span> <span class="n" style="color: #333;">rho_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

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<pre style="margin: 0;">-<span id="LC1127" class="line" lang="haskell">                  <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="p">[</span><span class="n" style="color: #333;">arg_ty</span><span class="p">]</span> <span class="n" style="color: #333;">res_ty</span> <span class="o" style="font-weight: 600;">-></span></span>

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<pre style="margin: 0;">+<span id="LC1127" class="line" lang="haskell">                  <span class="nf" style="color: #900; font-weight: 600;">\</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgTy</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">arg_ty</span><span class="p">]</span> <span class="n" style="color: #333;">res_ty</span> <span class="o" style="font-weight: 600;">-></span></span>

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1128

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1128

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<pre style="margin: 0;"> <span id="LC1128" class="line" lang="haskell">                  <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">arg_tc_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">expTypeToType</span> <span class="p">(</span><span class="n" style="color: #333;">scaledThing</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span></span>

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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

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1129

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<pre style="margin: 0;"> <span id="LC1129" class="line" lang="haskell">                     <span class="p">;</span> <span class="n" style="color: #333;">res_tc_ty</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">expTypeToType</span> <span class="n" style="color: #333;">res_ty</span></span>

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1130

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1130

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<pre style="margin: 0;"> <span id="LC1130" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="3377164bfe9a1f1a8cfd588703ae1e0ea1e91cf9">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#3377164bfe9a1f1a8cfd588703ae1e0ea1e91cf9"><strong>compiler/GHC/Tc/Gen/Match.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="57" style="width: 35px; color: rgba(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="57" style="width: 35px; color: rgba(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">@@ -57,6 +57,7 @@ import GHC.Types.Name</td>

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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Types</span></span>

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58

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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Id</span></span>

</pre>

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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">

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<pre style="margin: 0;"> <span id="LC59" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCon</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC60" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">ArgType</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="LC61" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Types.Prim</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="62" style="width: 35px; color: rgba(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="LC62" 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>

</pre>

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<td class="diff-line-num new_line" data-linenumber="63" style="width: 35px; color: rgba(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="LC63" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Outputable</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="141" style="width: 35px; color: rgba(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="142" style="width: 35px; color: rgba(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">@@ -141,7 +142,7 @@ tcMatchesCase :: (Outputable (body GhcRn)) =></td>

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141

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<td class="diff-line-num new_line" data-linenumber="142" style="width: 35px; color: rgba(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="LC142" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- wrapper goes from MatchGroup's ty to expected ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="142" style="width: 35px; color: rgba(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="143" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

143

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<pre style="margin: 0;"> <span id="LC143" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="143" style="width: 35px; color: rgba(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="144" style="width: 35px; color: rgba(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="LC144" class="line" lang="haskell"><span class="n" style="color: #333;">tcMatchesCase</span> <span class="n" style="color: #333;">ctxt</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">scrut_mult</span> <span class="n" style="color: #333;">scrut_ty</span><span class="p">)</span> <span class="n" style="color: #333;">matches</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="144" style="width: 35px; color: rgba(0,0,0,0.3); 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="145" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC144" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcMatches</span> <span class="n" style="color: #333;">ctxt</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">Scaled</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">scrut_mult</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">mkCheckExpType</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">scrut_ty</span></span><span class="p">)]</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">matches</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="145" style="width: 35px; color: rgba(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="145" style="width: 35px; color: rgba(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="LC145" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tcMatches</span> <span class="n" style="color: #333;">ctxt</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgTy</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">Scaled</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">scrut_mult</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">mkCheckExpType</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">scrut_ty</span></span><span class="p"><span class="idiff right">)</span>)]</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">matches</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC146" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC147" class="line" lang="haskell"><span class="n" style="color: #333;">tcMatchLambda</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span> <span class="c1" style="color: #998; font-style: italic;">-- see Note [Herald for matchExpectedFunTys] in GHC.Tc.Utils.Unify</span></span>

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<pre style="margin: 0;"> <span id="LC148" class="line" lang="haskell">              <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcMatchCtxt</span> <span class="kt" style="color: #458; font-weight: 600;">HsExpr</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="187" style="width: 35px; color: rgba(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="188" style="width: 35px; color: rgba(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">@@ -187,7 +188,7 @@ data TcMatchCtxt body   -- c.f. TcStmtCtxt, also in this module</td>

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<pre style="margin: 0;"> <span id="LC188" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell"><span class="cd">-- | Type-check a MatchGroup.</span></span>

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<pre style="margin: 0;"> <span id="LC190" class="line" lang="haskell"><span class="n" style="color: #333;">tcMatches</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">TcMatchCtxt</span> <span class="n" style="color: #333;">body</span></span>

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<td class="diff-line-num new_line old" data-linenumber="191" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC190" 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;"><span class="idiff left">Scaled</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">ExpSigmaType</span></span><span class="p">]</span>      <span class="c1" style="color: #998; font-style: italic;">-- Expected pattern types</span></span>

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<pre style="margin: 0;">+<span id="LC191" 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;"><span class="idiff left right">ArgTy</span></span><span class="p">]</span>      <span class="c1" style="color: #998; font-style: italic;">-- Expected pattern types</span></span>

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<td class="diff-line-num new_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">

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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span>                 <span class="c1" style="color: #998; font-style: italic;">-- Expected result-type of the Match.</span></span>

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<pre style="margin: 0;"> <span id="LC193" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroup</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">))</span></span>

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<pre style="margin: 0;"> <span id="LC194" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MatchGroup</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;">Located</span> <span class="p">(</span><span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)))</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="199" style="width: 35px; color: rgba(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="200" style="width: 35px; color: rgba(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">@@ -199,7 +200,7 @@ tcMatches ctxt pat_tys rhs_ty (MG { mg_alts = L l matches</td>

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<pre style="margin: 0;"> <span id="LC200" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- when in inference mode, so we must do it ourselves,</span></span>

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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- here, using expTypeToType</span></span>

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<pre style="margin: 0;"> <span id="LC202" 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;">tcEmitBindingUsage</span> <span class="n" style="color: #333;">bottomUE</span></span>

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<pre style="margin: 0;">-<span id="LC202" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">pat_tys</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;"><span class="idiff left right">scaledExpTypeTo</span>Type</span> <span class="n" style="color: #333;">pat_tys</span></span>

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<pre style="margin: 0;">+<span id="LC203" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">pat_tys</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;"><span class="idiff left right">argTyToArg</span>Type</span> <span class="n" style="color: #333;">pat_tys</span></span>

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<pre style="margin: 0;"> <span id="LC204" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rhs_ty</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">expTypeToType</span> <span class="n" style="color: #333;">rhs_ty</span></span>

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<pre style="margin: 0;"> <span id="LC205" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>

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<pre style="margin: 0;"> <span id="LC206" class="line" lang="haskell">                    <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;">pat_tys</span> <span class="n" style="color: #333;">rhs_ty</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">@@ -209,15 +210,20 @@ tcMatches ctxt pat_tys rhs_ty (MG { mg_alts = L l matches</td>

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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="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">umatches</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;">tcCollectingUsage</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">tcMatch</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">pat_tys</span> <span class="n" style="color: #333;">rhs_ty</span><span class="p">)</span> <span class="n" style="color: #333;">matches</span></span>

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<pre style="margin: 0;"> <span id="LC211" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">usages</span><span class="p">,</span><span class="n" style="color: #333;">matches'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unzip</span> <span class="n" style="color: #333;">umatches</span></span>

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<pre style="margin: 0;"> <span id="LC212" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">tcEmitBindingUsage</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">supUEs</span> <span class="n" style="color: #333;">usages</span></span>

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<pre style="margin: 0;">-<span id="LC212" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">pat_tys</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;"><span class="idiff left right">readScaledExp</span>Type</span> <span class="n" style="color: #333;">pat_tys</span></span>

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<pre style="margin: 0;">+<span id="LC213" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">pat_tys</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;"><span class="idiff left right">argTyToArg</span>Type</span> <span class="n" style="color: #333;">pat_tys</span></span>

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<pre style="margin: 0;"> <span id="LC214" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rhs_ty</span>   <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">readExpType</span> <span class="n" style="color: #333;">rhs_ty</span></span>

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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;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span>   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">matches'</span></span>

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<pre style="margin: 0;"> <span id="LC216" class="line" lang="haskell">                    <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;">pat_tys</span> <span class="n" style="color: #333;">rhs_ty</span></span>

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<pre style="margin: 0;"> <span id="LC217" class="line" lang="haskell">                    <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">origin</span> <span class="p">})</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC218" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC219" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC220" class="line" lang="haskell">    <span class="n" style="color: #333;">argTyToArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NormalArgTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">t</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NormalArgType</span> <span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">m</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">readExpType</span> <span class="n" style="color: #333;">t</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC221" class="line" lang="haskell">    <span class="n" style="color: #333;">argTyToArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForallArgTy</span> <span class="n" style="color: #333;">p</span><span class="p">)</span>            <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForallArgType</span> <span class="n" style="color: #333;">p</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC222" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC223" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC224" 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="LC225" class="line" lang="haskell"><span class="n" style="color: #333;">tcMatch</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">TcMatchCtxt</span> <span class="n" style="color: #333;">body</span></span>

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<td class="diff-line-num new_line old" data-linenumber="226" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC220" 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;"><span class="idiff left">Scaled</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">ExpSigmaType</span></span><span class="p">]</span>        <span class="c1" style="color: #998; font-style: italic;">-- Expected pattern types</span></span>

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<pre style="margin: 0;">+<span id="LC226" 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;"><span class="idiff left right">ArgTy</span></span><span class="p">]</span>        <span class="c1" style="color: #998; font-style: italic;">-- Expected pattern types</span></span>

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<pre style="margin: 0;"> <span id="LC227" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span>            <span class="c1" style="color: #998; font-style: italic;">-- Expected result-type of the Match.</span></span>

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<pre style="margin: 0;"> <span id="LC228" class="line" lang="haskell">        <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;">GhcRn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">))</span></span>

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<pre style="margin: 0;"> <span id="LC229" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</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;">Located</span> <span class="p">(</span><span class="n" style="color: #333;">body</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</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">@@ -228,7 +234,7 @@ tcMatch ctxt pat_tys rhs_ty match</td>

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<pre style="margin: 0;"> <span id="LC234" class="line" lang="haskell">    <span class="n" style="color: #333;">tc_match</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">pat_tys</span> <span class="n" style="color: #333;">rhs_ty</span></span>

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<pre style="margin: 0;"> <span id="LC235" class="line" lang="haskell">             <span class="n" style="color: #333;">match</span><span class="o" 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>

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<pre style="margin: 0;"> <span id="LC236" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">add_match_ctxt</span> <span class="n" style="color: #333;">match</span> <span class="o" style="font-weight: 600;">$</span></span>

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<pre style="margin: 0;">-<span id="LC231" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">pats'</span><span class="p">,</span> <span class="n" style="color: #333;">grhss'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcPats</span> <span class="p">(</span><span class="n" style="color: #333;">mc_what</span> <span class="n" style="color: #333;">ctxt</span><span class="p">)</span> <span class="n" style="color: #333;">pats</span> <span class="n" style="color: #333;"><span class="idiff left right">pat_tys</span></span> <span class="o" style="font-weight: 600;">$</span></span>

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<pre style="margin: 0;">+<span id="LC237" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">pats'</span><span class="p">,</span> <span class="n" style="color: #333;">grhss'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcPats</span> <span class="p">(</span><span class="n" style="color: #333;">mc_what</span> <span class="n" style="color: #333;">ctxt</span><span class="p">)</span> <span class="n" style="color: #333;">pats</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">scaledExpTypes</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pat_tys</span></span><span class="p"><span class="idiff right">)</span></span> <span class="o" style="font-weight: 600;">$</span></span>

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<pre style="margin: 0;"> <span id="LC238" class="line" lang="haskell">                                <span class="n" style="color: #333;">tcGRHSs</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>

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<pre style="margin: 0;"> <span id="LC239" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">return</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_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noExtField</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC240" class="line" lang="haskell">                           <span class="p">,</span> <span class="n" style="color: #333;">m_ctxt</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mc_what</span> <span class="n" style="color: #333;">ctxt</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>

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<br>

</li>

<li id="5c0a7f8291c984f0fc06f59e7cf10dbecc11598b">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#5c0a7f8291c984f0fc06f59e7cf10dbecc11598b"><strong>compiler/GHC/Tc/TyCl/PatSyn.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="46" style="width: 35px; color: rgba(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="46" style="width: 35px; color: rgba(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">@@ -46,6 +46,7 @@ import GHC.Types.Basic</td>

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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Solver</span></span>

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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.Unify</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Predicate</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">ArgType</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Builtin.Types</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Tc.Utils.TcType</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC52" 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>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="728" style="width: 35px; color: rgba(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="729" style="width: 35px; color: rgba(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">@@ -728,14 +729,14 @@ tcPatSynMatcher (L loc name) lpat</td>

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<pre style="margin: 0;"> <span id="LC729" class="line" lang="haskell">                    <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="p">(</span><span class="n" style="color: #333;">getLoc</span> <span class="n" style="color: #333;">lpat</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC730" class="line" lang="haskell">                    <span class="kt" style="color: #458; font-weight: 600;">HsCase</span> <span class="n" style="color: #333;">noExtField</span> <span class="p">(</span><span class="n" style="color: #333;">nlHsVar</span> <span class="n" style="color: #333;">scrutinee</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC731" class="line" lang="haskell">                    <span class="kt" style="color: #458; font-weight: 600;">MG</span><span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="p">(</span><span class="n" style="color: #333;">getLoc</span> <span class="n" style="color: #333;">lpat</span><span class="p">)</span> <span class="n" style="color: #333;">cases</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC731" class="line" lang="haskell">                      <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="n" style="color: #333;"><span class="idiff left">unrestricted</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">pat_ty</span></span><span class="p">]</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC732" class="line" lang="haskell">                      <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgType</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">unrestricted</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">pat_ty</span></span><span class="p"><span class="idiff right">)</span>]</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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732

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<td class="diff-line-num new_line" data-linenumber="733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

733

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<pre style="margin: 0;"> <span id="LC733" class="line" lang="haskell">                      <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Generated</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

733

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<td class="diff-line-num new_line" data-linenumber="734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

734

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<pre style="margin: 0;"> <span id="LC734" class="line" lang="haskell">                      <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

734

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<td class="diff-line-num new_line" data-linenumber="735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

735

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<pre style="margin: 0;"> <span id="LC735" class="line" lang="haskell">             <span class="n" style="color: #333;">body'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

735

</td>

<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="kt" style="color: #458; font-weight: 600;">HsLam</span> <span class="n" style="color: #333;">noExtField</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_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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<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 class="kt" style="color: #458; font-weight: 600;">MG</span><span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noLoc</span> <span class="p">[</span><span class="n" style="color: #333;">mkSimpleMatch</span> <span class="kt" style="color: #458; font-weight: 600;">LambdaExpr</span></span>

</pre>

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737

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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="n" style="color: #333;">args</span> <span class="n" style="color: #333;">body</span><span class="p">]</span></span>

</pre>

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738

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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="LC738" class="line" lang="haskell">                       <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;"><span class="idiff left right">unrestricted</span></span> <span class="p">[</span><span class="n" style="color: #333;">pat_ty</span><span class="p">,</span> <span class="n" style="color: #333;">cont_ty</span><span class="p">,</span> <span class="n" style="color: #333;">fail_ty</span><span class="p">])</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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</td>

<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="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NormalArgType</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">unrestricted</span></span><span class="p"><span class="idiff right">)</span></span> <span class="p">[</span><span class="n" style="color: #333;">pat_ty</span><span class="p">,</span> <span class="n" style="color: #333;">cont_ty</span><span class="p">,</span> <span class="n" style="color: #333;">fail_ty</span><span class="p">])</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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739

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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

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<pre style="margin: 0;"> <span id="LC740" class="line" lang="haskell">                       <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Generated</span></span>

</pre>

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740

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<td class="diff-line-num new_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

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<pre style="margin: 0;"> <span id="LC741" class="line" lang="haskell">                       <span class="p">}</span></span>

</pre>

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741

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<td class="diff-line-num new_line" data-linenumber="742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

742

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<pre style="margin: 0;"> <span id="LC742" class="line" lang="haskell">             <span class="n" style="color: #333;">match</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkMatch</span> <span class="p">(</span><span class="n" style="color: #333;">mkPrefixFunRhs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">loc</span> <span class="n" style="color: #333;">name</span><span class="p">))</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>

</pre>

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<br>

</li>

<li id="5461e7beeb7ae73d7c01f720cbaa3fa2c5333590">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#5461e7beeb7ae73d7c01f720cbaa3fa2c5333590"><strong>compiler/GHC/Tc/Utils/TcType.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_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">...</td>

<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -28,6 +28,7 @@ module GHC.Tc.Utils.TcType (</td>

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28

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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="kt" style="color: #458; font-weight: 600;">TcTyCon</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">KnotTied</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num old_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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<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>

</pre>

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<td class="diff-line-num old_line" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

30

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<td class="diff-line-num new_line" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

30

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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">ExpType</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;">InferResult</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;">ExpSigmaType</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkCheckExpType</span><span class="p">,</span></span>

</pre>

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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;">ArgTy</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;">scaledExpTypes</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC32" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">SyntaxOpType</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;">synKnownType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkSynFunTys</span><span class="p">,</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="398" style="width: 35px; color: rgba(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">@@ -398,6 +399,16 @@ instance Outputable InferResult where</td>

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<pre style="margin: 0;"> <span id="LC399" class="line" lang="haskell"><span class="n" style="color: #333;">mkCheckExpType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpType</span></span>

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<pre style="margin: 0;"> <span id="LC400" class="line" lang="haskell"><span class="n" style="color: #333;">mkCheckExpType</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Check</span></span>

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<pre style="margin: 0;"> <span id="LC401" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC402" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">ArgTy</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC403" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NormalArgTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="kt" style="color: #458; font-weight: 600;">ExpSigmaType</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC404" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">ForallArgTy</span> <span class="kt" style="color: #458; font-weight: 600;">ReqTVBinder</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC405" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC406" class="line" lang="haskell"><span class="n" style="color: #333;">scaledExpTypes</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">ArgTy</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;">Scaled</span> <span class="kt" style="color: #458; font-weight: 600;">ExpSigmaType</span><span class="p">]</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC407" class="line" lang="haskell"><span class="n" style="color: #333;">scaledExpTypes</span> <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;">[]</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC408" class="line" lang="haskell"><span class="n" style="color: #333;">scaledExpTypes</span> <span class="p">(</span><span class="n" style="color: #333;">arg_ty</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">arg_tys</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="409" style="width: 35px; color: rgba(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="LC409" 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;">arg_ty</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="410" style="width: 35px; color: rgba(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="LC410" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">NormalArgTy</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">scaledExpTypes</span> <span class="n" style="color: #333;">arg_tys</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="411" style="width: 35px; color: rgba(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="LC411" 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;">scaledExpTypes</span> <span class="n" style="color: #333;">arg_tys</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC412" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

413

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<pre style="margin: 0;"> <span id="LC413" 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="403" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

403

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<td class="diff-line-num new_line" data-linenumber="414" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

414

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<pre style="margin: 0;"> <span id="LC414" 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="1286" style="width: 35px; color: rgba(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="1297" style="width: 35px; color: rgba(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">@@ -1286,9 +1297,9 @@ tcSplitPhiTy ty</td>

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<td class="diff-line-num old_line" data-linenumber="1286" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1286

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<td class="diff-line-num new_line" data-linenumber="1297" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1297

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<pre style="margin: 0;"> <span id="LC1297" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1287" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1287

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<td class="diff-line-num 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">

1298

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<pre style="margin: 0;"> <span id="LC1298" class="line" lang="haskell"><span class="cd">-- | Split a sigma type into its parts.</span></span>

</pre>

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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

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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="n" style="color: #333;">tcSplitSigmaTy</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;">TyVar</span><span class="p">],</span> <span class="kt" style="color: #458; font-weight: 600;">ThetaType</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Type</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1289" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1289

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<td class="diff-line-num new_line old" data-linenumber="1300" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1289" class="line" lang="haskell"><span class="n" style="color: #333;">tcSplitSigmaTy</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">tcSplitForAllTys</span> <span class="n" style="color: #333;">ty</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="1290" style="width: 35px; color: rgba(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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1300

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<pre style="margin: 0;">+<span id="LC1300" class="line" lang="haskell"><span class="n" style="color: #333;">tcSplitSigmaTy</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">tcSplitForAllTys<span class="idiff left right">Invis</span></span> <span class="n" style="color: #333;">ty</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="1290" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1290

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<td class="diff-line-num new_line" data-linenumber="1301" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1301

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<pre style="margin: 0;"> <span id="LC1301" 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;">rho</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">tcSplitPhiTy</span> <span class="n" style="color: #333;">rho</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="1291" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1291

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<td class="diff-line-num new_line old" data-linenumber="1302" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1291" class="line" lang="haskell">                                        <span class="p">(</span><span class="n" style="color: #333;">theta</span><span class="p">,</span> <span class="n" style="color: #333;">tau</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">tvs</span><span class="p">,</span> <span class="n" style="color: #333;">theta</span><span class="p">,</span> <span class="n" style="color: #333;">tau</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1292" style="width: 35px; color: rgba(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="1302" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1302

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<pre style="margin: 0;">+<span id="LC1302" class="line" lang="haskell">                                        <span class="p">(</span><span class="n" style="color: #333;">theta</span><span class="p">,</span> <span class="n" style="color: #333;">tau</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">binderVar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff"><$></span></span><span class="idiff right"> </span><span class="n" style="color: #333;">tvs</span><span class="p">,</span> <span class="n" style="color: #333;">theta</span><span class="p">,</span> <span class="n" style="color: #333;">tau</span><span class="p">)</span></span>

</pre>

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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

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<td class="diff-line-num new_line" data-linenumber="1303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1303

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<pre style="margin: 0;"> <span id="LC1303" class="line" lang="haskell"></span>

</pre>

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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

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<td class="diff-line-num new_line" data-linenumber="1304" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1304

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<pre style="margin: 0;"> <span id="LC1304" class="line" lang="haskell"><span class="cd">-- | Split a sigma type into its parts, going underneath as many @ForAllTy@s</span></span>

</pre>

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1294

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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;">-- as possible. For example, given this type synonym:</span></span>

</pre>

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<br>

</li>

<li id="74295edeac870ee7f2f3484ebaffab5c948b735a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#74295edeac870ee7f2f3484ebaffab5c948b735a"><strong>compiler/GHC/Tc/Utils/Unify.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="156" style="width: 35px; color: rgba(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="156" style="width: 35px; color: rgba(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">@@ -156,7 +156,7 @@ matchActualFunTySigma herald mb_thing err_info fun_ty</td>

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156

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156

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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell"></span>

</pre>

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157

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<pre style="margin: 0;"> <span id="LC157" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">------------</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_ctxt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MsgDoc</span><span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC159" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_ctxt</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFunTysMsg</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">herald</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;"><span class="idiff left right">arg_tys_so_far</span></span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC159" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_ctxt</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFunTysMsg</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">herald</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NormalArgType</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">arg_tys_so_far</span></span><span class="p"><span class="idiff right">)</span>)</span></span>

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<pre style="margin: 0;"> <span id="LC160" class="line" lang="haskell">                                     <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">n_val_args_in_call</span></span>

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<pre style="margin: 0;"> <span id="LC161" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">n_val_args_in_call</span><span class="p">,</span> <span class="n" style="color: #333;">arg_tys_so_far</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">err_info</span></span>

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<pre style="margin: 0;"> <span id="LC162" class="line" lang="haskell"></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="290" style="width: 35px; color: rgba(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="290" style="width: 35px; color: rgba(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">@@ -290,7 +290,7 @@ matchExpectedFunTys :: forall a.</td>

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<pre style="margin: 0;"> <span id="LC290" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">UserTypeCtxt</span></span>

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<pre style="margin: 0;"> <span id="LC291" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span></span>

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<pre style="margin: 0;"> <span id="LC292" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span>      <span class="c1" style="color: #998; font-style: italic;">-- Skolemised</span></span>

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<pre style="margin: 0;">-<span id="LC293" 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;"><span class="idiff left">Scaled</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">ExpSigmaType</span></span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC293" 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;"><span class="idiff left right">ArgTy</span></span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC294" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWrapper</span><span class="p">,</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC295" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- If    matchExpectedFunTys n ty = (_, wrap)</span></span>

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<pre style="margin: 0;"> <span id="LC296" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- then  wrap : (t1 -> ... -> tn -> ty_r) ~> ty,</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="320" style="width: 35px; color: rgba(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="320" style="width: 35px; color: rgba(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">@@ -320,7 +320,7 @@ matchExpectedFunTys herald ctx arity orig_ty thing_inside</td>

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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC321" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FunTy</span> <span class="p">{</span> <span class="n" style="color: #333;">ft_mult</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mult</span><span class="p">,</span> <span class="n" style="color: #333;">ft_af</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">af</span><span class="p">,</span> <span class="n" style="color: #333;">ft_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">,</span> <span class="n" style="color: #333;">ft_res</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">res_ty</span> <span class="p">})</span></span>

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<pre style="margin: 0;"> <span id="LC322" 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;">af</span> <span class="o" style="font-weight: 600;">==</span> <span class="kt" style="color: #458; font-weight: 600;">VisArg</span> <span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC323" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">wrap_res</span><span class="p">,</span> <span class="n" style="color: #333;">result</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">go</span> <span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">mult</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkCheckExpType</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">acc_arg_tys</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC323" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">wrap_res</span><span class="p">,</span> <span class="n" style="color: #333;">result</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">go</span> <span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">NormalArgTy</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">mult</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkCheckExpType</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">acc_arg_tys</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell">                                      <span class="p">(</span><span class="n" style="color: #333;">n</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;">res_ty</span></span>

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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">fun_wrap</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkWpFun</span> <span class="n" style="color: #333;">idHsWrapper</span> <span class="n" style="color: #333;">wrap_res</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">mult</span> <span class="n" style="color: #333;">arg_ty</span><span class="p">)</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">doc</span></span>

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<pre style="margin: 0;"> <span id="LC326" 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;">fun_wrap</span><span class="p">,</span> <span class="n" style="color: #333;">result</span> <span class="p">)</span> <span class="p">}</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="328" style="width: 35px; color: rgba(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">@@ -328,6 +328,16 @@ matchExpectedFunTys herald ctx arity orig_ty thing_inside</td>

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<pre style="margin: 0;"> <span id="LC328" class="line" lang="haskell">        <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;">"When inferring the argument type of a function with type"</span> <span class="o" style="font-weight: 600;"><+></span></span>

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<pre style="margin: 0;"> <span id="LC329" class="line" lang="haskell">              <span class="n" style="color: #333;">quotes</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">orig_ty</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC330" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC331" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">ty</span></span>

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<pre style="margin: 0;">+<span id="LC332" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="p">(</span><span class="n" style="color: #333;">bndrs</span><span class="p">,</span> <span class="n" style="color: #333;">ty'</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcSplitForAllTysReq</span> <span class="n" style="color: #333;">ty</span></span>

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<pre style="margin: 0;">+<span id="LC333" class="line" lang="haskell">      <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;">bndrs</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC334" 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;">forall_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForallArgTy</span> <span class="o" style="font-weight: 600;"><$></span> <span class="n" style="color: #333;">bndrs</span></span>

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<pre style="margin: 0;">+<span id="LC335" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">req_arg_tys</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">forall_args</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">acc_arg_tys</span></span>

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<pre style="margin: 0;">+<span id="LC336" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg_num</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">-</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">forall_args</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC337" class="line" lang="haskell">           <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">wrap_gen</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">wrap_res</span><span class="p">,</span> <span class="n" style="color: #333;">result</span><span class="p">))</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">tcSkolemise</span> <span class="n" style="color: #333;">ctx</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="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;">-></span></span>

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<pre style="margin: 0;">+<span id="LC338" class="line" lang="haskell">                                                         <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">req_arg_tys</span> <span class="n" style="color: #333;">arg_num</span> <span class="n" style="color: #333;">ty'</span></span>

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<pre style="margin: 0;">+<span id="LC339" 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;">wrap_gen</span> <span class="o" style="font-weight: 600;"><.></span> <span class="n" style="color: #333;">wrap_res</span><span class="p">,</span> <span class="n" style="color: #333;">result</span><span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC340" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC341" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">ty</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TyVarTy</span> <span class="n" style="color: #333;">tv</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC342" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isMetaTyVar</span> <span class="n" style="color: #333;">tv</span></span>

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<pre style="margin: 0;"> <span id="LC343" 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;">cts</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">readMetaTyVar</span> <span class="n" style="color: #333;">tv</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">@@ -354,11 +364,11 @@ matchExpectedFunTys herald ctx arity orig_ty thing_inside</td>

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<pre style="margin: 0;"> <span id="LC364" class="line" lang="haskell">                          <span class="n" style="color: #333;">defer</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="n" style="color: #333;">n</span> <span class="p">(</span><span class="n" style="color: #333;">mkCheckExpType</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC365" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC366" 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="LC357" class="line" lang="haskell">    <span class="n" style="color: #333;">defer</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">Scaled</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">ExpSigmaType</span></span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWrapper</span><span class="p">,</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC367" class="line" lang="haskell">    <span class="n" style="color: #333;">defer</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 right">ArgTy</span></span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpRhoType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWrapper</span><span class="p">,</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC368" class="line" lang="haskell">    <span class="n" style="color: #333;">defer</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">fun_ty</span></span>

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<pre style="margin: 0;"> <span id="LC369" 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;">more_arg_tys</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">replicateM</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">newInferExpType</span></span>

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<pre style="margin: 0;"> <span id="LC370" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">res_ty</span>       <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newInferExpType</span></span>

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<pre style="margin: 0;">-<span id="LC361" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">result</span>       <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">thing_inside</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="o" style="font-weight: 600;">++</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;"><span class="idiff left right">unrestricted</span></span> <span class="n" style="color: #333;">more_arg_tys</span><span class="p">))</span> <span class="n" style="color: #333;">res_ty</span></span>

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<pre style="margin: 0;">+<span id="LC371" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">result</span>       <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">thing_inside</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">acc_arg_tys</span> <span class="o" style="font-weight: 600;">++</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NormalArgTy</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">unrestricted</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">more_arg_tys</span><span class="p">))</span> <span class="n" style="color: #333;">res_ty</span></span>

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<pre style="margin: 0;"> <span id="LC372" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">more_arg_tys</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;">readExpType</span> <span class="n" style="color: #333;">more_arg_tys</span></span>

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<pre style="margin: 0;"> <span id="LC373" class="line" lang="haskell">           <span class="p">;</span> <span class="n" style="color: #333;">res_ty</span>       <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">readExpType</span> <span class="n" style="color: #333;">res_ty</span></span>

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<pre style="margin: 0;"> <span id="LC374" class="line" lang="haskell">           <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">unif_fun_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTysMany</span> <span class="n" style="color: #333;">more_arg_tys</span> <span class="n" style="color: #333;">res_ty</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">@@ -367,19 +377,24 @@ matchExpectedFunTys herald ctx arity orig_ty thing_inside</td>

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<pre style="margin: 0;"> <span id="LC377" 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;">wrap</span><span class="p">,</span> <span class="n" style="color: #333;">result</span><span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC378" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC379" 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="LC370" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_ctxt</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">Scaled</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">ExpSigmaType</span></span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MsgDoc</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC380" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_ctxt</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 right">ArgTy</span></span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MsgDoc</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC381" class="line" lang="haskell">    <span class="n" style="color: #333;">mk_ctxt</span> <span class="n" style="color: #333;">arg_tys</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">env</span></span>

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<pre style="margin: 0;"> <span id="LC382" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFunTysMsg</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">herald</span> <span class="n" style="color: #333;">arg_tys'</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">arity</span></span>

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<pre style="margin: 0;"> <span id="LC383" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC374" class="line" lang="haskell">        <span class="n" style="color: #333;">arg_tys'</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="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">u</span> <span class="n" style="color: #333;">v</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">u</span> <span class="p">(</span><span class="n" style="color: #333;">checkingExpType</span> <span class="s" style="color: #d14;">"matchExpectedFunTys"</span> <span class="n" style="color: #333;">v</span><span class="p">))</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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375

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<td class="diff-line-num new_line old" data-linenumber="384" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC375" class="line" lang="haskell">                   <span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">arg_tys</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="384" style="width: 35px; color: rgba(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="LC384" class="line" lang="haskell">        <span class="n" style="color: #333;">arg_tys'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">toArgType</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">arg_tys</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

385

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<pre style="margin: 0;">+<span id="LC385" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="386" style="width: 35px; color: rgba(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="LC386" class="line" lang="haskell">        <span class="n" style="color: #333;">toArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NormalArgTy</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">u</span> <span class="n" style="color: #333;">v</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="387" style="width: 35px; color: rgba(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="LC387" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NormalArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Scaled</span> <span class="n" style="color: #333;">u</span> <span class="p">(</span><span class="n" style="color: #333;">checkingExpType</span> <span class="s" style="color: #d14;">"matchExpectedFunTys"</span> <span class="n" style="color: #333;">v</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="376" style="width: 35px; color: rgba(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="388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

388

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<pre style="margin: 0;">+<span id="LC388" class="line" lang="haskell">        <span class="n" style="color: #333;">toArgType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForallArgTy</span> <span class="n" style="color: #333;">bndr</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

389

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<pre style="margin: 0;">+<span id="LC389" class="line" lang="haskell">          <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ForallArgType</span> <span class="n" style="color: #333;">bndr</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

390

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<pre style="margin: 0;">+<span id="LC390" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="391" style="width: 35px; color: rgba(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="LC391" class="line" lang="haskell">            <span class="c1" style="color: #998; font-style: italic;">-- this is safe b/c we're called from "go"</span></span>

</pre>

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377

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<td class="diff-line-num new_line" data-linenumber="392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

392

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<pre style="margin: 0;"> <span id="LC392" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="378" style="width: 35px; color: rgba(0,0,0,0.3); 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="393" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC378" class="line" lang="haskell"><span class="n" style="color: #333;">mkFunTysMsg</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</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">Scaled</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Tc</span>Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="393" style="width: 35px; color: rgba(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="LC393" class="line" lang="haskell"><span class="n" style="color: #333;">mkFunTysMsg</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</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 right">Arg</span>Type</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Arity</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="394" style="width: 35px; color: rgba(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="LC394" class="line" lang="haskell">            <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TidyEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">MsgDoc</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="380" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

380

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<td class="diff-line-num new_line" data-linenumber="395" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

395

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<pre style="margin: 0;"> <span id="LC395" class="line" lang="haskell"><span class="n" style="color: #333;">mkFunTysMsg</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">herald</span> <span class="n" style="color: #333;">arg_tys</span> <span class="n" style="color: #333;">res_ty</span> <span class="n" style="color: #333;">n_val_args_in_call</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

381

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<td class="diff-line-num new_line" data-linenumber="396" style="width: 35px; color: rgba(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="LC396" 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="p">(</span><span class="n" style="color: #333;">env'</span><span class="p">,</span> <span class="n" style="color: #333;">fun_rho</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zonkTidyTcType</span> <span class="n" style="color: #333;">env</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC382" class="line" lang="haskell">                            <span class="n" style="color: #333;">mkVisFunTys</span> <span class="n" style="color: #333;">arg_tys</span> <span class="n" style="color: #333;">res_ty</span></span>

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397

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<pre style="margin: 0;">+<span id="LC397" class="line" lang="haskell">                            <span class="n" style="color: #333;">mkVisFun<span class="idiff left right">Forall</span>Tys</span> <span class="n" style="color: #333;">arg_tys</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="383" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

383

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398

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<pre style="margin: 0;"> <span id="LC398" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

384

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<td class="diff-line-num new_line" data-linenumber="399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

399

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<pre style="margin: 0;"> <span id="LC399" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">all_arg_tys</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;">splitFunTys</span> <span class="n" style="color: #333;">fun_rho</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

385

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400

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<pre style="margin: 0;"> <span id="LC400" class="line" lang="haskell">             <span class="n" style="color: #333;">n_fun_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">all_arg_tys</span></span>

</pre>

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<br>

</li>

<li id="6a120b0673f8920127d8fffdaa16f01b90cc92d7">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#6a120b0673f8920127d8fffdaa16f01b90cc92d7"><strong>compiler/GHC/Tc/Utils/Zonk.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="82" style="width: 35px; color: rgba(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="82" style="width: 35px; color: rgba(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">@@ -82,6 +82,7 @@ import GHC.Utils.Panic</td>

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82

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82

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<pre style="margin: 0;"> <span id="LC82" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Types.Unique.FM</span></span>

</pre>

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83

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83

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<pre style="margin: 0;"> <span id="LC83" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.Multiplicity</span></span>

</pre>

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84

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84

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<pre style="margin: 0;"> <span id="LC84" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="85" style="width: 35px; color: rgba(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="85" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

85

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<pre style="margin: 0;">+<span id="LC85" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Core.TyCo.Rep</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgType</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;">normalArgTys</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="86" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

86

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<pre style="margin: 0;"> <span id="LC86" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="87" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

87

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<pre style="margin: 0;"> <span id="LC87" 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;">Tc</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Gen</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Splice</span> <span class="p">(</span><span class="n" style="color: #333;">runTopSplice</span><span class="p">)</span></span>

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87

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<td class="diff-line-num new_line" data-linenumber="88" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

88

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<pre style="margin: 0;"> <span id="LC88" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="671" style="width: 35px; color: rgba(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="672" style="width: 35px; color: rgba(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">@@ -671,10 +672,10 @@ zonkMatchGroup env zBody (MG { mg_alts = L l ms</td>

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671

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672

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<pre style="margin: 0;"> <span id="LC672" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;">arg_tys</span> <span class="n" style="color: #333;">res_ty</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="673" style="width: 35px; color: rgba(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="LC673" class="line" lang="haskell">                             <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">origin</span> <span class="p">})</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="674" style="width: 35px; color: rgba(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="LC674" 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;">ms'</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;">zonkMatch</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">zBody</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_line old" 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">

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<pre style="margin: 0;">-<span id="LC674" class="line" lang="haskell">        <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;">zonkScaledTcTypesToTypesX</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;"><span class="idiff left right">arg_tys</span></span></span>

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<pre style="margin: 0;">+<span id="LC675" class="line" lang="haskell">        <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;">zonkScaledTcTypesToTypesX</span> <span class="n" style="color: #333;">env</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">normalArgTys</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg_tys</span></span><span class="p"><span class="idiff right">)</span></span></span>

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<pre style="margin: 0;"> <span id="LC676" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">res_ty'</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">zonkTcTypeToTypeX</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">res_ty</span></span>

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<pre style="margin: 0;"> <span id="LC677" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">MG</span> <span class="p">{</span> <span class="n" style="color: #333;">mg_alts</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">ms'</span></span>

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<pre style="margin: 0;">-<span id="LC677" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="n" style="color: #333;"><span class="idiff left right">arg_tys'</span></span> <span class="n" style="color: #333;">res_ty'</span></span>

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<pre style="margin: 0;">+<span id="LC678" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">mg_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroupTc</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">NormalArgType</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">arg_tys'</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">res_ty'</span></span>

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<pre style="margin: 0;"> <span id="LC679" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">mg_origin</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">origin</span> <span class="p">})</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC680" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC681" class="line" lang="haskell"><span class="n" style="color: #333;">zonkMatch</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ZonkEnv</span></span>

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<br>

</li>

<li id="1db07ed8cd9bab6b217a8f5a140176d3cb8672fd">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6f1489c62741b56c252e571678becd407a906c6b#1db07ed8cd9bab6b217a8f5a140176d3cb8672fd"><strong>compiler/GHC/Tc/Validity.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="567" style="width: 35px; color: rgba(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">@@ -567,11 +567,6 @@ linearityAllowed = typeLevelUserTypeCtxt</td>

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<pre style="margin: 0;"> <span id="LC567" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- where VDQ is permitted) and</span></span>

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<pre style="margin: 0;"> <span id="LC568" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @testsuite/tests/dependent/should_fail/T16326_Fail*.hs@ (for places where</span></span>

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<pre style="margin: 0;"> <span id="LC569" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- VDQ is disallowed).</span></span>

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570

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<pre style="margin: 0;">-<span id="LC570" class="line" lang="haskell"><span class="n" style="color: #333;">vdqAllowed</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">UserTypeCtxt</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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571

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<pre style="margin: 0;">-<span id="LC571" class="line" lang="haskell"><span class="n" style="color: #333;">vdqAllowed</span> <span class="n" style="color: #333;">ctxt</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">typeOrKindCtxt</span> <span class="n" style="color: #333;">ctxt</span> <span class="kr" style="font-weight: 600;">of</span></span>

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572

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<td class="diff-line-num new_line old" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); 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="kt" style="color: #458; font-weight: 600;">OnlyTypeCtxt</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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573

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<td class="diff-line-num new_line old" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC573" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">OnlyKindCtxt</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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574

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<pre style="margin: 0;">-<span id="LC574" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">BothTypeAndKindCtxt</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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<td class="diff-line-num old_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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<td class="diff-line-num new_line" data-linenumber="570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

570

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<pre style="margin: 0;"> <span id="LC570" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_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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<td class="diff-line-num new_line" data-linenumber="571" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

571

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<pre style="margin: 0;"> <span id="LC571" 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="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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<td class="diff-line-num new_line" data-linenumber="572" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

572

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<pre style="margin: 0;"> <span id="LC572" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Correctness and performance of type synonym validity checking]</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="724" style="width: 35px; color: rgba(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="719" style="width: 35px; color: rgba(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">@@ -724,7 +719,7 @@ check_type ve (CastTy ty _) = check_type ve ty</td>

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<td class="diff-line-num old_line" data-linenumber="724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

724

</td>

<td class="diff-line-num new_line" data-linenumber="719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

719

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<pre style="margin: 0;"> <span id="LC719" 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="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

725

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<td class="diff-line-num new_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">

720

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<pre style="margin: 0;"> <span id="LC720" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Critically, this case must come *after* the case for TyConApp.</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

726

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<td class="diff-line-num new_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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<pre style="margin: 0;"> <span id="LC721" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Liberal type synonyms].</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="722" style="width: 35px; color: rgba(0,0,0,0.3); 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;">check_type</span> <span class="n" style="color: #333;">ve</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValidityEnv</span><span class="p">{</span> <span class="n" style="color: #333;">ve_tidy_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span><span class="p"><span class="idiff left">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ve_ctxt</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">ctxt</span></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="728" style="width: 35px; color: rgba(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="722" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

722

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<pre style="margin: 0;">+<span id="LC722" class="line" lang="haskell"><span class="n" style="color: #333;">check_type</span> <span class="n" style="color: #333;">ve</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValidityEnv</span><span class="p">{</span> <span class="n" style="color: #333;">ve_tidy_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="728" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

728

</td>

<td class="diff-line-num new_line" data-linenumber="723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

723

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<pre style="margin: 0;"> <span id="LC723" class="line" lang="haskell">                          <span class="p">,</span> <span class="n" style="color: #333;">ve_rank</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rank</span><span class="p">,</span> <span class="n" style="color: #333;">ve_expand</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">expand</span> <span class="p">})</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="729" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

729

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<td class="diff-line-num new_line" data-linenumber="724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

724

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<pre style="margin: 0;"> <span id="LC724" class="line" lang="haskell">  <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;">null</span> <span class="n" style="color: #333;">tvbs</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">theta</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

730

</td>

<td class="diff-line-num new_line" data-linenumber="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

725

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<pre style="margin: 0;"> <span id="LC725" 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;">traceTc</span> <span class="s" style="color: #d14;">"check_type"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">$$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">rank</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_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="diff-line-num unfold js-unfold new_line" data-linenumber="731" style="width: 35px; color: rgba(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">@@ -736,12 +731,6 @@ check_type ve@(ValidityEnv{ ve_tidy_env = env, ve_ctxt = ctxt</td>

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<td class="diff-line-num old_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

</td>

<td class="diff-line-num new_line" data-linenumber="731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

731

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<pre style="margin: 0;"> <span id="LC731" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Reject forall (a :: Eq b => b). blah</span></span>

</pre>

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<td class="diff-line-num old_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

</td>

<td class="diff-line-num new_line" data-linenumber="732" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

732

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<pre style="margin: 0;"> <span id="LC732" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- In a kind signature we don't allow constraints</span></span>

</pre>

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<td class="diff-line-num old_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

</td>

<td class="diff-line-num new_line" data-linenumber="733" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

733

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC733" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" 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">

739

</td>

<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC739" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">checkTcM</span> <span class="p">(</span><span class="n" style="color: #333;">all</span> <span class="p">(</span><span class="n" style="color: #333;">isInvisibleArgFlag</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">binderArgFlag</span><span class="p">)</span> <span class="n" style="color: #333;">tvbs</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="740" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

740

</td>

<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC740" class="line" lang="haskell">                         <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">vdqAllowed</span> <span class="n" style="color: #333;">ctxt</span><span class="p">)</span></span>

</pre>

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741

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC741" class="line" lang="haskell">                   <span class="p">(</span><span class="n" style="color: #333;">illegalVDQTyErr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="742" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

742

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC742" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Reject visible, dependent quantification in the type of a</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="743" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

743

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC743" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- term (e.g., `f :: forall a -> a -> Maybe a`)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="744" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

744

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<td class="diff-line-num new_line old" 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">

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<pre style="margin: 0;">-<span id="LC744" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_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="diff-line-num new_line" data-linenumber="734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

734

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<pre style="margin: 0;"> <span id="LC734" class="line" lang="haskell">        <span class="p">;</span> <span class="n" style="color: #333;">check_valid_theta</span> <span class="n" style="color: #333;">env'</span> <span class="kt" style="color: #458; font-weight: 600;">SigmaCtxt</span> <span class="n" style="color: #333;">expand</span> <span class="n" style="color: #333;">theta</span></span>

</pre>

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<td class="diff-line-num old_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

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<td class="diff-line-num new_line" data-linenumber="735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

735

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<pre style="margin: 0;"> <span id="LC735" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- Allow     type T = ?x::Int => Int -> Int</span></span>

</pre>

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747

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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="c1" style="color: #998; font-style: italic;">-- but not   type T = ?x::Int</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold 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">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="988" style="width: 35px; color: rgba(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">@@ -999,15 +988,6 @@ constraintTyErr :: TidyEnv -> Type -> (TidyEnv, SDoc)</td>

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999

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<pre style="margin: 0;"> <span id="LC988" class="line" lang="haskell"><span class="n" style="color: #333;">constraintTyErr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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1000

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989

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<pre style="margin: 0;"> <span id="LC989" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Illegal constraint in a kind:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr_tidy</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

</pre>

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1001

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<td class="diff-line-num new_line" data-linenumber="990" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

990

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<pre style="margin: 0;"> <span id="LC990" class="line" lang="haskell"></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="991" style="width: 35px; color: rgba(0,0,0,0.3); 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="cd">-- | Reject a use of visible, dependent quantification in the type of a term.</span></span>

</pre>

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1003

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<td class="diff-line-num new_line old" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); 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="n" style="color: #333;">illegalVDQTyErr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</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;">TidyEnv</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 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="991" style="width: 35px; color: rgba(0,0,0,0.3); 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;">illegalVDQTyErr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</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="1005" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1005

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<td class="diff-line-num new_line old" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1005" class="line" lang="haskell">  <span class="p">(</span><span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">vcat</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="991" style="width: 35px; color: rgba(0,0,0,0.3); 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="p">[</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;">"Illegal visible, dependent quantification"</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="1007" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1007

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<td class="diff-line-num new_line old" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); 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 class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"in the type of a term:"</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1008" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1008

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<pre style="margin: 0;">-<span id="LC1008" class="line" lang="haskell">       <span class="mi" style="color: #099;">2</span> <span class="p">(</span><span class="n" style="color: #333;">ppr_tidy</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

</pre>

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1009

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<pre style="margin: 0;">-<span id="LC1009" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"(GHC does not yet support this)"</span> <span class="p">]</span> <span class="p">)</span></span>

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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="991" style="width: 35px; color: rgba(0,0,0,0.3); 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>

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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="991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

991

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<pre style="margin: 0;"> <span id="LC991" class="line" lang="haskell"><span class="cd">-- | Reject uses of linear function arrows in kinds.</span></span>

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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="992" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

992

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<pre style="margin: 0;"> <span id="LC992" class="line" lang="haskell"><span class="n" style="color: #333;">linearFunKindErr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TidyEnv</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;">TidyEnv</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="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="993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

993

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<pre style="margin: 0;"> <span id="LC993" class="line" lang="haskell"><span class="n" style="color: #333;">linearFunKindErr</span> <span class="n" style="color: #333;">env</span> <span class="n" style="color: #333;">ty</span> <span class="o" style="font-weight: 600;">=</span></span>

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