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<h3>

Ryan Scott pushed to branch wip/T16762-chunks-2-and-3

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/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2">de54a099</a></strong>

<div>

<span>by Ryan Scott</span>

<i>at 2020-05-05T19:25:44-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">WIP: Factor out HsPatSigType for pat sigs/RULE term sigs (#16762)

This implements chunks (2) and (3) of

https://gitlab.haskell.org/ghc/ghc/issues/16762#note_270170. Namely,

it introduces a dedicated `HsPatSigType` AST type, which represents

the types that can appear in pattern signatures and term-level `RULE`

binders. Previously, these were represented with `LHsSigWcType`.

Although `LHsSigWcType` is isomorphic to `HsPatSigType`, the intended

semantics of the two types are slightly different, as evidenced by

the fact that they have different code paths in the renamer and

typechecker. See also my additions to `Note [HsType binders]`.

</pre>

</li>

</ul>

<h4>17 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#75bfcd03f3ba9315d33104fcb0424c6bfeb4e334">

compiler/GHC/Hs/Decls.hs

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</li>

<li class="file-stats">

<a href="#576dff4e64fa03683ffc5dcdd58284acdd70bc8e">

compiler/GHC/Hs/Extension.hs

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<li class="file-stats">

<a href="#9f00edfedb0f969865b049a78de3866545b4a60b">

compiler/GHC/Hs/Instances.hs

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</li>

<li class="file-stats">

<a href="#0bae7e7e67b5f9b6ba2a371f8917cf74423a0c6f">

compiler/GHC/Hs/Pat.hs

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<li class="file-stats">

<a href="#8cd3d37b8a77c01a0e798e67591fc3ea9c34c9ec">

compiler/GHC/Hs/Types.hs

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<li class="file-stats">

<a href="#3c19c0be465f9a28d7b69f89c55648080fcc37eb">

compiler/GHC/HsToCore/Quote.hs

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<li class="file-stats">

<a href="#649144a78135a23cabfc90dd83c4aabf448eb6ab">

compiler/GHC/Iface/Ext/Ast.hs

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<a href="#446cb12ca6cefaf1c6eb79b7db643632744263c7">

compiler/GHC/Parser/PostProcess.hs

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<a href="#af762064d779f7308dd415966c974f27d14f9943">

compiler/GHC/Rename/Bind.hs

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<li class="file-stats">

<a href="#b47ece2bbb8303a5792c2fdc52394c8ed336e8a2">

compiler/GHC/Rename/Expr.hs

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<li class="file-stats">

<a href="#892acbb198a9095c917740d3c1297b56df4e3b7e">

compiler/GHC/Rename/HsType.hs

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<a href="#7dd1cd0f6f2164a14c83d9aa564dd32bc30e447a">

compiler/GHC/Rename/Module.hs

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<li class="file-stats">

<a href="#cfa41b5649933e5b12f7796e9d49b9dd6a0bc59f">

compiler/GHC/Rename/Pat.hs

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<li class="file-stats">

<a href="#9355bef855426caf5f526925edf351b20f9a86c4">

compiler/GHC/Tc/Gen/HsType.hs

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<li class="file-stats">

<a href="#3ee8be814b6c6727880deab3772e6af922524bf0">

compiler/GHC/Tc/Gen/Pat.hs

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<li class="file-stats">

<a href="#2eac51f9871ca0c0698aa1fc7f79c05ef8fc4a49">

compiler/GHC/ThToHs.hs

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<li class="file-stats">

<a href="#62a9ebd99858aa7fc936319bea9fdd9a6954ba63">

testsuite/tests/hiefile/should_compile/hie007.hs

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</li>

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<h4>Changes:</h4>

<li id="75bfcd03f3ba9315d33104fcb0424c6bfeb4e334">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#75bfcd03f3ba9315d33104fcb0424c6bfeb4e334"><strong>compiler/GHC/Hs/Decls.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2244" style="width: 35px; color: rgba(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="2244" style="width: 35px; color: rgba(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">@@ -2244,7 +2244,7 @@ type LRuleBndr pass = Located (RuleBndr pass)</td>

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<pre style="margin: 0;"> <span id="LC2244" class="line" lang="haskell"><span class="cd">-- | Rule Binder</span></span>

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<pre style="margin: 0;"> <span id="LC2245" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span> <span class="n" style="color: #333;">pass</span></span>

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<pre style="margin: 0;"> <span id="LC2246" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">XCRuleBndr</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span>  <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IdP</span> <span class="n" style="color: #333;">pass</span><span class="p">))</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC2247" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">XRuleBndrSig</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IdP</span> <span class="n" style="color: #333;">pass</span><span class="p">))</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">LHsSigWc</span>Type</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2247" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">XRuleBndrSig</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IdP</span> <span class="n" style="color: #333;">pass</span><span class="p">))</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">HsPatSig</span>Type</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2248" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">XRuleBndr</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">XXRuleBndr</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC2249" 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="LC2250" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">--  - 'ApiAnnotation.AnnKeywordId' : 'ApiAnnotation.AnnOpen',</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2256" style="width: 35px; color: rgba(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="2256" style="width: 35px; color: rgba(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">@@ -2256,7 +2256,7 @@ type instance XCRuleBndr    (GhcPass _) = NoExtField</td>

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<pre style="margin: 0;"> <span id="LC2256" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XRuleBndrSig</span>  <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GhcPass</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoExtField</span></span>

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<pre style="margin: 0;"> <span id="LC2257" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XXRuleBndr</span>    <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GhcPass</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoExtCon</span></span>

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2258

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<pre style="margin: 0;"> <span id="LC2258" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2259" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2259" class="line" lang="haskell"><span class="n" style="color: #333;">collectRuleBndrSigTys</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span> <span class="n" style="color: #333;">pass</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">LHsSigWc</span>Type</span> <span class="n" style="color: #333;">pass</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2260" style="width: 35px; color: rgba(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="LC2259" class="line" lang="haskell"><span class="n" style="color: #333;">collectRuleBndrSigTys</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span> <span class="n" style="color: #333;">pass</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">HsPatSig</span>Type</span> <span class="n" style="color: #333;">pass</span><span class="p">]</span></span>

</pre>

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2260

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2260

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<pre style="margin: 0;"> <span id="LC2260" class="line" lang="haskell"><span class="n" style="color: #333;">collectRuleBndrSigTys</span> <span class="n" style="color: #333;">bndrs</span> <span class="o" 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;">RuleBndrSig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" 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;">bndrs</span><span class="p">]</span></span>

</pre>

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2261

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2261

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<pre style="margin: 0;"> <span id="LC2261" class="line" lang="haskell"></span>

</pre>

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2262

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2262

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<pre style="margin: 0;"> <span id="LC2262" class="line" lang="haskell"><span class="n" style="color: #333;">pprFullRuleName</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SourceText</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">RuleName</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>

</pre>

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<br>

</li>

<li id="576dff4e64fa03683ffc5dcdd58284acdd70bc8e">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#576dff4e64fa03683ffc5dcdd58284acdd70bc8e"><strong>compiler/GHC/Hs/Extension.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="685" style="width: 35px; color: rgba(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="685" style="width: 35px; color: rgba(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">@@ -685,6 +685,11 @@ type family XXHsWildCardBndrs  x b</td>

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<pre style="margin: 0;"> <span id="LC685" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="686" style="width: 35px; color: rgba(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="LC686" 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="LC687" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="688" style="width: 35px; color: rgba(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="688" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

688

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<pre style="margin: 0;">+<span id="LC688" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="n" style="color: #333;">family</span> <span class="kt" style="color: #458; font-weight: 600;">XHsPS</span> <span class="n" style="color: #333;">x</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="689" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

689

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<pre style="margin: 0;">+<span id="LC689" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="n" style="color: #333;">family</span> <span class="kt" style="color: #458; font-weight: 600;">XXHsPatSigType</span> <span class="n" style="color: #333;">x</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="690" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

690

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<pre style="margin: 0;">+<span id="LC690" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="688" style="width: 35px; color: rgba(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="691" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

691

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<pre style="margin: 0;">+<span id="LC691" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- -------------------------------------</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="688" style="width: 35px; color: rgba(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="692" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

692

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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="LC692" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="688" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

688

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<td class="diff-line-num new_line" data-linenumber="693" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

693

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<pre style="margin: 0;"> <span id="LC693" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="n" style="color: #333;">family</span> <span class="kt" style="color: #458; font-weight: 600;">XForAllTy</span>        <span class="n" style="color: #333;">x</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="689" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

689

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<td class="diff-line-num new_line" data-linenumber="694" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

694

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<pre style="margin: 0;"> <span id="LC694" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="n" style="color: #333;">family</span> <span class="kt" style="color: #458; font-weight: 600;">XQualTy</span>          <span class="n" style="color: #333;">x</span></span>

</pre>

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690

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<td class="diff-line-num new_line" data-linenumber="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

695

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<pre style="margin: 0;"> <span id="LC695" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="n" style="color: #333;">family</span> <span class="kt" style="color: #458; font-weight: 600;">XTyVar</span>           <span class="n" style="color: #333;">x</span></span>

</pre>

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<br>

</li>

<li id="9f00edfedb0f969865b049a78de3866545b4a60b">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#9f00edfedb0f969865b049a78de3866545b4a60b"><strong>compiler/GHC/Hs/Instances.hs</strong></a>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -386,6 +386,11 @@ deriving instance (Data thing) => Data (HsWildCardBndrs GhcPs thing)</td>

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<pre style="margin: 0;"> <span id="LC386" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="n" style="color: #333;">thing</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWildCardBndrs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="n" style="color: #333;">thing</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC387" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="n" style="color: #333;">thing</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWildCardBndrs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="n" style="color: #333;">thing</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC388" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC389" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- deriving instance (DataIdLR p p) => Data (HsPatSigType p)</span></span>

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<pre style="margin: 0;">+<span id="LC390" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC391" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</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="LC392" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC393" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC394" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- deriving instance (DataIdLR p p) => Data (HsTyVarBndr p)</span></span>

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<pre style="margin: 0;"> <span id="LC395" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsTyVarBndr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC396" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">deriving</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Data</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsTyVarBndr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">)</span></span>

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</li>

<li id="0bae7e7e67b5f9b6ba2a371f8917cf74423a0c6f">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#0bae7e7e67b5f9b6ba2a371f8917cf74423a0c6f"><strong>compiler/GHC/Hs/Pat.hs</strong></a>

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<pre style="margin: 0;"> <span id="LC240" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- For details on above see note [Api annotations] in GHC.Parser.Annotation</span></span>

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<pre style="margin: 0;"> <span id="LC241" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">SigPat</span>          <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">XSigPat</span> <span class="n" style="color: #333;">p</span><span class="p">)</span>             <span class="c1" style="color: #998; font-style: italic;">-- After typechecker: Type</span></span>

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<td class="diff-line-num old_line" data-linenumber="242" style="width: 35px; color: rgba(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="LC242" class="line" lang="haskell">                    <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LPat</span> <span class="n" style="color: #333;">p</span><span class="p">)</span>                <span class="c1" style="color: #998; font-style: italic;">-- Pattern with a type signature</span></span>

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<pre style="margin: 0;">-<span id="LC243" class="line" lang="haskell">                    <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">LHsSigWc</span>Type</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NoGhcTc</span> <span class="n" style="color: #333;">p</span><span class="p">))</span> <span class="c1" style="color: #998; font-style: italic;">--  Signature can bind both</span></span>

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<td class="diff-line-num new old_line" data-linenumber="244" style="width: 35px; color: rgba(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="243" style="width: 35px; color: rgba(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="LC243" class="line" lang="haskell">                    <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">HsPatSig</span>Type</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NoGhcTc</span> <span class="n" style="color: #333;">p</span><span class="p">))</span> <span class="c1" style="color: #998; font-style: italic;">--  Signature can bind both</span></span>

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<td class="diff-line-num old_line" data-linenumber="244" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

244

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<pre style="margin: 0;"> <span id="LC244" class="line" lang="haskell">                                               <span class="c1" style="color: #998; font-style: italic;">--  kind and type vars</span></span>

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<td class="diff-line-num old_line" data-linenumber="245" style="width: 35px; color: rgba(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="LC245" class="line" lang="haskell"></span>

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<td class="diff-line-num old_line" data-linenumber="246" style="width: 35px; color: rgba(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="LC246" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Pattern with a type signature</span></span>

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<br>

</li>

<li id="8cd3d37b8a77c01a0e798e67591fc3ea9c34c9ec">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#8cd3d37b8a77c01a0e798e67591fc3ea9c34c9ec"><strong>compiler/GHC/Hs/Types.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="23" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -23,6 +23,7 @@ module GHC.Hs.Types (</td>

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<pre style="margin: 0;"> <span id="LC23" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">LHsQTyVars</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

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<pre style="margin: 0;"> <span id="LC24" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsImplicitBndrs</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

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<td class="diff-line-num old_line" data-linenumber="25" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC25" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsWildCardBndrs</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

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<td class="diff-line-num new old_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</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;">HsPSRn</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

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<pre style="margin: 0;"> <span id="LC27" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">LHsSigType</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsWcType</span><span class="p">,</span></span>

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<td class="diff-line-num old_line" data-linenumber="27" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<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">

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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsTupleSort</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

</pre>

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<td class="diff-line-num 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">

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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">

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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsContext</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsContext</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">noLHsContext</span><span class="p">,</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="47" style="width: 35px; color: rgba(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">@@ -47,7 +48,7 @@ module GHC.Hs.Types (</td>

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

</pre>

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<td class="diff-line-num 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">

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<td class="diff-line-num new_line" data-linenumber="49" style="width: 35px; color: rgba(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="LC49" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkAnonWildCardTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pprAnonWildCard</span><span class="p">,</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="51" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC50" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkHsImplicitBndrs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkHsWildCardBndrs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsImplicitBody</span><span class="p">,</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkHsImplicitBndrs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkHsWildCardBndrs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;"><span class="idiff left">mkHsPatSigType</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff right"> </span><span class="nf" style="color: #900; font-weight: 600;">hsImplicitBody</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkEmptyImplicitBndrs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkEmptyWildCardBndrs</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC53" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkHsQTvs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsQTvExplicit</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">emptyLHsQTvs</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isEmptyLHsQTvs</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC54" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">isHsKindedTyVar</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsTvbAllKinded</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">isLHsForAllTy</span><span class="p">,</span></span>

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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="60" style="width: 35px; color: rgba(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">@@ -59,7 +60,7 @@ module GHC.Hs.Types (</td>

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<pre style="margin: 0;"> <span id="LC60" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">splitLHsForAllTyInvis</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">splitLHsQualTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">splitLHsSigmaTyInvis</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">splitHsFunType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsTyGetAppHead_maybe</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">mkHsOpTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkHsAppTy</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkHsAppTys</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">mkHsAppKindTy</span><span class="p">,</span></span>

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<pre style="margin: 0;">-<span id="LC62" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">ignoreParens</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsSigType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsSigWcType</span><span class="p">,</span></span>

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<pre style="margin: 0;">+<span id="LC63" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">ignoreParens</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsSigType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsSigWcType</span><span class="p">,</span><span class="idiff left"> </span><span class="nf" style="color: #900; font-weight: 600;"><span class="idiff">hsPatSigType</span></span><span class="p"><span class="idiff right">,</span></span></span>

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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">hsLTyVarBndrToType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hsLTyVarBndrsToTypes</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">hsTyKindSig</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">hsConDetailsArgs</span><span class="p">,</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="185" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -184,6 +185,18 @@ is a bit complicated.  Here's how it works.</td>

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<pre style="margin: 0;"> <span id="LC185" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">     f :: _a -> _</span></span>

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<pre style="margin: 0;"> <span id="LC186" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  The enclosing HsWildCardBndrs binds the wildcards _a and _.</span></span>

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<pre style="margin: 0;"> <span id="LC187" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC188" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* HsSigPatType describes types that appear in pattern signatures and</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC189" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  the signatures of term-level binders in RULES. Like</span></span>

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<pre style="margin: 0;">+<span id="LC190" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  HsWildCardBndrs/HsImplicitBndrs, they track the names of wildcard</span></span>

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<pre style="margin: 0;">+<span id="LC191" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  variables and implicitly quantified type variables. Unlike</span></span>

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<pre style="margin: 0;">+<span id="LC192" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  HsImplicitBndrs, however, HsSigPatTypes do not obey the</span></span>

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<pre style="margin: 0;">+<span id="LC193" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  forall-or-nothing rule. For example, in this pattern signature:</span></span>

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<pre style="margin: 0;">+<span id="LC194" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC195" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    f (g :: forall a. a -> b) x = g x :: b</span></span>

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<pre style="margin: 0;">+<span id="LC196" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC197" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  The type variable `b` is in scope on the RHS, even though it was</span></span>

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<pre style="margin: 0;">+<span id="LC198" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  not explicitly quantified by the @forall@ in the pattern signature.</span></span>

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<pre style="margin: 0;">+<span id="LC199" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC200" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* The explicit presence of these wrappers specifies, in the HsSyn,</span></span>

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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  exactly where implicit quantification is allowed, and where</span></span>

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<pre style="margin: 0;"> <span id="LC202" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  wildcards are allowed.</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">@@ -225,13 +238,15 @@ Note carefully:</td>

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<pre style="margin: 0;"> <span id="LC238" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  Here _a is an ordinary forall'd binder, but (With NamedWildCards)</span></span>

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<pre style="margin: 0;"> <span id="LC239" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  _b is a named wildcard.  (See the comments in #10982)</span></span>

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<pre style="margin: 0;"> <span id="LC240" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC228" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Named wildcards are bound by the HsWildCardBndrs construct, which wraps</span></span>

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<pre style="margin: 0;">-<span id="LC229" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  types that are allowed to have wildcards. Unnamed wildcards however are left</span></span>

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<pre style="margin: 0;">-<span id="LC230" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  unchanged until typechecking, where we give them fresh wild tyavrs and</span></span>

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<pre style="margin: 0;">-<span id="LC231" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  determine whether or not to emit hole constraints on each wildcard</span></span>

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<pre style="margin: 0;">-<span id="LC232" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  (we don't if it's a visible type/kind argument or a type family pattern).</span></span>

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<pre style="margin: 0;">-<span id="LC233" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  See related notes Note [Wildcards in visible kind application]</span></span>

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<pre style="margin: 0;">-<span id="LC234" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  and Note [Wildcards in visible type application] in GHC.Tc.Gen.HsType</span></span>

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<pre style="margin: 0;">+<span id="LC241" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* Named wildcards are bound by the HsWildCardBndrs (for types that obey the</span></span>

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<pre style="margin: 0;">+<span id="LC242" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  forall-or-nothing rule) and HsPatSigType (for type signatures in patterns</span></span>

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<pre style="margin: 0;">+<span id="LC243" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  and term-level binders in RULES), which wrap types that are allowed to have</span></span>

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<pre style="margin: 0;">+<span id="LC244" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  wildcards. Unnamed wildcards, however are left unchanged until typechecking,</span></span>

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<pre style="margin: 0;">+<span id="LC245" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  where we give them fresh wild tyvars and determine whether or not to emit</span></span>

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<pre style="margin: 0;">+<span id="LC246" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  hole constraints on each wildcard (we don't if it's a visible type/kind</span></span>

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<pre style="margin: 0;">+<span id="LC247" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  argument or a type family pattern). See related notes</span></span>

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<pre style="margin: 0;">+<span id="LC248" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  Note [Wildcards in visible kind application] and</span></span>

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<pre style="margin: 0;">+<span id="LC249" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  Note [Wildcards in visible type application] in GHC.Tc.Gen.HsType.</span></span>

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<pre style="margin: 0;"> <span id="LC250" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC251" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">* After type checking is done, we report what types the wildcards</span></span>

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<pre style="margin: 0;"> <span id="LC252" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">  got unified with.</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">@@ -399,6 +414,30 @@ type instance XHsWC              GhcTc b = [Name]</td>

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<pre style="margin: 0;"> <span id="LC414" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC415" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XXHsWildCardBndrs</span>  <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GhcPass</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoExtCon</span></span>

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<pre style="margin: 0;"> <span id="LC416" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC417" class="line" lang="haskell"><span class="cd">-- | Types that can appear in pattern signatures, as well as the signatures for</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC418" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- term-level binders in RULES. This is very similar to 'HsSigWcType', but with</span></span>

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<pre style="margin: 0;">+<span id="LC419" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- slightly different semantics: see @Note [HsType binders]@.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC420" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See also @Note [The wildcard story for types]@.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC421" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="n" style="color: #333;">pass</span></span>

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<pre style="margin: 0;">+<span id="LC422" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_ext</span>  <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">XHsPS</span> <span class="n" style="color: #333;">pass</span>   <span class="c1" style="color: #998; font-style: italic;">-- ^ After renamer: 'HsPSRn'</span></span>

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<pre style="margin: 0;">+<span id="LC423" class="line" lang="haskell">         <span class="p">,</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="n" style="color: #333;">pass</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ Main payload (the type itself)</span></span>

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<pre style="margin: 0;">+<span id="LC424" class="line" lang="haskell">    <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC425" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">XHsPatSigType</span> <span class="o" style="font-weight: 600;">!</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">XXHsPatSigType</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC426" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC427" class="line" lang="haskell"><span class="cd">-- | The extension field for 'HsPatSigType', which is only used in the</span></span>

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<pre style="margin: 0;">+<span id="LC428" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- renamer onwards.</span></span>

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<pre style="margin: 0;">+<span id="LC429" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span></span>

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<pre style="margin: 0;">+<span id="LC430" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">hsps_nwcs</span>    <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ Wildcard names</span></span>

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<pre style="margin: 0;">+<span id="LC431" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">hsps_imp_tvs</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ Implicitly quantified variable names</span></span>

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<pre style="margin: 0;">+<span id="LC432" class="line" lang="haskell">  <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC433" 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>

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<pre style="margin: 0;">+<span id="LC434" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC435" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XHsPS</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoExtField</span></span>

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<pre style="margin: 0;">+<span id="LC436" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XHsPS</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;">HsPSRn</span></span>

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<pre style="margin: 0;">+<span id="LC437" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XHsPS</span> <span class="kt" style="color: #458; font-weight: 600;">GhcTc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span></span>

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<td class="diff-line-num new new_line" data-linenumber="438" style="width: 35px; color: rgba(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="LC438" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC439" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">XXHsPatSigType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GhcPass</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">NoExtCon</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC440" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC441" class="line" lang="haskell"><span class="cd">-- | Located Haskell Signature Type</span></span>

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<pre style="margin: 0;"> <span id="LC442" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigType</span>   <span class="n" style="color: #333;">pass</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsImplicitBndrs</span> <span class="n" style="color: #333;">pass</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="n" style="color: #333;">pass</span><span class="p">)</span>    <span class="c1" style="color: #998; font-style: italic;">-- Implicit only</span></span>

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<pre style="margin: 0;"> <span id="LC443" class="line" lang="haskell"></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="419" style="width: 35px; color: rgba(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="458" style="width: 35px; color: rgba(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">@@ -419,6 +458,9 @@ hsSigType = hsImplicitBody</td>

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<pre style="margin: 0;"> <span id="LC458" class="line" lang="haskell"><span class="n" style="color: #333;">hsSigWcType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="n" style="color: #333;">pass</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="n" style="color: #333;">pass</span></span>

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<pre style="margin: 0;"> <span id="LC459" class="line" lang="haskell"><span class="n" style="color: #333;">hsSigWcType</span> <span class="n" style="color: #333;">sig_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hsib_body</span> <span class="p">(</span><span class="n" style="color: #333;">hswc_body</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC460" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC461" class="line" lang="haskell"><span class="n" style="color: #333;">hsPatSigType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="n" style="color: #333;">pass</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="n" style="color: #333;">pass</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC462" class="line" lang="haskell"><span class="n" style="color: #333;">hsPatSigType</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hsps_body</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="463" style="width: 35px; color: rgba(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="LC463" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="464" style="width: 35px; color: rgba(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="LC464" class="line" lang="haskell"><span class="n" style="color: #333;">dropWildCards</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="n" style="color: #333;">pass</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigType</span> <span class="n" style="color: #333;">pass</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="423" style="width: 35px; color: rgba(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="465" style="width: 35px; color: rgba(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="LC465" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Drop the wildcard part of a LHsSigWcType</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC466" class="line" lang="haskell"><span class="n" style="color: #333;">dropWildCards</span> <span class="n" style="color: #333;">sig_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hswc_body</span> <span class="n" style="color: #333;">sig_ty</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="451" style="width: 35px; color: rgba(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="493" style="width: 35px; color: rgba(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">@@ -451,6 +493,10 @@ mkHsWildCardBndrs :: thing -> HsWildCardBndrs GhcPs thing</td>

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451

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<td class="diff-line-num new_line" data-linenumber="493" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

493

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<pre style="margin: 0;"> <span id="LC493" class="line" lang="haskell"><span class="n" style="color: #333;">mkHsWildCardBndrs</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">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="n" style="color: #333;">x</span></span>

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<td class="diff-line-num old_line" data-linenumber="452" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

452

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<td class="diff-line-num new_line" data-linenumber="494" style="width: 35px; color: rgba(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="LC494" 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="n" style="color: #333;">noExtField</span> <span class="p">}</span></span>

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<td class="diff-line-num old_line" data-linenumber="453" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

453

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<td class="diff-line-num new_line" data-linenumber="495" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

495

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<pre style="margin: 0;"> <span id="LC495" class="line" lang="haskell"></span>

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<td class="diff-line-num new old_line" data-linenumber="454" style="width: 35px; color: rgba(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="496" style="width: 35px; color: rgba(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="LC496" class="line" lang="haskell"><span class="n" style="color: #333;">mkHsPatSigType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="454" style="width: 35px; color: rgba(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="LC497" class="line" lang="haskell"><span class="n" style="color: #333;">mkHsPatSigType</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_ext</span>  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noExtField</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="454" style="width: 35px; color: rgba(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="498" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

498

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<pre style="margin: 0;">+<span id="LC498" class="line" lang="haskell">                        <span class="p">,</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">x</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="499" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

499

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<pre style="margin: 0;">+<span id="LC499" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="454" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

454

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<td class="diff-line-num new_line" data-linenumber="500" style="width: 35px; color: rgba(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="LC500" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Add empty binders.  This is a bit suspicious; what if</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="455" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

455

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<td class="diff-line-num new_line" data-linenumber="501" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

501

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<pre style="margin: 0;"> <span id="LC501" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the wrapped thing had free type variables?</span></span>

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<td class="diff-line-num old_line" data-linenumber="456" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

456

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<td class="diff-line-num new_line" data-linenumber="502" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC502" class="line" lang="haskell"><span class="n" style="color: #333;">mkEmptyImplicitBndrs</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">thing</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsImplicitBndrs</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="n" style="color: #333;">thing</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1408" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1454" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1408,6 +1454,10 @@ instance Outputable thing</td>

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<td class="diff-line-num new_line" data-linenumber="1454" style="width: 35px; color: rgba(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="LC1454" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsWildCardBndrs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GhcPass</span> <span class="n" style="color: #333;">p</span><span class="p">)</span> <span class="n" style="color: #333;">thing</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1455" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1455" class="line" lang="haskell">    <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">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="n" style="color: #333;">ty</span> <span class="p">})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1410" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1456" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1456" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="1457" style="width: 35px; color: rgba(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="LC1457" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">OutputableBndrId</span> <span class="n" style="color: #333;">p</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="1458" style="width: 35px; color: rgba(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="LC1458" class="line" lang="haskell">       <span class="o" style="font-weight: 600;">=></span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GhcPass</span> <span class="n" style="color: #333;">p</span><span class="p">))</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="1459" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1459

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<pre style="margin: 0;">+<span id="LC1459" class="line" lang="haskell">    <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">=</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;">ppr</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="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1460" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1460

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<pre style="margin: 0;">+<span id="LC1460" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1411

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<td class="diff-line-num new_line" data-linenumber="1461" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1461

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<pre style="margin: 0;"> <span id="LC1461" class="line" lang="haskell"><span class="n" style="color: #333;">pprAnonWildCard</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1412" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1412

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<td class="diff-line-num new_line" data-linenumber="1462" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1462

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<pre style="margin: 0;"> <span id="LC1462" class="line" lang="haskell"><span class="n" style="color: #333;">pprAnonWildCard</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">char</span> <span class="sc" style="color: #d14;">'_'</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1413" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1413

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<td class="diff-line-num new_line" data-linenumber="1463" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1463

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<pre style="margin: 0;"> <span id="LC1463" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="3c19c0be465f9a28d7b69f89c55648080fcc37eb">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#3c19c0be465f9a28d7b69f89c55648080fcc37eb"><strong>compiler/GHC/HsToCore/Quote.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="821" style="width: 35px; color: rgba(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="821" style="width: 35px; color: rgba(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">@@ -821,7 +821,7 @@ repRuleD (L loc (HsRule { rd_name = n</td>

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<td class="diff-line-num old_line" data-linenumber="821" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

821

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<td class="diff-line-num new_line" data-linenumber="821" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

821

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<pre style="margin: 0;"> <span id="LC821" class="line" lang="haskell"><span class="n" style="color: #333;">ruleBndrNames</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRuleBndr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="822" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

822

</td>

<td class="diff-line-num new_line" data-linenumber="822" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

822

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<pre style="margin: 0;"> <span id="LC822" class="line" lang="haskell"><span class="n" style="color: #333;">ruleBndrNames</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">n</span><span class="p">))</span>      <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">n</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="823" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

823

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<td class="diff-line-num new_line" data-linenumber="823" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

823

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<pre style="margin: 0;"> <span id="LC823" class="line" lang="haskell"><span class="n" style="color: #333;">ruleBndrNames</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">sig</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="824" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

824

</td>

<td class="diff-line-num new_line old" data-linenumber="824" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC824" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left">WC</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">hswc_body</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">HsIB</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">hsib_ext</span></span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vars</span> <span class="p">}}</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">sig</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="825" style="width: 35px; color: rgba(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="824" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

824

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<pre style="margin: 0;">+<span id="LC824" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Hs<span class="idiff left">PS</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">hsps_ext</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">HsPSRn</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">hsps_imp_tvs</span></span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vars</span> <span class="p">}}</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">sig</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="825" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

825

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<td class="diff-line-num new_line" data-linenumber="825" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

825

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<pre style="margin: 0;"> <span id="LC825" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">n</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">vars</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="826" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

826

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826

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<pre style="margin: 0;"> <span id="LC826" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="827" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

827

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<td class="diff-line-num new_line" data-linenumber="827" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

827

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<pre style="margin: 0;"> <span id="LC827" class="line" lang="haskell"><span class="n" style="color: #333;">repRuleBndr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LRuleBndr</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;">MetaM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Core</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">M</span> <span class="kt" style="color: #458; font-weight: 600;">TH</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="830" style="width: 35px; color: rgba(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="830" style="width: 35px; color: rgba(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">@@ -830,7 +830,7 @@ repRuleBndr (L _ (RuleBndr _ n))</td>

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830

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830

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<pre style="margin: 0;"> <span id="LC830" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rep2</span> <span class="n" style="color: #333;">ruleVarName</span> <span class="p">[</span><span class="n" style="color: #333;">n'</span><span class="p">]</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="831" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

831

</td>

<td class="diff-line-num new_line" data-linenumber="831" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

831

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<pre style="margin: 0;"> <span id="LC831" class="line" lang="haskell"><span class="n" style="color: #333;">repRuleBndr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">sig</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="832" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

832

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<td class="diff-line-num new_line" data-linenumber="832" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

832

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<pre style="margin: 0;"> <span id="LC832" 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="kt" style="color: #458; font-weight: 600;">MkC</span> <span class="n" style="color: #333;">n'</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lookupLBinder</span> <span class="n" style="color: #333;">n</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

833

</td>

<td class="diff-line-num new_line old" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC833" class="line" lang="haskell">       <span class="p">;</span> <span class="kt" style="color: #458; font-weight: 600;">MkC</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLTy</span> <span class="p">(</span><span class="n" style="color: #333;">hs<span class="idiff left right">SigWc</span>Type</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="834" style="width: 35px; color: rgba(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="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

833

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<pre style="margin: 0;">+<span id="LC833" class="line" lang="haskell">       <span class="p">;</span> <span class="kt" style="color: #458; font-weight: 600;">MkC</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLTy</span> <span class="p">(</span><span class="n" style="color: #333;">hs<span class="idiff left right">PatSig</span>Type</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

834

</td>

<td class="diff-line-num new_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

834

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<pre style="margin: 0;"> <span id="LC834" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rep2</span> <span class="n" style="color: #333;">typedRuleVarName</span> <span class="p">[</span><span class="n" style="color: #333;">n'</span><span class="p">,</span> <span class="n" style="color: #333;">ty'</span><span class="p">]</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<td class="diff-line-num new_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<pre style="margin: 0;"> <span id="LC835" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

836

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<td class="diff-line-num new_line" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

836

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<pre style="margin: 0;"> <span id="LC836" class="line" lang="haskell"><span class="n" style="color: #333;">repAnnD</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LAnnDecl</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;">MetaM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Core</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">M</span> <span class="kt" style="color: #458; font-weight: 600;">TH</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Dec</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1935" style="width: 35px; color: rgba(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="1935" style="width: 35px; color: rgba(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">@@ -1935,7 +1935,7 @@ repP (NPat _ (L _ l) Nothing _) = do { a <- repOverloadedLiteral l</td>

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1935

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<td class="diff-line-num new_line" data-linenumber="1935" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1935

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<pre style="margin: 0;"> <span id="LC1935" class="line" lang="haskell"><span class="n" style="color: #333;">repP</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ViewPat</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">p</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">e'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLE</span> <span class="n" style="color: #333;">e</span><span class="p">;</span> <span class="n" style="color: #333;">p'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLP</span> <span class="n" style="color: #333;">p</span><span class="p">;</span> <span class="n" style="color: #333;">repPview</span> <span class="n" style="color: #333;">e'</span> <span class="n" style="color: #333;">p'</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1936" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1936

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<td class="diff-line-num new_line" data-linenumber="1936" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1936

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<pre style="margin: 0;"> <span id="LC1936" class="line" lang="haskell"><span class="n" style="color: #333;">repP</span> <span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NPat</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">notHandled</span> <span class="s" style="color: #d14;">"Negative overloaded patterns"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">p</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1937" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1937

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<td class="diff-line-num new_line" data-linenumber="1937" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1937

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<pre style="margin: 0;"> <span id="LC1937" class="line" lang="haskell"><span class="n" style="color: #333;">repP</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SigPat</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">t</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">p'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLP</span> <span class="n" style="color: #333;">p</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1938" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1938

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<td class="diff-line-num new_line old" data-linenumber="1938" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1938" class="line" lang="haskell">                         <span class="p">;</span> <span class="n" style="color: #333;">t'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLTy</span> <span class="p">(</span><span class="n" style="color: #333;">hs<span class="idiff left right">SigWc</span>Type</span> <span class="n" style="color: #333;">t</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1939" style="width: 35px; color: rgba(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="1938" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1938

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<pre style="margin: 0;">+<span id="LC1938" class="line" lang="haskell">                         <span class="p">;</span> <span class="n" style="color: #333;">t'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">repLTy</span> <span class="p">(</span><span class="n" style="color: #333;">hs<span class="idiff left right">PatSig</span>Type</span> <span class="n" style="color: #333;">t</span><span class="p">)</span></span>

</pre>

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1939

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<td class="diff-line-num new_line" data-linenumber="1939" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1939

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<pre style="margin: 0;"> <span id="LC1939" class="line" lang="haskell">                         <span class="p">;</span> <span class="n" style="color: #333;">repPsig</span> <span class="n" style="color: #333;">p'</span> <span class="n" style="color: #333;">t'</span> <span class="p">}</span></span>

</pre>

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1940

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1940

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<pre style="margin: 0;"> <span id="LC1940" class="line" lang="haskell"><span class="n" style="color: #333;">repP</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SplicePat</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">splice</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">repSplice</span> <span class="n" style="color: #333;">splice</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1941" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1941

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<td class="diff-line-num new_line" data-linenumber="1941" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1941

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<pre style="margin: 0;"> <span id="LC1941" class="line" lang="haskell"><span class="n" style="color: #333;">repP</span> <span class="n" style="color: #333;">other</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">notHandled</span> <span class="s" style="color: #d14;">"Exotic pattern"</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">other</span><span class="p">)</span></span>

</pre>

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<br>

</li>

<li id="649144a78135a23cabfc90dd83c4aabf448eb6ab">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#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="833" style="width: 35px; color: rgba(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="833" style="width: 35px; color: rgba(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">@@ -833,7 +833,7 @@ instance ( a ~ GhcPass p</td>

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<td class="diff-line-num old_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

833

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<td class="diff-line-num new_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

833

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<pre style="margin: 0;"> <span id="LC833" class="line" lang="haskell">        <span class="p">[</span> <span class="n" style="color: #333;">toHie</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">PS</span> <span class="n" style="color: #333;">rsp</span> <span class="n" style="color: #333;">scope</span> <span class="n" style="color: #333;">pscope</span> <span class="n" style="color: #333;">pat</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

834

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<td class="diff-line-num new_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

834

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<pre style="margin: 0;"> <span id="LC834" class="line" lang="haskell">        <span class="p">,</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">cscope</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkLScope</span> <span class="n" style="color: #333;">pat</span> <span class="kr" style="font-weight: 600;">in</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<td class="diff-line-num new_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<pre style="margin: 0;"> <span id="LC835" class="line" lang="haskell">            <span class="n" style="color: #333;">toHie</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">TS</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ResolvedScopes</span> <span class="p">[</span><span class="n" style="color: #333;">cscope</span><span class="p">,</span> <span class="n" style="color: #333;">scope</span><span class="p">,</span> <span class="n" style="color: #333;">pscope</span><span class="p">])</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

836

</td>

<td class="diff-line-num new_line old" data-linenumber="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC836" class="line" lang="haskell">                       <span class="p">(</span><span class="n" style="color: #333;">protectSig</span> <span class="o" style="font-weight: 600;">@</span><span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">cscope</span> <span class="n" style="color: #333;"><span class="idiff left">sig</span></span><span class="p"><span class="idiff right">)</span></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="837" style="width: 35px; color: rgba(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="836" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

836

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<pre style="margin: 0;">+<span id="LC836" class="line" lang="haskell">                       <span class="p">(</span><span class="n" style="color: #333;">protectSig</span> <span class="o" style="font-weight: 600;">@</span><span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">cscope</span> <span class="n" style="color: #333;"><span class="idiff left">undefined</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- TODO RGS: Help me wz1000!</span></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="837" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

837

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<td class="diff-line-num new_line" data-linenumber="837" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

837

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<pre style="margin: 0;"> <span id="LC837" class="line" lang="haskell">              <span class="c1" style="color: #998; font-style: italic;">-- See Note [Scoping Rules for SigPat]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="838" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

838

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<td class="diff-line-num new_line" data-linenumber="838" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

838

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<pre style="margin: 0;"> <span id="LC838" class="line" lang="haskell">        <span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="839" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

839

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<td class="diff-line-num new_line" data-linenumber="839" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

839

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<pre style="margin: 0;"> <span id="LC839" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">XPat</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">ghcPass</span> <span class="o" style="font-weight: 600;">@</span><span class="n" style="color: #333;">p</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1847" style="width: 35px; color: rgba(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="1847" style="width: 35px; color: rgba(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">@@ -1847,7 +1847,7 @@ instance ToHie (RScoped (LRuleBndr GhcRn)) where</td>

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1847

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<td class="diff-line-num new_line" data-linenumber="1847" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1847

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<pre style="margin: 0;"> <span id="LC1847" class="line" lang="haskell">        <span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1848" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1848

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<td class="diff-line-num new_line" data-linenumber="1848" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1848

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<pre style="margin: 0;"> <span id="LC1848" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">var</span> <span class="n" style="color: #333;">typ</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1849

</td>

<td class="diff-line-num new_line" data-linenumber="1849" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1849

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<pre style="margin: 0;"> <span id="LC1849" class="line" lang="haskell">        <span class="p">[</span> <span class="n" style="color: #333;">toHie</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">C</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ValBind</span> <span class="kt" style="color: #458; font-weight: 600;">RegularBind</span> <span class="n" style="color: #333;">sc</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">)</span> <span class="n" style="color: #333;">var</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1850

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<td class="diff-line-num new_line old" data-linenumber="1850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1850" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">toHie</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">TS</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ResolvedScopes</span> <span class="p">[</span><span class="n" style="color: #333;">sc</span><span class="p">])</span> <span class="n" style="color: #333;"><span class="idiff left right">typ</span></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1851" style="width: 35px; color: rgba(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="1850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1850

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<pre style="margin: 0;">+<span id="LC1850" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">toHie</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">TS</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ResolvedScopes</span> <span class="p">[</span><span class="n" style="color: #333;">sc</span><span class="p">])</span> <span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">undefined</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LHsSigWcType</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcRn</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- TODO RGS: Help me wz1000!</span></span></span>

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<td class="diff-line-num old_line" data-linenumber="1851" style="width: 35px; color: rgba(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="LC1851" class="line" lang="haskell">        <span class="p">]</span></span>

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<pre style="margin: 0;"> <span id="LC1852" class="line" lang="haskell"></span>

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<td class="diff-line-num old_line" data-linenumber="1853" style="width: 35px; color: rgba(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="LC1853" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">ToHie</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LImportDecl</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<br>

</li>

<li id="446cb12ca6cefaf1c6eb79b7db643632744263c7">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#446cb12ca6cefaf1c6eb79b7db643632744263c7"><strong>compiler/GHC/Parser/PostProcess.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="874" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="874" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -874,7 +874,7 @@ mkRuleBndrs :: [LRuleTyTmVar] -> [LRuleBndr GhcPs]</td>

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<pre style="margin: 0;"> <span id="LC874" class="line" lang="haskell"><span class="n" style="color: #333;">mkRuleBndrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="p">(</span><span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">cvt_one</span><span class="p">)</span></span>

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875

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<pre style="margin: 0;"> <span id="LC875" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">cvt_one</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RuleTyTmVar</span> <span class="n" style="color: #333;">v</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span><span class="p">)</span>    <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RuleBndr</span>    <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">v</span></span>

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<pre style="margin: 0;"> <span id="LC876" class="line" lang="haskell">        <span class="n" style="color: #333;">cvt_one</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RuleTyTmVar</span> <span class="n" style="color: #333;">v</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">sig</span><span class="p">))</span> <span class="o" style="font-weight: 600;">=</span></span>

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<td class="diff-line-num old old_line" data-linenumber="877" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC877" class="line" lang="haskell">          <span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">v</span> <span class="p">(</span><span class="n" style="color: #333;">mk<span class="idiff left right">LHsSigWc</span>Type</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span></span>

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<td class="diff-line-num new old_line" data-linenumber="878" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC877" class="line" lang="haskell">          <span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">v</span> <span class="p">(</span><span class="n" style="color: #333;">mk<span class="idiff left right">HsPatSig</span>Type</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span></span>

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<td class="diff-line-num old_line" data-linenumber="878" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC878" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="879" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC879" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- turns RuleTyTmVars into HsTyVarBndrs - this is more interesting</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="880" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC880" class="line" lang="haskell"><span class="n" style="color: #333;">mkRuleTyVarBndrs</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LRuleTyTmVar</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;">LHsTyVarBndr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">]</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2033" style="width: 35px; color: rgba(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="2033" style="width: 35px; color: rgba(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">@@ -2033,7 +2033,7 @@ instance DisambECP (PatBuilder GhcPs) where</td>

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2033

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<pre style="margin: 0;"> <span id="LC2033" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsWildCardPV</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="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;">PatBuilderPat</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">WildPat</span> <span class="n" style="color: #333;">noExtField</span><span class="p">))</span></span>

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2034

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2034

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<pre style="margin: 0;"> <span id="LC2034" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsTySigPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">b</span> <span class="n" style="color: #333;">sig</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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2035

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<pre style="margin: 0;"> <span id="LC2035" class="line" lang="haskell">    <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">checkLPat</span> <span class="n" style="color: #333;">b</span></span>

</pre>

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2036

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<td class="diff-line-num new_line old" data-linenumber="2036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2036" class="line" lang="haskell">    <span class="n" style="color: #333;">return</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="kt" style="color: #458; font-weight: 600;">PatBuilderPat</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SigPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">p</span> <span class="p">(</span><span class="n" style="color: #333;">mk<span class="idiff left right">LHsSigWc</span>Type</span> <span class="n" style="color: #333;">sig</span><span class="p">)))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2037" style="width: 35px; color: rgba(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="2036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2036

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<pre style="margin: 0;">+<span id="LC2036" class="line" lang="haskell">    <span class="n" style="color: #333;">return</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="kt" style="color: #458; font-weight: 600;">PatBuilderPat</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SigPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">p</span> <span class="p">(</span><span class="n" style="color: #333;">mk<span class="idiff left right">HsPatSig</span>Type</span> <span class="n" style="color: #333;">sig</span><span class="p">)))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2037

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<td class="diff-line-num new_line" data-linenumber="2037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2037

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<pre style="margin: 0;"> <span id="LC2037" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsExplicitListPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">xs</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2038

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<td class="diff-line-num new_line" data-linenumber="2038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2038

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<pre style="margin: 0;"> <span id="LC2038" class="line" lang="haskell">    <span class="n" style="color: #333;">ps</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">traverse</span> <span class="n" style="color: #333;">checkLPat</span> <span class="n" style="color: #333;">xs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2039

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<td class="diff-line-num new_line" data-linenumber="2039" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2039

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<pre style="margin: 0;"> <span id="LC2039" class="line" lang="haskell">    <span class="n" style="color: #333;">return</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;">PatBuilderPat</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ListPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">ps</span><span class="p">)))</span></span>

</pre>

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<br>

</li>

<li id="af762064d779f7308dd415966c974f27d14f9943">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#af762064d779f7308dd415966c974f27d14f9943"><strong>compiler/GHC/Rename/Bind.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -962,7 +962,7 @@ renameSig _ (IdSig _ x)</td>

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<td class="diff-line-num old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

962

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962

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<pre style="margin: 0;"> <span id="LC962" class="line" lang="haskell"><span class="n" style="color: #333;">renameSig</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">sig</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypeSig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">vs</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_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

963

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<td class="diff-line-num new_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

963

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<pre style="margin: 0;"> <span id="LC963" 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;">new_vs</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;">lookupSigOccRn</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span> <span class="n" style="color: #333;">vs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

964

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<td class="diff-line-num new_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

964

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<pre style="margin: 0;"> <span id="LC964" class="line" lang="haskell">        <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">doc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypeSigCtx</span> <span class="p">(</span><span class="n" style="color: #333;">ppr_sig_bndrs</span> <span class="n" style="color: #333;">vs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

965

</td>

<td class="diff-line-num new_line old" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC965" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">new_ty</span><span class="p">,</span> <span class="n" style="color: #333;">fvs</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">BindUnlessForall</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">doc</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="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

965

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<pre style="margin: 0;">+<span id="LC965" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">new_ty</span><span class="p">,</span> <span class="n" style="color: #333;">fvs</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnHsSigWcType</span> <span class="n" style="color: #333;">doc</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

966

</td>

<td class="diff-line-num new_line" data-linenumber="966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

966

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<pre style="margin: 0;"> <span id="LC966" 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;">TypeSig</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">new_vs</span> <span class="n" style="color: #333;">new_ty</span><span class="p">,</span> <span class="n" style="color: #333;">fvs</span><span class="p">)</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

967

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<td class="diff-line-num new_line" data-linenumber="967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

967

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<pre style="margin: 0;"> <span id="LC967" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

968

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968

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<pre style="margin: 0;"> <span id="LC968" class="line" lang="haskell"><span class="n" style="color: #333;">renameSig</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">sig</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ClassOpSig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">is_deflt</span> <span class="n" style="color: #333;">vs</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

</pre>

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<br>

</li>

<li id="b47ece2bbb8303a5792c2fdc52394c8ed336e8a2">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#b47ece2bbb8303a5792c2fdc52394c8ed336e8a2"><strong>compiler/GHC/Rename/Expr.hs</strong></a>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -316,7 +316,7 @@ rnExpr (RecordUpd { rupd_expr = expr, rupd_flds = rbinds })</td>

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<pre style="margin: 0;"> <span id="LC316" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">fvExpr</span> <span class="p">`</span><span class="n" style="color: #333;">plusFV</span><span class="p">`</span> <span class="n" style="color: #333;">fvRbinds</span><span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC317" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell"><span class="n" style="color: #333;">rnExpr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ExprWithTySig</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">expr</span> <span class="n" style="color: #333;">pty</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="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">pty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvTy</span><span class="p">)</span>    <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">BindUnlessForall</span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">ExprWithTySigCtx</span> <span class="n" style="color: #333;">pty</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="kr" style="font-weight: 600;">do</span>  <span class="p">{</span> <span class="p">(</span><span class="n" style="color: #333;">pty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvTy</span><span class="p">)</span>    <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">ExprWithTySigCtx</span> <span class="n" style="color: #333;">pty</span></span>

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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell">        <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">expr'</span><span class="p">,</span> <span class="n" style="color: #333;">fvExpr</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">bindSigTyVarsFV</span> <span class="p">(</span><span class="n" style="color: #333;">hsWcScopedTvs</span> <span class="n" style="color: #333;">pty'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

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<pre style="margin: 0;"> <span id="LC321" class="line" lang="haskell">                             <span class="n" style="color: #333;">rnLExpr</span> <span class="n" style="color: #333;">expr</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;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ExprWithTySig</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">expr'</span> <span class="n" style="color: #333;">pty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvExpr</span> <span class="p">`</span><span class="n" style="color: #333;">plusFV</span><span class="p">`</span> <span class="n" style="color: #333;">fvTy</span><span class="p">)</span> <span class="p">}</span></span>

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<li id="892acbb198a9095c917740d3c1297b56df4e3b7e">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#892acbb198a9095c917740d3c1297b56df4e3b7e"><strong>compiler/GHC/Rename/HsType.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -13,7 +13,7 @@ module GHC.Rename.HsType (</td>

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<td class="diff-line-num old_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnHsType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsTypes</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnContext</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnHsKind</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsKind</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnLHsTypeArgs</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC15" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnHsSigType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnHsWcType</span><span class="p">,</span></span>

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<pre style="margin: 0;">-<span id="LC16" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</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;">rnHsSigWcType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnHs<span class="idiff left right">SigWcTypeScoped</span></span><span class="p">,</span></span>

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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</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;">rnHsSigWcType</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">rnHs<span class="idiff left right">PatSigType</span></span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">newTyVarNameRn</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC18" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnConDeclFields</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC19" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">rnLTyVar</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">@@ -71,58 +71,85 @@ import Control.Monad      ( unless, when )</td>

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<pre style="margin: 0;"> <span id="LC71" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC72" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>

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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">These type renamers are in a separate module, rather than in (say) GHC.Rename.Module,</span></span>

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<pre style="margin: 0;">-<span id="LC74" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">to break several loop.</span></span>

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<pre style="margin: 0;">+<span id="LC74" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">to break several loop<span class="idiff left right">s</span>.</span></span>

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<pre style="margin: 0;"> <span id="LC75" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC76" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*********************************************************</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC77" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                       *</span></span>

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<pre style="margin: 0;">-<span id="LC78" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    <span class="idiff left right">       HsSigWc</span>Type (i.e with wildcards)</span></span>

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<pre style="margin: 0;">+<span id="LC78" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    <span class="idiff left right">HsSigWcType and HsPatSig</span>Type (i.e with wildcards)</span></span>

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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                       *</span></span>

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<pre style="margin: 0;"> <span id="LC80" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*********************************************************</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC81" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>

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<pre style="margin: 0;"> <span id="LC82" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC83" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span></span>

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<pre style="margin: 0;">-<span id="LC84" class="line" lang="haskell">                          <span class="c1" style="color: #998; font-style: italic;">-- ^ Always bind any free tyvars of the given type,</span></span>

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<pre style="margin: 0;">-<span id="LC85" class="line" lang="haskell">                          <span class="c1" style="color: #998; font-style: italic;">--   regardless of whether we have a forall at the top</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC86" class="line" lang="haskell">                        <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">BindUnlessForall</span></span>

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<pre style="margin: 0;">-<span id="LC87" class="line" lang="haskell">                          <span class="c1" style="color: #998; font-style: italic;">-- ^ Unless there's forall at the top, do the same</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC88" class="line" lang="haskell">                          <span class="c1" style="color: #998; font-style: italic;">--   thing as 'AlwaysBind'</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC89" class="line" lang="haskell">                        <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">NeverBind</span></span>

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<pre style="margin: 0;">-<span id="LC90" class="line" lang="haskell">                          <span class="c1" style="color: #998; font-style: italic;">-- ^ Never bind any free tyvars</span></span>

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<pre style="margin: 0;">-<span id="LC91" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC92" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigWcType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

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<pre style="margin: 0;">+<span id="LC83" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC84" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC85" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Always bind any free tyvars of the given type, regardless of whether we</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC86" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- have a forall at the top.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC87" 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="LC88" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- For pattern type sigs and rules we /do/ want to bring those type</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC89" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- variables into scope, even if there's a forall at the top which usually</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC90" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- stops that happening, e.g:</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC91" 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="LC92" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- > \ (x :: forall a. a-> b) -> e</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC93" 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="LC94" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Here we do bring 'b' into scope.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC95" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">BindUnlessForall</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC96" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Unless there's forall at the top, do the same thing as 'AlwaysBind'.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC97" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- This is only ever used in places where the \"@forall@-or-nothing\" rule</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC98" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- is in effect.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC99" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">NeverBind</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC100" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Never bind any free tyvars. This is only used for RULES that have both</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC101" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- type and term variabls binders, e.g.:</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC102" 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="LC103" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- > {-# RULES "id" forall a. forall (x :: a) y. const x y = x #-}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">--</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC105" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- The presence of the type variable binder @forall a.@ implies that the</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC106" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- free variables in the types of the term variable binders @x@ and @y@</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC107" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- are /not/ bound. In the example above, there are no such free variables,</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC108" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- but if the user had written @(y :: b)@ instead of @y@ in the term</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC109" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- variable binders, then @b@ would be rejected for being out of scope.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC110" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- If the user had omitted the type variable binder, however:</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC111" 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="LC112" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- > {-# RULES "id" forall (x :: a) (y :: b). const x y = x #-}</span></span>

</pre>

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113

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<pre style="margin: 0;">+<span id="LC113" 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="LC114" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- Then @(y :: b)@ would be fine, as it would be implicitly quantified.</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="115" style="width: 35px; color: rgba(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="LC115" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- In other words, omitting type variable binders caused 'AlwaysBind',</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="93" style="width: 35px; color: rgba(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="116" style="width: 35px; color: rgba(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="LC116" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- not 'NeverBind', to be picked.</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="93" style="width: 35px; color: rgba(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="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

117

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<pre style="margin: 0;">+<span id="LC117" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="93" style="width: 35px; color: rgba(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="118" style="width: 35px; color: rgba(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="LC118" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigWcType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="93" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

93

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<td class="diff-line-num new_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

119

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<pre style="margin: 0;"> <span id="LC119" class="line" lang="haskell">              <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</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;">FreeVars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="94" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

94

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<td class="diff-line-num new_line old" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC94" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigWcType</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">doc</span> <span class="n" style="color: #333;">sig_ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="95" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

95

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<td class="diff-line-num new_line old" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC95" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">doc</span> <span class="n" style="color: #333;">sig_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;">sig_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="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

96

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<pre style="margin: 0;">-<span id="LC96" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">sig_ty'</span><span class="p">,</span> <span class="n" style="color: #333;">emptyFVs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="97" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

97

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<pre style="margin: 0;">-<span id="LC97" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="98" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

98

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<pre style="margin: 0;">-<span id="LC98" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigWcTypeScoped</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="99" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

99

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<pre style="margin: 0;">-<span id="LC99" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- AlwaysBind: for pattern type sigs and rules we /do/ want</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

100

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<pre style="margin: 0;">-<span id="LC100" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">--             to bring those type variables into scope, even</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

101

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<td class="diff-line-num new_line old" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC101" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">--             if there's a forall at the top which usually</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

102

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<pre style="margin: 0;">-<span id="LC102" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">--             stops that happening</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

103

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<pre style="margin: 0;">-<span id="LC103" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- e.g  \ (x :: forall a. a-> b) -> e</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

104

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<pre style="margin: 0;">-<span id="LC104" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- Here we do bring 'b' into scope</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

105

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<pre style="margin: 0;">-<span id="LC105" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

106

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<td class="diff-line-num new_line old" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC106" 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;">LHsSigWcType</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;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">))</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC107" class="line" lang="haskell">                    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="120" style="width: 35px; color: rgba(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="LC120" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigWcType</span> <span class="n" style="color: #333;">doc</span> <span class="p">(</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="kt" style="color: #458; font-weight: 600;">HsIB</span> <span class="p">{</span> <span class="n" style="color: #333;">hsib_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty</span> <span class="p">}})</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="kt" style="color: #458; font-weight: 600;">BindUnlessForall</span> <span class="n" style="color: #333;">doc</span> <span class="n" style="color: #333;">hs_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;">nwcs</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="n" style="color: #333;">body</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC122" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ib_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsIB</span> <span class="p">{</span> <span class="n" style="color: #333;">hsib_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">imp_tvs</span><span class="p">,</span> <span class="n" style="color: #333;">hsib_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body</span>  <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell">        <span class="n" style="color: #333;">wc_ty</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_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nwcs</span><span class="p">,</span>    <span class="n" style="color: #333;">hswc_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ib_ty</span> <span class="p">}</span> <span class="kr" style="font-weight: 600;">in</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell">    <span class="n" style="color: #333;">pure</span> <span class="p">(</span><span class="n" style="color: #333;">wc_ty</span><span class="p">,</span> <span class="n" style="color: #333;">emptyFVs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC125" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="126" style="width: 35px; color: rgba(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="LC126" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsPatSigType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="127" style="width: 35px; color: rgba(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="LC127" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="128" style="width: 35px; color: rgba(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="LC128" 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;">HsPatSigType</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;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="129" style="width: 35px; color: rgba(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="LC129" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Used for</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC109" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - Signatures on binders in a RULE</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); 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="131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC110" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - Pattern type signatures</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="131" style="width: 35px; color: rgba(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="LC131" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - Pattern type signatures, which are only allowed with ScopedTypeVariables</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="132" style="width: 35px; color: rgba(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="LC132" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   - Signatures on binders in a RULE, which are allowed even if</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--     ScopedTypeVariables isn't enabled</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

111

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134

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<pre style="margin: 0;"> <span id="LC134" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Wildcards are allowed</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC112" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- type signatures on binders only allowed with ScopedTypeVariables</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC113" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigWcTypeScoped</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;">sig_ty</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC135" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsPatSigType</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;">sig_ty</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC136" 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;">ty_sig_okay</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">xoptM</span> <span class="kt" style="color: #458; font-weight: 600;">LangExt</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">ScopedTypeVariables</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC115" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">checkErr</span> <span class="n" style="color: #333;">ty_sig_okay</span> <span class="p">(</span><span class="n" style="color: #333;">unexpectedTypeSigErr</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC116" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctx</span> <span class="n" style="color: #333;">sig_ty</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC117" class="line" lang="haskell">       <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

118

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<pre style="margin: 0;">-<span id="LC118" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

119

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<pre style="margin: 0;">-<span id="LC119" class="line" lang="haskell"><span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC120" 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;">LHsSigWcType</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;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC137" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">checkErr</span> <span class="n" style="color: #333;">ty_sig_okay</span> <span class="p">(</span><span class="n" style="color: #333;">unexpectedPatSigTypeErr</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC138" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctx</span> <span class="p">(</span><span class="n" style="color: #333;">hsPatSigType</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="139" style="width: 35px; color: rgba(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="LC139" class="line" lang="haskell">         <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">nwcs</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="n" style="color: #333;">body</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC140" class="line" lang="haskell">    <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;">sig_names</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_nwcs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nwcs</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_imp_tvs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">imp_tvs</span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC141" class="line" lang="haskell">             <span class="n" style="color: #333;">sig_ty'</span>   <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_names</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">body</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="142" style="width: 35px; color: rgba(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="LC142" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;">sig_ty'</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="143" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

143

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

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="144" style="width: 35px; color: rgba(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="LC144" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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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="c1" style="color: #998; font-style: italic;">-- The workhorse for rnHsSigWcType and rnHsPatSigType.</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="146" style="width: 35px; color: rgba(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="LC146" class="line" lang="haskell"><span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsSigWcTypeScoping</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="147" style="width: 35px; color: rgba(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="LC147" 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;">Name</span><span class="p">]</span>    <span class="c1" style="color: #998; font-style: italic;">-- Wildcard names</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="148" style="width: 35px; color: rgba(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="LC148" 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;">Name</span><span class="p">]</span> <span class="c1" style="color: #998; font-style: italic;">-- Implicitly quantified type variable names</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="149" style="width: 35px; color: rgba(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="LC149" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="150" style="width: 35px; color: rgba(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="LC150" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">))</span></span>

</pre>

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121

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<pre style="margin: 0;"> <span id="LC151" class="line" lang="haskell">                  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FreeVars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC122" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- rn_hs_sig_wc_type is used for source-language type signatures</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC123" class="line" lang="haskell"><span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctxt</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC124" class="line" lang="haskell">                  <span class="p">(</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="kt" style="color: #458; font-weight: 600;">HsIB</span> <span class="p">{</span> <span class="n" style="color: #333;">hsib_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty</span> <span class="p">}})</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="125" style="width: 35px; color: rgba(0,0,0,0.3); 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="152" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC125" class="line" lang="haskell">                  <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="126" style="width: 35px; color: rgba(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="152" style="width: 35px; color: rgba(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="LC152" class="line" lang="haskell"><span class="n" style="color: #333;">rn_hs_sig_wc_type</span> <span class="n" style="color: #333;">scoping</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">hs_ty</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="153" style="width: 35px; color: rgba(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="LC153" 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;">free_vars</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">extractFilteredRdrTyVarsDups</span> <span class="n" style="color: #333;">hs_ty</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">nwc_rdrs'</span><span class="p">,</span> <span class="n" style="color: #333;">tv_rdrs</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">partition_nwcs</span> <span class="n" style="color: #333;">free_vars</span></span>

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<td class="diff-line-num new_line" data-linenumber="155" style="width: 35px; color: rgba(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="LC155" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">nwc_rdrs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">nubL</span> <span class="n" style="color: #333;">nwc_rdrs'</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="159" style="width: 35px; color: rgba(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">@@ -132,10 +159,7 @@ rn_hs_sig_wc_type scoping ctxt</td>

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<pre style="margin: 0;"> <span id="LC159" class="line" lang="haskell">                               <span class="kt" style="color: #458; font-weight: 600;">NeverBind</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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<td class="diff-line-num old_line" data-linenumber="133" style="width: 35px; color: rgba(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="LC160" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">rnImplicitBndrs</span> <span class="n" style="color: #333;">bind_free_tvs</span> <span class="n" style="color: #333;">tv_rdrs</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;">vars</span> <span class="o" style="font-weight: 600;">-></span></span>

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<pre style="margin: 0;"> <span id="LC161" 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;">wcs</span><span class="p">,</span> <span class="n" style="color: #333;">hs_ty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvs1</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnWcBody</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">nwc_rdrs</span> <span class="n" style="color: #333;">hs_ty</span></span>

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<pre style="margin: 0;">-<span id="LC135" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">sig_ty'</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_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">wcs</span><span class="p">,</span> <span class="n" style="color: #333;">hswc_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ib_ty'</span> <span class="p">}</span></span>

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<td class="diff-line-num new_line old" data-linenumber="162" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC136" class="line" lang="haskell">             <span class="n" style="color: #333;">ib_ty'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsIB</span> <span class="p">{</span> <span class="n" style="color: #333;">hsib_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">vars</span></span>

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<td class="diff-line-num old old_line" data-linenumber="137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC137" class="line" lang="haskell">                            <span class="p">,</span> <span class="n" style="color: #333;">hsib_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty'</span> <span class="p">}</span></span>

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<pre style="margin: 0;">-<span id="LC138" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">res</span><span class="p">,</span> <span class="n" style="color: #333;">fvs2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;">sig_ty'</span></span>

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<pre style="margin: 0;">+<span id="LC162" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">res</span><span class="p">,</span> <span class="n" style="color: #333;">fvs2</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">thing_inside</span> <span class="n" style="color: #333;">wcs</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">hs_ty'</span></span>

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<pre style="margin: 0;"> <span id="LC163" 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;">res</span><span class="p">,</span> <span class="n" style="color: #333;">fvs1</span> <span class="p">`</span><span class="n" style="color: #333;">plusFV</span><span class="p">`</span> <span class="n" style="color: #333;">fvs2</span><span class="p">)</span> <span class="p">}</span> <span class="p">}</span></span>

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<td class="diff-line-num new_line" data-linenumber="164" style="width: 35px; color: rgba(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="LC164" class="line" lang="haskell"></span>

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<td class="diff-line-num 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">

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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsWcType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsDocContext</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">RnM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsWcType</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;">FreeVars</span><span class="p">)</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1376" style="width: 35px; color: rgba(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="1400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1376,8 +1400,8 @@ ppr_opfix (op, fixity) = pp_op <+> brackets (ppr fixity)</td>

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<pre style="margin: 0;"> <span id="LC1400" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">*                                                      *</span></span>

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<td class="diff-line-num new_line" data-linenumber="1401" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1401

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<pre style="margin: 0;"> <span id="LC1401" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">***************************************************** -}</span></span>

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1378

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<td class="diff-line-num new_line" data-linenumber="1402" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1402

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<pre style="margin: 0;"> <span id="LC1402" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1379" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1379

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<td class="diff-line-num new_line old" data-linenumber="1403" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1379" class="line" lang="haskell"><span class="n" style="color: #333;">unexpected<span class="idiff left">TypeSigErr</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">LHsSigWc</span>Type</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1380" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1380

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<td class="diff-line-num new_line old" data-linenumber="1403" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1380" class="line" lang="haskell"><span class="n" style="color: #333;">unexpected<span class="idiff left right">TypeSig</span>Err</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="1381" style="width: 35px; color: rgba(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="1403" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1403

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<pre style="margin: 0;">+<span id="LC1403" class="line" lang="haskell"><span class="n" style="color: #333;">unexpected<span class="idiff left">PatSigTypeErr</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">HsPatSig</span>Type</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1381" style="width: 35px; color: rgba(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="1404" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1404

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<pre style="margin: 0;">+<span id="LC1404" class="line" lang="haskell"><span class="n" style="color: #333;">unexpected<span class="idiff left right">PatSigType</span>Err</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1381

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<td class="diff-line-num new_line" data-linenumber="1405" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1405

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<pre style="margin: 0;"> <span id="LC1405" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</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 type signature:"</span> <span class="o" style="font-weight: 600;"><+></span> <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;">ty</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1382" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1382

</td>

<td class="diff-line-num new_line" data-linenumber="1406" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1406

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<pre style="margin: 0;"> <span id="LC1406" class="line" lang="haskell">       <span class="mi" style="color: #099;">2</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Type signatures are only allowed in patterns with ScopedTypeVariables"</span><span class="p">)</span></span>

</pre>

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1383

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<td class="diff-line-num new_line" data-linenumber="1407" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1407

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<pre style="margin: 0;"> <span id="LC1407" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="7dd1cd0f6f2164a14c83d9aa564dd32bc30e447a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#7dd1cd0f6f2164a14c83d9aa564dd32bc30e447a"><strong>compiler/GHC/Rename/Module.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -958,7 +958,7 @@ rnSrcDerivDecl (DerivDecl _ ty mds overlap)</td>

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958

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958

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<pre style="margin: 0;"> <span id="LC958" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">unless</span> <span class="n" style="color: #333;">standalone_deriv_ok</span> <span class="p">(</span><span class="n" style="color: #333;">addErr</span> <span class="n" style="color: #333;">standaloneDerivErr</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

959

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<td class="diff-line-num new_line" data-linenumber="959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

959

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<pre style="margin: 0;"> <span id="LC959" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">mds'</span><span class="p">,</span> <span class="n" style="color: #333;">ty'</span><span class="p">,</span> <span class="n" style="color: #333;">fvs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

960

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<td class="diff-line-num new_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

960

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<pre style="margin: 0;"> <span id="LC960" class="line" lang="haskell">           <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnLDerivStrategy</span> <span class="kt" style="color: #458; font-weight: 600;">DerivDeclCtx</span> <span class="n" style="color: #333;">mds</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="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

961

</td>

<td class="diff-line-num new_line old" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC961" class="line" lang="haskell">              <span class="n" style="color: #333;">rnHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">BindUnlessForall</span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">DerivDeclCtx</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="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

961

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<pre style="margin: 0;">+<span id="LC961" class="line" lang="haskell">              <span class="n" style="color: #333;">rnHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">DerivDeclCtx</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

962

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<td class="diff-line-num new_line" data-linenumber="962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

962

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<pre style="margin: 0;"> <span id="LC962" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">warnNoDerivStrat</span> <span class="n" style="color: #333;">mds'</span> <span class="n" style="color: #333;">loc</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

963

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<td class="diff-line-num new_line" data-linenumber="963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

963

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<pre style="margin: 0;"> <span id="LC963" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">DerivDecl</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">ty'</span> <span class="n" style="color: #333;">mds'</span> <span class="n" style="color: #333;">overlap</span><span class="p">,</span> <span class="n" style="color: #333;">fvs</span><span class="p">)</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

964

</td>

<td class="diff-line-num new_line" data-linenumber="964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

964

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<pre style="margin: 0;"> <span id="LC964" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1029,7 +1029,7 @@ bindRuleTmVars doc tyvs vars names thing_inside</td>

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1029

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<pre style="margin: 0;"> <span id="LC1029" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1030

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1030

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<pre style="margin: 0;"> <span id="LC1030" class="line" lang="haskell">    <span class="n" style="color: #333;">go</span> <span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="kr" 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;">loc</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="n" style="color: #333;">bsig</span><span class="p">))</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">vars</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1031

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1031

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<pre style="margin: 0;"> <span id="LC1031" 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="n" style="color: #333;">ns</span><span class="p">)</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1032

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<td class="diff-line-num new_line old" data-linenumber="1032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1032" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rnHs<span class="idiff left right">SigWcTypeScoped</span></span> <span class="n" style="color: #333;">bind_free_tvs</span> <span class="n" style="color: #333;">doc</span> <span class="n" style="color: #333;">bsig</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;">bsig'</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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1032

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<pre style="margin: 0;">+<span id="LC1032" class="line" lang="haskell">      <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rnHs<span class="idiff left right">PatSigType</span></span> <span class="n" style="color: #333;">bind_free_tvs</span> <span class="n" style="color: #333;">doc</span> <span class="n" style="color: #333;">bsig</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;">bsig'</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1033

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1033

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<pre style="margin: 0;"> <span id="LC1033" class="line" lang="haskell">        <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">vars</span> <span class="n" style="color: #333;">ns</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;">vars'</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1034

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<td class="diff-line-num new_line" data-linenumber="1034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1034

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<pre style="margin: 0;"> <span id="LC1034" class="line" lang="haskell">        <span class="n" style="color: #333;">thing_inside</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;">RuleBndrSig</span> <span class="n" style="color: #333;">noExtField</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;">n</span><span class="p">)</span> <span class="n" style="color: #333;">bsig'</span><span class="p">)</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">vars'</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1035

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1035

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<pre style="margin: 0;"> <span id="LC1035" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="cfa41b5649933e5b12f7796e9d49b9dd6a0bc59f">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#cfa41b5649933e5b12f7796e9d49b9dd6a0bc59f"><strong>compiler/GHC/Rename/Pat.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="218" style="width: 35px; color: rgba(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="218" style="width: 35px; color: rgba(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">@@ -218,9 +218,6 @@ matchNameMaker ctxt = LamMk report_unused</td>

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<pre style="margin: 0;"> <span id="LC218" class="line" lang="haskell">                      <span class="kt" style="color: #458; font-weight: 600;">ThPatQuote</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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<td class="diff-line-num old_line" data-linenumber="219" style="width: 35px; color: rgba(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="LC219" class="line" lang="haskell">                      <span class="kr" style="font-weight: 600;">_</span>                     <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>

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<td class="diff-line-num new_line" data-linenumber="220" style="width: 35px; color: rgba(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="LC220" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="221" style="width: 35px; color: rgba(0,0,0,0.3); 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="221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC221" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigCps</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CpsRn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsSigWcType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="222" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

222

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<td class="diff-line-num new_line old" data-linenumber="221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC222" class="line" lang="haskell"><span class="n" style="color: #333;">rnHsSigCps</span> <span class="n" style="color: #333;">sig</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CpsRn</span> <span class="p">(</span><span class="n" style="color: #333;">rnHsSigWcTypeScoped</span> <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span> <span class="kt" style="color: #458; font-weight: 600;">PatCtx</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="221" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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

</pre>

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<pre style="margin: 0;"> <span id="LC221" class="line" lang="haskell"><span class="n" style="color: #333;">newPatLName</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">NameMaker</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="kt" style="color: #458; font-weight: 600;">RdrName</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CpsRn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC222" class="line" lang="haskell"><span class="n" style="color: #333;">newPatLName</span> <span class="n" style="color: #333;">name_maker</span> <span class="n" style="color: #333;">rdr_name</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;">loc</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC223" 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;">name</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newPatName</span> <span class="n" style="color: #333;">name_maker</span> <span class="n" style="color: #333;">rdr_name</span></span>

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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="407" style="width: 35px; color: rgba(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">@@ -410,9 +407,12 @@ rnPatAndThen mk (SigPat x pat sig)</td>

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<pre style="margin: 0;"> <span id="LC407" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- f ((Just (x :: a) :: Maybe a)</span></span>

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<pre style="margin: 0;"> <span id="LC408" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~^       `a' is first bound here</span></span>

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<pre style="margin: 0;"> <span id="LC409" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- ~~~~~~~~~~~~~~~^                   the same `a' then used here</span></span>

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<pre style="margin: 0;">-<span id="LC413" 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;">sig'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnHs<span class="idiff left right">SigCps</span></span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;">+<span id="LC410" 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;">sig'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnHs<span class="idiff left right">PatSigTypeAndThen</span></span> <span class="n" style="color: #333;">sig</span></span>

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<pre style="margin: 0;"> <span id="LC411" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">pat'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rnLPatAndThen</span> <span class="n" style="color: #333;">mk</span> <span class="n" style="color: #333;">pat</span></span>

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<pre style="margin: 0;"> <span id="LC412" 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;">SigPat</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">pat'</span> <span class="n" style="color: #333;">sig'</span> <span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC413" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC414" class="line" lang="haskell">    <span class="n" style="color: #333;">rnHsPatSigTypeAndThen</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CpsRn</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPatSigType</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="LC415" class="line" lang="haskell">    <span class="n" style="color: #333;">rnHsPatSigTypeAndThen</span> <span class="n" style="color: #333;">sig</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">CpsRn</span> <span class="p">(</span><span class="n" style="color: #333;">rnHsPatSigType</span> <span class="kt" style="color: #458; font-weight: 600;">AlwaysBind</span> <span class="kt" style="color: #458; font-weight: 600;">PatCtx</span> <span class="n" style="color: #333;">sig</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC416" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC417" class="line" lang="haskell"><span class="n" style="color: #333;">rnPatAndThen</span> <span class="n" style="color: #333;">mk</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LitPat</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">lit</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC418" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">HsString</span> <span class="n" style="color: #333;">src</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">lit</span></span>

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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#9355bef855426caf5f526925edf351b20f9a86c4"><strong>compiler/GHC/Tc/Gen/HsType.hs</strong></a>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -3338,7 +3338,7 @@ Result works fine, but it may eventually bite us.</td>

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<pre style="margin: 0;"> <span id="LC3338" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">********************************************************************* -}</span></span>

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<pre style="margin: 0;"> <span id="LC3339" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC3340" class="line" lang="haskell"><span class="n" style="color: #333;">tcHsPatSigType</span> <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="LC3341" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">LHsSigWc</span>Type</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span>          <span class="c1" style="color: #998; font-style: italic;">-- The type signature</span></span>

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<td class="diff-line-num new old_line" data-linenumber="3342" style="width: 35px; color: rgba(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="LC3341" class="line" lang="haskell">               <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">HsPatSig</span>Type</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span>          <span class="c1" style="color: #998; font-style: italic;">-- The type signature</span></span>

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<pre style="margin: 0;"> <span id="LC3342" 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="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TcTyVar</span><span class="p">)]</span>     <span class="c1" style="color: #998; font-style: italic;">-- Wildcards</span></span>

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<pre style="margin: 0;"> <span id="LC3343" class="line" lang="haskell">                      <span class="p">,</span> <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TcTyVar</span><span class="p">)]</span>     <span class="c1" style="color: #998; font-style: italic;">-- The new bit of type environment, binding</span></span>

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<pre style="margin: 0;"> <span id="LC3344" class="line" lang="haskell">                                              <span class="c1" style="color: #998; font-style: italic;">-- the scoped type variables</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">@@ -3349,10 +3349,9 @@ tcHsPatSigType :: UserTypeCtxt</td>

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<pre style="margin: 0;"> <span id="LC3349" 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="LC3350" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This may emit constraints</span></span>

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<pre style="margin: 0;"> <span id="LC3351" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Recipe for checking a signature]</span></span>

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<pre style="margin: 0;">-<span id="LC3352" class="line" lang="haskell"><span class="n" style="color: #333;">tcHsPatSigType</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">sig_ty</span></span>

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<pre style="margin: 0;">-<span id="LC3353" class="line" lang="haskell">  <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_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_wcs</span><span class="p">,</span>   <span class="n" style="color: #333;">hswc_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ib_ty</span> <span class="p">}</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">sig_ty</span></span>

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<pre style="margin: 0;">-<span id="LC3354" class="line" lang="haskell">  <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">HsIB</span> <span class="p">{</span> <span class="n" style="color: #333;">hsib_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_ns</span></span>

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<pre style="margin: 0;">-<span id="LC3355" class="line" lang="haskell">         <span class="p">,</span> <span class="n" style="color: #333;">hsib_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty</span> <span class="p">}</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">ib_ty</span></span>

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<pre style="margin: 0;">+<span id="LC3352" class="line" lang="haskell"><span class="n" style="color: #333;">tcHsPatSigType</span> <span class="n" style="color: #333;">ctxt</span></span>

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<pre style="margin: 0;">+<span id="LC3353" class="line" lang="haskell">  <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsPS</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_ext</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsPSRn</span> <span class="p">{</span> <span class="n" style="color: #333;">hsps_nwcs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_wcs</span><span class="p">,</span> <span class="n" style="color: #333;">hsps_imp_tvs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sig_ns</span> <span class="p">}</span></span>

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3354

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<pre style="margin: 0;">+<span id="LC3354" class="line" lang="haskell">        <span class="p">,</span> <span class="n" style="color: #333;">hsps_body</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">hs_ty</span> <span class="p">})</span></span>

</pre>

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3356

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3355

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<pre style="margin: 0;"> <span id="LC3355" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">addSigCtxt</span> <span class="n" style="color: #333;">ctxt</span> <span class="n" style="color: #333;">hs_ty</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3357" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3357

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<td class="diff-line-num new_line" data-linenumber="3356" style="width: 35px; color: rgba(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="LC3356" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">sig_tkv_prs</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;">new_implicit_tv</span> <span class="n" style="color: #333;">sig_ns</span></span>

</pre>

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3358

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<pre style="margin: 0;"> <span id="LC3357" class="line" lang="haskell">       <span class="p">;</span> <span class="p">(</span><span class="n" style="color: #333;">wcs</span><span class="p">,</span> <span class="n" style="color: #333;">sig_ty</span><span class="p">)</span></span>

</pre>

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</li>

<li id="3ee8be814b6c6727880deab3772e6af922524bf0">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#3ee8be814b6c6727880deab3772e6af922524bf0"><strong>compiler/GHC/Tc/Gen/Pat.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="690" style="width: 35px; color: rgba(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="690" style="width: 35px; color: rgba(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">@@ -690,7 +690,7 @@ because they won't be in scope when we do the desugaring</td>

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<pre style="margin: 0;"> <span id="LC690" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>

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<pre style="margin: 0;"> <span id="LC691" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="692" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC692" class="line" lang="haskell"><span class="n" style="color: #333;">tcPatSig</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span>                    <span class="c1" style="color: #998; font-style: italic;">-- True <=> pattern binding</span></span>

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<td class="diff-line-num new_line old" data-linenumber="693" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC693" class="line" lang="haskell">         <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">LHsSigWc</span>Type</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC693" class="line" lang="haskell">         <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left right">HsPatSig</span>Type</span> <span class="kt" style="color: #458; font-weight: 600;">GhcRn</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC694" class="line" lang="haskell">         <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ExpSigmaType</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="695" style="width: 35px; color: rgba(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="695" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

695

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<pre style="margin: 0;"> <span id="LC695" 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;">TcType</span><span class="p">,</span>            <span class="c1" style="color: #998; font-style: italic;">-- The type to use for "inside" the signature</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="696" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

696

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<pre style="margin: 0;"> <span id="LC696" class="line" lang="haskell">                 <span class="p">[(</span><span class="kt" style="color: #458; font-weight: 600;">Name</span><span class="p">,</span><span class="kt" style="color: #458; font-weight: 600;">TcTyVar</span><span class="p">)],</span>  <span class="c1" style="color: #998; font-style: italic;">-- The new bit of type environment, binding</span></span>

</pre>

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<br>

</li>

<li id="2eac51f9871ca0c0698aa1fc7f79c05ef8fc4a49">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#2eac51f9871ca0c0698aa1fc7f79c05ef8fc4a49"><strong>compiler/GHC/ThToHs.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="830" style="width: 35px; color: rgba(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="830" style="width: 35px; color: rgba(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">@@ -830,7 +830,7 @@ cvtRuleBndr (RuleVar n)</td>

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830

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830

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<pre style="margin: 0;"> <span id="LC830" class="line" lang="haskell"><span class="n" style="color: #333;">cvtRuleBndr</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TypedRuleVar</span> <span class="n" style="color: #333;">n</span> <span class="n" style="color: #333;">ty</span><span class="p">)</span></span>

</pre>

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831

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831

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<pre style="margin: 0;"> <span id="LC831" 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;">n'</span>  <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">vNameL</span> <span class="n" style="color: #333;">n</span></span>

</pre>

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832

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832

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<pre style="margin: 0;"> <span id="LC832" class="line" lang="haskell">       <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;">cvtType</span> <span class="n" style="color: #333;">ty</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

833

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<td class="diff-line-num new_line old" data-linenumber="833" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC833" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</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;">Hs</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">n'</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mk<span class="idiff left right">LHsSigWc</span>Type</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 old_line" data-linenumber="834" style="width: 35px; color: rgba(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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833

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<pre style="margin: 0;">+<span id="LC833" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</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;">Hs</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">RuleBndrSig</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">n'</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mk<span class="idiff left right">HsPatSig</span>Type</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_line" data-linenumber="834" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

834

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834

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<pre style="margin: 0;"> <span id="LC834" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<td class="diff-line-num new_line" data-linenumber="835" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

835

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<pre style="margin: 0;"> <span id="LC835" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">---------------------------------------------------</span></span>

</pre>

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836

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836

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<pre style="margin: 0;"> <span id="LC836" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--              Declarations</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1307" style="width: 35px; color: rgba(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="1307" style="width: 35px; color: rgba(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">@@ -1307,7 +1307,7 @@ cvtp (ListP ps)        = do { ps' <- cvtPats ps</td>

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1307

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1307

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<pre style="margin: 0;"> <span id="LC1307" class="line" lang="haskell">                            <span class="p">;</span> <span class="n" style="color: #333;">return</span></span>

</pre>

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1308

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<pre style="margin: 0;"> <span id="LC1308" class="line" lang="haskell">                                   <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">ListPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">ps'</span><span class="p">}</span></span>

</pre>

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1309

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<pre style="margin: 0;"> <span id="LC1309" class="line" lang="haskell"><span class="n" style="color: #333;">cvtp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SigP</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">t</span><span class="p">)</span>        <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">p'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cvtPat</span> <span class="n" style="color: #333;">p</span><span class="p">;</span> <span class="n" style="color: #333;">t'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cvtType</span> <span class="n" style="color: #333;">t</span></span>

</pre>

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1310

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<pre style="margin: 0;">-<span id="LC1310" class="line" lang="haskell">                            <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">SigPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">p'</span> <span class="p">(</span><span class="n" style="color: #333;">mk<span class="idiff left right">LHsSigWc</span>Type</span> <span class="n" style="color: #333;">t'</span><span class="p">)</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC1310" class="line" lang="haskell">                            <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">SigPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">p'</span> <span class="p">(</span><span class="n" style="color: #333;">mk<span class="idiff left right">HsPatSig</span>Type</span> <span class="n" style="color: #333;">t'</span><span class="p">)</span> <span class="p">}</span></span>

</pre>

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1311

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1311

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<pre style="margin: 0;"> <span id="LC1311" class="line" lang="haskell"><span class="n" style="color: #333;">cvtp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ViewP</span> <span class="n" style="color: #333;">e</span> <span class="n" style="color: #333;">p</span><span class="p">)</span>       <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">e'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cvtl</span> <span class="n" style="color: #333;">e</span><span class="p">;</span> <span class="n" style="color: #333;">p'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cvtPat</span> <span class="n" style="color: #333;">p</span></span>

</pre>

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1312

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<pre style="margin: 0;"> <span id="LC1312" class="line" lang="haskell">                            <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">ViewPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">e'</span> <span class="n" style="color: #333;">p'</span><span class="p">}</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC1313" class="line" lang="haskell"></span>

</pre>

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<br>

</li>

<li id="62a9ebd99858aa7fc936319bea9fdd9a6954ba63">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de54a0994e83f4f7ddaa8e9a0ae7510e99c153d2#62a9ebd99858aa7fc936319bea9fdd9a6954ba63"><strong>testsuite/tests/hiefile/should_compile/hie007.hs</strong></a>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -64,3 +64,6 @@ thud f x =</td>

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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell">    <span class="p">(</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">y</span><span class="p">)</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC65" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell">    <span class="n" style="color: #333;">y</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC67" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC68" class="line" lang="haskell"><span class="n" style="color: #333;">rankn</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">a1</span><span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">a1</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a2</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC69" class="line" lang="haskell"><span class="n" style="color: #333;">rankn</span> <span class="p">(</span><span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">a1</span><span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">a1</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">g</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">b</span></span></pre>

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