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<h3>

Matthías Páll Gissurarson pushed to branch wip/D5373

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/3559a11ee39a76b65755ba8bffd821cba776019b">3559a11e</a></strong>

<div>

<span>by Matthías Páll Gissurarson</span>

<i>at 2019-06-06T16:26:13Z</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add TcHoleFitTypes and address issues

</pre>

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<h4>9 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#0f33fd88c617246c7f89c4477d2d1d24f942df23">

compiler/ghc.cabal.in

</a>

</li>

<li class="file-stats">

<a href="#ed117b47cc497e4290f21ffbdbc53412f90dd6c5">

compiler/main/Plugins.hs

</a>

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<li class="file-stats">

<a href="#39f28d5dc8c176ea580515ffbadb8250289f1b7d">

compiler/typecheck/TcHoleErrors.hs

</a>

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<li class="file-stats">

<a href="#da17f778b2f7c2403a0a98b8c386e19e02d0190c">

<span class="new-file">

+

compiler/typecheck/TcHoleFitTypes.hs

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<li class="file-stats">

<a href="#5d6b948288924e9488b98a75714a596e04286090">

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+

compiler/typecheck/TcHoleFitTypes.hs-boot

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<a href="#2799ba786adc98d485fad6003334b913a0069bdc">

compiler/typecheck/TcRnDriver.hs

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<li class="file-stats">

<a href="#d2ddf5ce2d076f8584d9825af8ea0d7ea0a38813">

compiler/typecheck/TcRnTypes.hs

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<li class="file-stats">

<a href="#616606d7ec92f17c847240a7bc125e1d8c9c00a1">

docs/users_guide/extending_ghc.rst

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<li class="file-stats">

<a href="#57693ae880b4d4609bd2d8f0fb6f13038ffa4938">

testsuite/tests/plugins/hole-fit-plugin/HoleFitPlugin.hs

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<h4>Changes:</h4>

<li id="0f33fd88c617246c7f89c4477d2d1d24f942df23">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#0f33fd88c617246c7f89c4477d2d1d24f942df23"><strong>compiler/ghc.cabal.in</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="504" style="width: 35px; color: rgba(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="504" style="width: 35px; color: rgba(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">@@ -504,6 +504,7 @@ Library</td>

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<pre style="margin: 0;"> <span id="LC504" class="line" lang="plaintext">        TcRules</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="505" style="width: 35px; color: rgba(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="LC505" class="line" lang="plaintext">        TcSimplify</span>

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<td class="diff-line-num old_line" data-linenumber="506" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

506

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<td class="diff-line-num new_line" data-linenumber="506" style="width: 35px; color: rgba(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="LC506" class="line" lang="plaintext">        TcHoleErrors</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="507" style="width: 35px; color: rgba(0,0,0,0.3); 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="507" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC507" class="line" lang="plaintext">        TcHoleFitTypes</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="507" style="width: 35px; color: rgba(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="508" style="width: 35px; color: rgba(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="LC508" class="line" lang="plaintext">        TcErrors</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="508" style="width: 35px; color: rgba(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="509" style="width: 35px; color: rgba(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="LC509" class="line" lang="plaintext">        TcTyClsDecls</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="509" style="width: 35px; color: rgba(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="510" style="width: 35px; color: rgba(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="LC510" class="line" lang="plaintext">        TcTyDecls</span>

</pre>

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<br>

</li>

<li id="ed117b47cc497e4290f21ffbdbc53412f90dd6c5">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#ed117b47cc497e4290f21ffbdbc53412f90dd6c5"><strong>compiler/main/Plugins.hs</strong></a>

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

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

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -30,6 +30,10 @@ module Plugins (</td>

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<pre style="margin: 0;"> <span id="LC30" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- - access to loaded interface files with 'interfaceLoadAction'</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC31" 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="LC32" class="line" lang="haskell">    <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">keepRenamedSource</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC33" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- ** Hole fit plugins</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="34" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC34" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- | hole fit plugins allow plugins to change the behavior of valid hole</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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

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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- fit suggestions</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="33" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell">    <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span></span>

</pre>

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

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<pre style="margin: 0;"> <span id="LC37" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- * Internal</span></span>

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<td class="diff-line-num new_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell">    <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">PluginWithArgs</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;">plugins</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pluginRecompile'</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -42,8 +46,8 @@ import GhcPrelude</td>

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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">{-#</span> <span class="nn" style="color: #555;">SOURCE</span> <span class="o" style="font-weight: 600;">#-</span><span class="p">}</span> <span class="kt" style="color: #458; font-weight: 600;">CoreMonad</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">CoreToDo</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CoreM</span> <span class="p">)</span></span>

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

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<td class="diff-line-num new_line old" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">TcRnTypes</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">IfM</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tcg_rn_decls</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tcg_rn_exports</span></span>

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<td class="diff-line-num old old_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC46" class="line" lang="haskell"><span class="idiff left">                 </span><span class="p"><span class="idiff right">,</span></span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">TcRnTypes</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">TcGblEnv</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">IfM</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tcg_rn_decls</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">tcg_rn_exports</span><span class="idiff left">  </span><span class="p"><span class="idiff right">)</span></span></span>

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<td class="diff-line-num new old_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;"><span class="idiff left">import</span></span><span class="idiff"> </span><span class="nn" style="color: #555;"><span class="idiff">TcHoleFitTypes</span></span><span class="idiff"> </span><span class="p"><span class="idiff right">(</span></span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span> <span class="p">)</span></span>

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<td class="diff-line-num 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">

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

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<td class="diff-line-num new_line" data-linenumber="52" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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

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

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="173" style="width: 35px; color: rgba(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="177" style="width: 35px; color: rgba(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">@@ -173,7 +177,7 @@ instance Monoid PluginRecompile where</td>

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<pre style="margin: 0;"> <span id="LC177" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC178" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">CorePlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CommandLineOption</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;">CoreToDo</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">CoreM</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CoreToDo</span><span class="p">]</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC179" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">TcPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CommandLineOption</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">TcRnTypes</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">TcPlugin</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC176" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CommandLineOption</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">TcRnTypes</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">.</span></span><span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="177" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC180" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CommandLineOption</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span></span>

</pre>

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177

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181

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<pre style="margin: 0;"> <span id="LC181" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="178" style="width: 35px; color: rgba(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="LC182" class="line" lang="haskell"><span class="n" style="color: #333;">purePlugin</span><span class="p">,</span> <span class="n" style="color: #333;">impurePlugin</span><span class="p">,</span> <span class="n" style="color: #333;">flagRecompile</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">CommandLineOption</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="kt" style="color: #458; font-weight: 600;">PluginRecompile</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="179" style="width: 35px; color: rgba(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="183" style="width: 35px; color: rgba(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="LC183" class="line" lang="haskell"><span class="n" style="color: #333;">purePlugin</span> <span class="n" style="color: #333;">_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="kt" style="color: #458; font-weight: 600;">NoForceRecompile</span></span>

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<br>

</li>

<li id="39f28d5dc8c176ea580515ffbadb8250289f1b7d">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#39f28d5dc8c176ea580515ffbadb8250289f1b7d"><strong>compiler/typecheck/TcHoleErrors.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -8,7 +8,7 @@ module TcHoleErrors ( findValidHoleFits, tcFilterHoleFits</td>

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<pre style="margin: 0;"> <span id="LC8" class="line" lang="haskell">                    <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">hfIsLcl</span></span>

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<td class="diff-line-num old_line" data-linenumber="9" style="width: 35px; color: rgba(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="9" style="width: 35px; color: rgba(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="LC9" class="line" lang="haskell">                    <span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pprHoleFit</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">debugHoleFitDispConfig</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC10" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC11" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- Re-exported from Tc<span class="idiff left right">Rn</span>Types</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- Re-exported from Tc<span class="idiff left right">HoleFit</span>Types</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="12" style="width: 35px; color: rgba(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="LC12" class="line" lang="haskell">                    <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</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;">HoleFit</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;">HoleFitCandidate</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="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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<td class="diff-line-num 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">

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<pre style="margin: 0;"> <span id="LC13" class="line" lang="haskell">                    <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC14" class="line" lang="haskell">                    <span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</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;">HoleFitPluginR</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 unfold js-unfold old_line" data-linenumber="56" style="width: 35px; color: rgba(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="56" style="width: 35px; color: rgba(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">@@ -56,6 +56,9 @@ import LoadIface       ( loadInterfaceForNameMaybe )</td>

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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC57" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">PrelInfo</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">knownKeyNames</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC58" class="line" lang="haskell"></span>

</pre>

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

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<pre style="margin: 0;">+<span id="LC60" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC61" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC62" 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="LC63" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Valid hole fits include ...]</span></span>

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<pre style="margin: 0;"> <span id="LC64" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="430" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -430,13 +433,6 @@ getSortingAlg =</td>

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<pre style="margin: 0;"> <span id="LC433" class="line" lang="haskell">                              <span class="kr" style="font-weight: 600;">then</span> <span class="kt" style="color: #458; font-weight: 600;">BySize</span></span>

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<pre style="margin: 0;"> <span id="LC434" class="line" lang="haskell">                              <span class="kr" style="font-weight: 600;">else</span> <span class="kt" style="color: #458; font-weight: 600;">NoSorting</span> <span class="p">}</span></span>

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<pre style="margin: 0;"> <span id="LC435" class="line" lang="haskell"></span>

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<pre style="margin: 0;">-<span id="LC433" class="line" lang="haskell"><span class="n" style="color: #333;">hfIsLcl</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>

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<pre style="margin: 0;">-<span id="LC434" class="line" lang="haskell"><span class="n" style="color: #333;">hfIsLcl</span> <span class="n" style="color: #333;">hf</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">hfCand</span> <span class="n" style="color: #333;">hf</span> <span class="kr" style="font-weight: 600;">of</span></span>

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<pre style="margin: 0;">-<span id="LC435" class="line" lang="haskell">                            <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="kr" style="font-weight: 600;">_</span>    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>

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<pre style="margin: 0;">-<span id="LC436" class="line" lang="haskell">                            <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="kr" style="font-weight: 600;">_</span>  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>

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<pre style="margin: 0;">-<span id="LC437" class="line" lang="haskell">                            <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">gre</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">gre_lcl</span> <span class="n" style="color: #333;">gre</span></span>

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<pre style="margin: 0;">-<span id="LC438" class="line" lang="haskell"><span class="n" style="color: #333;">hfIsLcl</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>

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<pre style="margin: 0;">-<span id="LC439" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC436" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- If enabled, we go through the fits and add any associated documentation,</span></span>

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<pre style="margin: 0;"> <span id="LC437" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- by looking it up in the module or the environment (for local fits)</span></span>

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<pre style="margin: 0;"> <span id="LC438" class="line" lang="haskell"><span class="n" style="color: #333;">addDocs</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="893" style="width: 35px; color: rgba(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="889" style="width: 35px; color: rgba(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">@@ -893,7 +889,7 @@ tcFilterHoleFits limit (TyH {..}) ht@(hole_ty, _) candidates =</td>

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<td class="diff-line-num old_line" data-linenumber="893" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

893

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<td class="diff-line-num new_line" data-linenumber="889" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

889

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<pre style="margin: 0;"> <span id="LC889" class="line" lang="haskell">                          <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">return</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="894" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

894

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<td class="diff-line-num new_line" data-linenumber="890" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

890

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<pre style="margin: 0;"> <span id="LC890" class="line" lang="haskell">           <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">return</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="895" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

895

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<td class="diff-line-num new_line" data-linenumber="891" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

891

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<pre style="margin: 0;"> <span id="LC891" class="line" lang="haskell">     <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">fvs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkFVs</span> <span class="n" style="color: #333;">ref_vars</span> <span class="p">`</span><span class="n" style="color: #333;">unionFV</span><span class="p">`</span> <span class="n" style="color: #333;">hole_fvs</span> <span class="p">`</span><span class="n" style="color: #333;">unionFV</span><span class="p">`</span> <span class="n" style="color: #333;">tyCoFVsOfType</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="896" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

896

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<td class="diff-line-num new_line old" data-linenumber="892" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC896" class="line" lang="haskell">           <span class="n" style="color: #333;">hole</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyH</span> <span class="n" style="color: #333;"><span class="idiff left">relevantCts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">i</span>mplics</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="897" style="width: 35px; color: rgba(0,0,0,0.3); 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="892" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

892

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<pre style="margin: 0;">+<span id="LC892" class="line" lang="haskell">           <span class="n" style="color: #333;">hole</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyH</span> <span class="n" style="color: #333;"><span class="idiff left">tyHRelevantCts</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tyHI</span>mplics</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="897" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

897

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<td class="diff-line-num new_line" data-linenumber="893" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

893

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<pre style="margin: 0;"> <span id="LC893" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="898" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

898

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<td class="diff-line-num new_line" data-linenumber="894" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

894

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<pre style="margin: 0;"> <span id="LC894" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="899" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

899

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<td class="diff-line-num new_line" data-linenumber="895" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

895

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<pre style="margin: 0;"> <span id="LC895" class="line" lang="haskell"><span class="n" style="color: #333;">subsDiscardMsg</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 unfold js-unfold old_line" data-linenumber="954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="950" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -954,7 +950,7 @@ tcCheckHoleFit (TyH {..}) hole_ty ty = discardErrs $</td>

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<td class="diff-line-num old_line" data-linenumber="954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

954

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<td class="diff-line-num new_line" data-linenumber="950" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

950

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<pre style="margin: 0;"> <span id="LC950" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- the innermost (the one with the highest level) is first, so it</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="955" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

955

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<td class="diff-line-num new_line" data-linenumber="951" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

951

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<pre style="margin: 0;"> <span id="LC951" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- suffices to get the level of the first one (or the current level, if</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

956

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<td class="diff-line-num new_line" data-linenumber="952" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

952

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<pre style="margin: 0;"> <span id="LC952" class="line" lang="haskell">       <span class="c1" style="color: #998; font-style: italic;">-- there are no implications involved).</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="957" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

957

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<td class="diff-line-num new_line old" data-linenumber="953" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC957" class="line" lang="haskell">       <span class="n" style="color: #333;">innermost_lvl</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;"><span class="idiff left right">i</span>mplics</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="958" style="width: 35px; color: rgba(0,0,0,0.3); 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="953" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

953

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<pre style="margin: 0;">+<span id="LC953" class="line" lang="haskell">       <span class="n" style="color: #333;">innermost_lvl</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;"><span class="idiff left right">tyHI</span>mplics</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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

958

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<td class="diff-line-num new_line" data-linenumber="954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

954

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<pre style="margin: 0;"> <span id="LC954" class="line" lang="haskell">                          <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">getTcLevel</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="955" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

955

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<pre style="margin: 0;"> <span id="LC955" class="line" lang="haskell">                          <span class="c1" style="color: #998; font-style: italic;">-- imp is the innermost implication</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="956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

956

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<pre style="margin: 0;"> <span id="LC956" class="line" lang="haskell">                          <span class="p">(</span><span class="n" style="color: #333;">imp</span><span class="o" style="font-weight: 600;">:</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">ic_tclvl</span> <span class="n" style="color: #333;">imp</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">@@ -962,15 +958,15 @@ tcCheckHoleFit (TyH {..}) hole_ty ty = discardErrs $</td>

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<pre style="margin: 0;"> <span id="LC958" class="line" lang="haskell">                          <span class="n" style="color: #333;">tcSubType_NC</span> <span class="kt" style="color: #458; font-weight: 600;">ExprSigCtxt</span> <span class="n" style="color: #333;">ty</span> <span class="n" style="color: #333;">hole_ty</span></span>

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<pre style="margin: 0;"> <span id="LC959" class="line" lang="haskell">     <span class="p">;</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"Checking hole fit {"</span> <span class="n" style="color: #333;">empty</span></span>

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<pre style="margin: 0;"> <span id="LC960" class="line" lang="haskell">     <span class="p">;</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"wanteds are: "</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">wanted</span></span>

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<pre style="margin: 0;">-<span id="LC965" class="line" lang="haskell">     <span class="p">;</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">isEmptyWC</span> <span class="n" style="color: #333;">wanted</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">isEmptyBag</span> <span class="n" style="color: #333;"><span class="idiff left right">r</span>elevantCts</span></span>

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<pre style="margin: 0;">+<span id="LC961" class="line" lang="haskell">     <span class="p">;</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">isEmptyWC</span> <span class="n" style="color: #333;">wanted</span> <span class="o" style="font-weight: 600;">&&</span> <span class="n" style="color: #333;">isEmptyBag</span> <span class="n" style="color: #333;"><span class="idiff left right">tyHR</span>elevantCts</span></span>

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<pre style="margin: 0;"> <span id="LC962" class="line" lang="haskell">       <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"}"</span> <span class="n" style="color: #333;">empty</span> <span class="o" style="font-weight: 600;">>></span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">True</span><span class="p">,</span> <span class="n" style="color: #333;">wrp</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC963" class="line" lang="haskell">       <span class="kr" style="font-weight: 600;">else</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">fresh_binds</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newTcEvBinds</span></span>

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<pre style="margin: 0;"> <span id="LC964" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- The relevant constraints may contain HoleDests, so we must</span></span>

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<pre style="margin: 0;"> <span id="LC965" class="line" lang="haskell">                <span class="c1" style="color: #998; font-style: italic;">-- take care to clone them as well (to avoid #15370).</span></span>

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<pre style="margin: 0;">-<span id="LC970" class="line" lang="haskell">               <span class="p">;</span> <span class="n" style="color: #333;">cloned_relevants</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapBagM</span> <span class="n" style="color: #333;">cloneWanted</span> <span class="n" style="color: #333;"><span class="idiff left right">r</span>elevantCts</span></span>

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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;">cloned_relevants</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mapBagM</span> <span class="n" style="color: #333;">cloneWanted</span> <span class="n" style="color: #333;"><span class="idiff left right">tyHR</span>elevantCts</span></span>

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971

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<pre style="margin: 0;"> <span id="LC967" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- We wrap the WC in the nested implications, see</span></span>

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972

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<pre style="margin: 0;"> <span id="LC968" class="line" lang="haskell">                 <span class="c1" style="color: #998; font-style: italic;">-- Note [Nested Implications]</span></span>

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973

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<pre style="margin: 0;">-<span id="LC973" class="line" lang="haskell">               <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">outermost_first</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;"><span class="idiff left right">i</span>mplics</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC969" class="line" lang="haskell">               <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">outermost_first</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;"><span class="idiff left right">tyHI</span>mplics</span></span>

</pre>

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974

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<pre style="margin: 0;"> <span id="LC970" class="line" lang="haskell">                     <span class="n" style="color: #333;">setWC</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">setWCAndBinds</span> <span class="n" style="color: #333;">fresh_binds</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC971" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- We add the cloned relevants to the wanteds generated by</span></span>

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<pre style="margin: 0;"> <span id="LC972" class="line" lang="haskell">                    <span class="c1" style="color: #998; font-style: italic;">-- the call to tcSubType_NC, see Note [Relevant Constraints]</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="994" style="width: 35px; color: rgba(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">@@ -998,5 +994,5 @@ tcCheckHoleFit (TyH {..}) hole_ty ty = discardErrs $</td>

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<pre style="margin: 0;"> <span id="LC994" class="line" lang="haskell"><span class="n" style="color: #333;">fromPureHFPlugin</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC995" class="line" lang="haskell"><span class="n" style="color: #333;">fromPureHFPlugin</span> <span class="n" style="color: #333;">plug</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;"> <span id="LC996" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span> <span class="p">{</span> <span class="n" style="color: #333;">hfPluginInit</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">newTcRef</span> <span class="nb" style="color: #0086b3;">()</span></span>

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<pre style="margin: 0;">-<span id="LC1001" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">h<span class="idiff left right">oleFitPluginR</span></span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">const</span> <span class="n" style="color: #333;">plug</span></span>

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<pre style="margin: 0;">+<span id="LC997" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">h<span class="idiff left right">fPluginRun</span></span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">const</span> <span class="n" style="color: #333;">plug</span></span>

</pre>

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1002

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<pre style="margin: 0;"> <span id="LC998" class="line" lang="haskell">                 <span class="p">,</span> <span class="n" style="color: #333;">hfPluginStop</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">const</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">return</span> <span class="nb" style="color: #0086b3;">()</span> <span class="p">}</span></span></pre>

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<br>

</li>

<li id="da17f778b2f7c2403a0a98b8c386e19e02d0190c">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#da17f778b2f7c2403a0a98b8c386e19e02d0190c"><strong>compiler/typecheck/TcHoleFitTypes.hs</strong></a>

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ExistentialQuantification #-}</span></span>

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2

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">module</span> <span class="nn" style="color: #555;">TcHoleFitTypes</span> <span class="p">(</span></span>

</pre>

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3

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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">TypedHole</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;">HoleFit</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;">HoleFitCandidate</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

</pre>

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4

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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</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;">HoleFitPluginR</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="LC5" class="line" lang="haskell">  <span class="nf" style="color: #900; font-weight: 600;">hfIsLcl</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">pprHoleFitCand</span></span>

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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell">  <span class="p">)</span> <span class="kr" style="font-weight: 600;">where</span></span>

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7

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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"></span>

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8

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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GhcPrelude</span></span>

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<td class="diff-line-num new new_line" data-linenumber="9" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

9

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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"></span>

</pre>

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10

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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">TcRnTypes</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="11" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

11

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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">TcType</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="12" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

12

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

<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="13" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

13

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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">RdrName</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="14" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

14

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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"></span>

</pre>

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15

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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">HsDoc</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="16" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

16

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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Id</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

17

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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"></span>

</pre>

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18

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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Outputable</span></span>

</pre>

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19

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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Name</span></span>

</pre>

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20

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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"></span>

</pre>

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21

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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Function</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">on</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="22" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

22

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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyH</span> <span class="p">{</span> <span class="n" style="color: #333;">tyHRelevantCts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Cts</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- ^ Any relevant Cts to the hole</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="25" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

25

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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">tyHImplics</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Implication</span><span class="p">]</span></span>

</pre>

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

26

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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- ^ The nested implications of the hole with the</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">--   innermost implication first.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">tyHCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">Ct</span></span>

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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- ^ The hole constraint itself, if available.</span></span>

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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell">                     <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC33" 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;">TyH</span> <span class="n" style="color: #333;">rels</span> <span class="n" style="color: #333;">implics</span> <span class="n" style="color: #333;">ct</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC34" 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;">"TypedHole"</span><span class="p">)</span> <span class="mi" style="color: #099;">2</span></span>

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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell">        <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">rels</span> <span class="o" style="font-weight: 600;">$+$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">implics</span> <span class="o" style="font-weight: 600;">$+$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ct</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell"><span class="cd">-- | HoleFitCandidates are passed to hole fit plugins and then</span></span>

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<pre style="margin: 0;">+<span id="LC39" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- checked whether they fit a given typed-hole.</span></span>

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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span>             <span class="c1" style="color: #998; font-style: italic;">-- An id, like locals.</span></span>

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<pre style="margin: 0;">+<span id="LC41" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span>         <span class="c1" style="color: #998; font-style: italic;">-- A name, like built-in syntax.</span></span>

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<pre style="margin: 0;">+<span id="LC42" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="kt" style="color: #458; font-weight: 600;">GlobalRdrElt</span>  <span class="c1" style="color: #998; font-style: italic;">-- A global, like imported ids.</span></span>

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<pre style="margin: 0;">+<span id="LC43" class="line" lang="haskell">                      <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Eq</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC44" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC45" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC46" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprHoleFitCand</span></span>

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<pre style="margin: 0;">+<span id="LC47" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="48" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC48" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</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 new_line" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="n" style="color: #333;">cid</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Id HFC: "</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">cid</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="50" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC50" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="n" style="color: #333;">cname</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Name HFC: "</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">cname</span></span>

</pre>

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

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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">cgre</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Gre HFC: "</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">cgre</span></span>

</pre>

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

</pre>

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<pre style="margin: 0;">+<span id="LC53" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC54" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC55" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC56" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">NamedThing</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="57" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC57" class="line" lang="haskell">  <span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">hfc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">hfc</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="58" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC58" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="n" style="color: #333;">cid</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">idName</span> <span class="n" style="color: #333;">cid</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="59" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC59" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="n" style="color: #333;">cname</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">cname</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC60" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">cgre</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">gre_name</span> <span class="n" style="color: #333;">cgre</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="61" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC61" class="line" lang="haskell">  <span class="n" style="color: #333;">getOccName</span> <span class="n" style="color: #333;">hfc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">hfc</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC62" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="n" style="color: #333;">cid</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">occName</span> <span class="n" style="color: #333;">cid</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC63" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="n" style="color: #333;">cname</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">occName</span> <span class="n" style="color: #333;">cname</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC64" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">cgre</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">occName</span> <span class="p">(</span><span class="n" style="color: #333;">gre_name</span> <span class="n" style="color: #333;">cgre</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC65" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC66" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasOccName</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC67" class="line" lang="haskell">  <span class="n" style="color: #333;">occName</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getOccName</span></span>

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<pre style="margin: 0;">+<span id="LC68" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC69" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC70" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">compare</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="n" style="color: #333;">getName</span></span>

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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="cd">-- | HoleFit is the type we use for valid hole fits. It contains the</span></span>

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<pre style="margin: 0;">+<span id="LC73" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- element that was checked, the Id of that element as found by `tcLookup`,</span></span>

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<pre style="margin: 0;">+<span id="LC74" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- and the refinement level of the fit, which is the number of extra argument</span></span>

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<pre style="margin: 0;">+<span id="LC75" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- holes that this fit uses (e.g. if hfRefLvl is 2, the fit is for `Id _ _`).</span></span>

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<pre style="margin: 0;">+<span id="LC76" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;">+<span id="LC77" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{</span> <span class="n" style="color: #333;">hfId</span>   <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span>       <span class="c1" style="color: #998; font-style: italic;">-- ^ The elements id in the TcM</span></span>

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<pre style="margin: 0;">+<span id="LC78" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfCand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ The candidate that was checked.</span></span>

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<pre style="margin: 0;">+<span id="LC79" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ The type of the id, possibly zonked.</span></span>

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<pre style="margin: 0;">+<span id="LC80" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfRefLvl</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ The number of holes in this fit.</span></span>

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<pre style="margin: 0;">+<span id="LC81" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfWrap</span> <span class="o" style="font-weight: 600;">::</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 wrapper for the match.</span></span>

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<pre style="margin: 0;">+<span id="LC82" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfMatches</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TcType</span><span class="p">]</span></span>

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<pre style="margin: 0;">+<span id="LC83" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- ^ What the refinement variables got matched with, if anything</span></span>

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<pre style="margin: 0;">+<span id="LC84" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfDoc</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">HsDocString</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;">-- ^ Documentation of this HoleFit, if available.</span></span>

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

</pre>

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<pre style="margin: 0;">+<span id="LC87" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>

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<pre style="margin: 0;">+<span id="LC88" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ^ A fit that is just displayed as is. Here so thatHoleFitPlugins</span></span>

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<pre style="margin: 0;">+<span id="LC89" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">--   can inject any fit they want.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC90" class="line" lang="haskell"></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;">-- We define an Eq and Ord instance to be able to build a graph.</span></span>

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<pre style="margin: 0;">+<span id="LC92" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC93" class="line" lang="haskell">   <span class="p">(</span><span class="o" style="font-weight: 600;">==</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="o" style="font-weight: 600;">==</span><span class="p">)</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="n" style="color: #333;">hfId</span></span>

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<pre style="margin: 0;">+<span id="LC94" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC95" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC96" 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;">RawHoleFit</span> <span class="n" style="color: #333;">sd</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sd</span></span>

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<td class="diff-line-num new new_line" data-linenumber="97" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC97" 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;">HoleFit</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">cand</span> <span class="n" style="color: #333;">ty</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">mtchs</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span></span>

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<td class="diff-line-num new new_line" data-linenumber="98" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC98" class="line" lang="haskell">    <span class="n" style="color: #333;">hang</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;">holes</span><span class="p">)</span> <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;">"where"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</span> <span class="o" style="font-weight: 600;"><+></span> <span class="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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<pre style="margin: 0;">+<span id="LC99" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">cand</span></span>

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100

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<pre style="margin: 0;">+<span id="LC100" class="line" lang="haskell">          <span class="n" style="color: #333;">holes</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sep</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">parens</span> <span class="o" style="font-weight: 600;">.</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"_"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</span> <span class="o" style="font-weight: 600;"><+></span><span class="p">)</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">ppr</span><span class="p">)</span> <span class="n" style="color: #333;">mtchs</span></span>

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101

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<pre style="margin: 0;">+<span id="LC101" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC102" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We compare HoleFits by their name instead of their Id, since we don't</span></span>

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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;">-- want our tests to be affected by the non-determinism of `nonDetCmpVar`,</span></span>

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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- which is used to compare Ids. When comparing, we want HoleFits with a lower</span></span>

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<pre style="margin: 0;">+<span id="LC105" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- refinement level to come first.</span></span>

</pre>

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106

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<pre style="margin: 0;">+<span id="LC106" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC107" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</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;">EQ</span></span>

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<pre style="margin: 0;">+<span id="LC108" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LT</span></span>

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109

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<pre style="margin: 0;">+<span id="LC109" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</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;">GT</span></span>

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<pre style="margin: 0;">+<span id="LC110" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{})</span> <span class="n" style="color: #333;">b</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmp</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC111" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">cmp</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">hfRefLvl</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">hfRefLvl</span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC112" class="line" lang="haskell">                 <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">compare</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="p">(</span><span class="n" style="color: #333;">getName</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">hfCand</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC113" class="line" lang="haskell">                 <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">compare</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="n" style="color: #333;">hfRefLvl</span></span>

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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC115" class="line" lang="haskell"><span class="n" style="color: #333;">hfIsLcl</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span></span>

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<pre style="margin: 0;">+<span id="LC116" class="line" lang="haskell"><span class="n" style="color: #333;">hfIsLcl</span> <span class="n" style="color: #333;">hf</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">hfCand</span> <span class="n" style="color: #333;">hf</span> <span class="kr" style="font-weight: 600;">of</span></span>

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<pre style="margin: 0;">+<span id="LC117" class="line" lang="haskell">                            <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="kr" style="font-weight: 600;">_</span>    <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">True</span></span>

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<pre style="margin: 0;">+<span id="LC118" class="line" lang="haskell">                            <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="kr" style="font-weight: 600;">_</span>  <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>

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<pre style="margin: 0;">+<span id="LC119" class="line" lang="haskell">                            <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">gre</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">gre_lcl</span> <span class="n" style="color: #333;">gre</span></span>

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<pre style="margin: 0;">+<span id="LC120" class="line" lang="haskell"><span class="n" style="color: #333;">hfIsLcl</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">False</span></span>

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<pre style="margin: 0;">+<span id="LC121" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC122" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC123" class="line" lang="haskell"><span class="cd">-- | A plugin for modifying the candidate hole fits *before* they're checked.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC124" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span><span class="p">]</span></span>

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

</pre>

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<pre style="margin: 0;">+<span id="LC126" class="line" lang="haskell"><span class="cd">-- | A plugin for modifying hole fits  *after* they've been found.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC127" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span> <span class="o" style="font-weight: 600;">=</span>  <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span><span class="p">]</span></span>

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<pre style="margin: 0;">+<span id="LC128" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC129" class="line" lang="haskell"><span class="cd">-- | A HoleFitPlugin is a pair of candidate and fit plugins.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC130" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC131" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">candPlugin</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC132" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">fitPlugin</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span> <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC133" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC134" class="line" lang="haskell"><span class="cd">-- | HoleFitPluginR adds a TcRef to hole fit plugins so that plugins can</span></span>

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<pre style="margin: 0;">+<span id="LC135" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- track internal state. Note the existential quantification, ensuring that</span></span>

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<pre style="margin: 0;">+<span id="LC136" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the state cannot be modified from outside the plugin.</span></span>

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<pre style="margin: 0;">+<span id="LC137" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">s</span><span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span></span>

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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;">hfPluginInit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcRef</span> <span class="n" style="color: #333;">s</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC139" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Initializes the TcRef to be passed to the plugin</span></span>

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<pre style="margin: 0;">+<span id="LC140" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">hfPluginRun</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcRef</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span></span>

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<pre style="margin: 0;">+<span id="LC141" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ The function defining the plugin itself</span></span>

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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;">hfPluginStop</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcRef</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="nb" style="color: #0086b3;">()</span></span>

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<pre style="margin: 0;">+<span id="LC143" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Cleanup of state, guaranteed to be called even on error</span></span>

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<pre style="margin: 0;">+<span id="LC144" class="line" lang="haskell">  <span class="p">}</span></span></pre>

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<li id="5d6b948288924e9488b98a75714a596e04286090">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#5d6b948288924e9488b98a75714a596e04286090"><strong>compiler/typecheck/TcHoleFitTypes.hs-boot</strong></a>

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">-- This boot file is in place to break the loop where:</span>

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">-- + TcRnTypes needs 'HoleFitPlugin',</span>

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<pre style="margin: 0;">+<span id="LC3" class="line" lang="plaintext">-- + which needs 'TcHoleFitTypes'</span>

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<pre style="margin: 0;">+<span id="LC4" class="line" lang="plaintext">-- + which needs 'TcRnTypes'</span>

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<pre style="margin: 0;">+<span id="LC5" class="line" lang="plaintext">module TcHoleFitTypes where</span>

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<pre style="margin: 0;">+<span id="LC6" class="line" lang="plaintext"></span>

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<pre style="margin: 0;">+<span id="LC7" class="line" lang="plaintext">data HoleFitPlugin</span></pre>

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<li id="2799ba786adc98d485fad6003334b913a0069bdc">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#2799ba786adc98d485fad6003334b913a0069bdc"><strong>compiler/typecheck/TcRnDriver.hs</strong></a>

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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -141,6 +141,8 @@ import qualified Data.Set as S</td>

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141

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<pre style="margin: 0;"> <span id="LC141" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.DeepSeq</span></span>

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142

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<pre style="margin: 0;"> <span id="LC142" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span></span>

</pre>

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

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

</pre>

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<td class="diff-line-num new old_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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<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 class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">TcHoleFitTypes</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num 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>

</pre>

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<td class="diff-line-num old_line" data-linenumber="144" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="146" style="width: 35px; color: rgba(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="LC146" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="145" style="width: 35px; color: rgba(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="147" style="width: 35px; color: rgba(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="LC147" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"HsVersions.h"</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="146" style="width: 35px; color: rgba(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="148" style="width: 35px; color: rgba(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="LC148" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="166" style="width: 35px; color: rgba(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="168" style="width: 35px; color: rgba(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">@@ -166,7 +168,7 @@ tcRnModule hsc_env mod_sum save_rn_syntax</td>

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<td class="diff-line-num old_line" data-linenumber="166" style="width: 35px; color: rgba(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="168" style="width: 35px; color: rgba(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="LC168" class="line" lang="haskell">              <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Renamer/typechecker"</span><span class="o" style="font-weight: 600;"><+></span><span class="n" style="color: #333;">brackets</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">this_mod</span><span class="p">))</span></span>

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<td class="diff-line-num new_line" data-linenumber="169" style="width: 35px; color: rgba(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="LC169" class="line" lang="haskell">              <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="nb" style="color: #0086b3;">()</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>

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<td class="diff-line-num old_line" data-linenumber="168" style="width: 35px; color: rgba(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="170" style="width: 35px; color: rgba(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="LC170" class="line" lang="haskell">   <span class="n" style="color: #333;">initTc</span> <span class="n" style="color: #333;">hsc_env</span> <span class="n" style="color: #333;">hsc_src</span> <span class="n" style="color: #333;">save_rn_syntax</span> <span class="n" style="color: #333;">this_mod</span> <span class="n" style="color: #333;">real_loc</span> <span class="o" style="font-weight: 600;">$</span></span>

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<td class="diff-line-num new_line old" data-linenumber="171" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC169" class="line" lang="haskell">          <span class="n" style="color: #333;">withTcPlugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">withH<span class="idiff left right">f</span>Plugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span></span>

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<td class="diff-line-num new old_line" data-linenumber="170" style="width: 35px; color: rgba(0,0,0,0.3); 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="171" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC171" class="line" lang="haskell">          <span class="n" style="color: #333;">withTcPlugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">withH<span class="idiff left right">oleFit</span>Plugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span></span>

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<td class="diff-line-num new_line" data-linenumber="172" style="width: 35px; color: rgba(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="LC172" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="171" style="width: 35px; color: rgba(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="LC173" class="line" lang="haskell">          <span class="n" style="color: #333;">tcRnModuleTcRnM</span> <span class="n" style="color: #333;">hsc_env</span> <span class="n" style="color: #333;">mod_sum</span> <span class="n" style="color: #333;">parsedModule</span> <span class="n" style="color: #333;">pair</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="172" style="width: 35px; color: rgba(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="174" style="width: 35px; color: rgba(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="LC174" class="line" lang="haskell"></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1842" style="width: 35px; color: rgba(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="1844" style="width: 35px; color: rgba(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">@@ -1842,7 +1844,7 @@ runTcInteractive :: HscEnv -> TcRn a -> IO (Messages, Maybe a)</td>

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<pre style="margin: 0;"> <span id="LC1844" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Initialise the tcg_inst_env with instances from all home modules.</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="1845" style="width: 35px; color: rgba(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="LC1845" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This mimics the more selective call to hptInstances in tcRnImports</span></span>

</pre>

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1844

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<pre style="margin: 0;"> <span id="LC1846" class="line" lang="haskell"><span class="n" style="color: #333;">runTcInteractive</span> <span class="n" style="color: #333;">hsc_env</span> <span class="n" style="color: #333;">thing_inside</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="1847" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1845" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">initTcInteractive</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">withTcPlugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">withH<span class="idiff left right">f</span>Plugins</span> <span class="n" style="color: #333;">hsc_env</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="1846" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC1847" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">initTcInteractive</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">withTcPlugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">withH<span class="idiff left right">oleFit</span>Plugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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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">

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<pre style="margin: 0;"> <span id="LC1848" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">traceTc</span> <span class="s" style="color: #d14;">"setInteractiveContext"</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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1847

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<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">

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<pre style="margin: 0;"> <span id="LC1849" class="line" lang="haskell">            <span class="n" style="color: #333;">vcat</span> <span class="p">[</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"ic_tythings:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">vcat</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">ppr</span> <span class="p">(</span><span class="n" style="color: #333;">ic_tythings</span> <span class="n" style="color: #333;">icxt</span><span class="p">))</span></span>

</pre>

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1848

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<td class="diff-line-num new_line" data-linenumber="1850" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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;">text</span> <span class="s" style="color: #d14;">"ic_insts:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">vcat</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">pprBndr</span> <span class="kt" style="color: #458; font-weight: 600;">LetBind</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">instanceDFunId</span><span class="p">)</span> <span class="n" style="color: #333;">ic_insts</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2877" style="width: 35px; color: rgba(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="2879" style="width: 35px; color: rgba(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">@@ -2877,8 +2879,8 @@ getTcPlugins :: DynFlags -> [TcRnMonad.TcPlugin]</td>

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2879

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<pre style="margin: 0;"> <span id="LC2879" class="line" lang="haskell"><span class="n" style="color: #333;">getTcPlugins</span> <span class="n" style="color: #333;">dflags</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">catMaybes</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mapPlugins</span> <span class="n" style="color: #333;">dflags</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">args</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">tcPlugin</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">args</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="2880" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2880

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<pre style="margin: 0;"> <span id="LC2880" class="line" lang="haskell"></span>

</pre>

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2879

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<td class="diff-line-num new_line" data-linenumber="2881" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2881

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<pre style="margin: 0;"> <span id="LC2881" class="line" lang="haskell"></span>

</pre>

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2880

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<td class="diff-line-num new_line old" data-linenumber="2882" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2880" class="line" lang="haskell"><span class="n" style="color: #333;">withH<span class="idiff left right">f</span>Plugins</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HscEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="2882" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2881" class="line" lang="haskell"><span class="n" style="color: #333;">withH<span class="idiff left right">f</span>Plugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="n" style="color: #333;">m</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="2882" style="width: 35px; color: rgba(0,0,0,0.3); 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="2882" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2882" class="line" lang="haskell"><span class="n" style="color: #333;">withH<span class="idiff left right">oleFit</span>Plugins</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HscEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="n" style="color: #333;">a</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="2883" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2883" class="line" lang="haskell"><span class="n" style="color: #333;">withH<span class="idiff left right">oleFit</span>Plugins</span> <span class="n" style="color: #333;">hsc_env</span> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="2884" style="width: 35px; color: rgba(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="LC2884" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="p">(</span><span class="n" style="color: #333;">getHfPlugins</span> <span class="p">(</span><span class="n" style="color: #333;">hsc_dflags</span> <span class="n" style="color: #333;">hsc_env</span><span class="p">))</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2883" style="width: 35px; color: rgba(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="2885" style="width: 35px; color: rgba(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="LC2885" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">[]</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">m</span>  <span class="c1" style="color: #998; font-style: italic;">-- Common fast case</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2884" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2884

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<td class="diff-line-num new_line" data-linenumber="2886" style="width: 35px; color: rgba(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="LC2886" class="line" lang="haskell">    <span class="n" style="color: #333;">plugins</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;">plugins</span><span class="p">,</span><span class="n" style="color: #333;">stops</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">unzip</span> <span class="p">`</span><span class="n" style="color: #333;">fmap</span><span class="p">`</span> <span class="n" style="color: #333;">mapM</span> <span class="n" style="color: #333;">startPlugin</span> <span class="n" style="color: #333;">plugins</span></span>

</pre>

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<br>

</li>

<li id="d2ddf5ce2d076f8584d9825af8ea0d7ea0a38813">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#d2ddf5ce2d076f8584d9825af8ea0d7ea0a38813"><strong>compiler/typecheck/TcRnTypes.hs</strong></a>

<hr>

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

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

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -130,10 +130,6 @@ module TcRnTypes(</td>

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<pre style="margin: 0;"> <span id="LC130" class="line" lang="haskell">        <span class="n" style="color: #333;">eqCanDischargeFR</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC131" class="line" lang="haskell">        <span class="n" style="color: #333;">funEqCanDischarge</span><span class="p">,</span> <span class="n" style="color: #333;">funEqCanDischargeF</span><span class="p">,</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC132" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC133" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Hole Fit Plugins</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="134" style="width: 35px; color: rgba(0,0,0,0.3); 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="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC134" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">TypedHole</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;">HoleFit</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;">HoleFitCandidate</span> <span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">),</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC135" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</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;">HoleFitPluginR</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 old_line" data-linenumber="136" style="width: 35px; color: rgba(0,0,0,0.3); 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="133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-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>

</pre>

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<td class="diff-line-num old_line" data-linenumber="137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_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="LC133" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- Pretty printing</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="134" style="width: 35px; color: rgba(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="LC134" class="line" lang="haskell">        <span class="n" style="color: #333;">pprEvVarTheta</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC135" class="line" lang="haskell">        <span class="n" style="color: #333;">pprEvVars</span><span class="p">,</span> <span class="n" style="color: #333;">pprEvVarWithType</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="202" style="width: 35px; color: rgba(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="198" style="width: 35px; color: rgba(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">@@ -202,7 +198,6 @@ import CostCentreState</td>

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<pre style="margin: 0;"> <span id="LC198" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Control.Monad</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">ap</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">liftM</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">msum</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC199" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Control.Monad.Fail</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">MonadFail</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC200" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Set</span>      <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Set</span> <span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC205" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Function</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">on</span> <span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Data.Set</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">S</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="207" style="width: 35px; color: rgba(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="202" style="width: 35px; color: rgba(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="LC202" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="208" style="width: 35px; color: rgba(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="203" style="width: 35px; color: rgba(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="LC203" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.List</span> <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">sort</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="213" style="width: 35px; color: rgba(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="208" style="width: 35px; color: rgba(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">@@ -213,6 +208,8 @@ import Data.Maybe    ( mapMaybe )</td>

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<td class="diff-line-num old_line" data-linenumber="213" style="width: 35px; color: rgba(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="LC208" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHCi.Message</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="209" style="width: 35px; color: rgba(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="LC209" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHCi.RemoteTypes</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="210" style="width: 35px; color: rgba(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="LC210" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="216" style="width: 35px; color: rgba(0,0,0,0.3); 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="211" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC211" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">{-#</span> <span class="nn" style="color: #555;">SOURCE</span> <span class="o" style="font-weight: 600;">#-</span><span class="p">}</span> <span class="kt" style="color: #458; font-weight: 600;">TcHoleFitTypes</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span> <span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="216" style="width: 35px; color: rgba(0,0,0,0.3); 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="212" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC212" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="216" style="width: 35px; color: rgba(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="213" style="width: 35px; color: rgba(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="LC213" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="k" style="font-weight: 600;">qualified</span> <span class="nn" style="color: #555;">Language.Haskell.TH</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">TH</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="214" style="width: 35px; color: rgba(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="LC214" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num 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">

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<td class="diff-line-num new_line" data-linenumber="215" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC215" class="line" lang="haskell"><span class="cd">-- | A 'NameShape' is a substitution on 'Name's that can be used</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="3919" style="width: 35px; color: rgba(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="3916" style="width: 35px; color: rgba(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">@@ -3919,121 +3916,3 @@ getRoleAnnots :: [Name] -> RoleAnnotEnv</td>

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<td class="diff-line-num old_line" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3919

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<td class="diff-line-num new_line" data-linenumber="3916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3916

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<pre style="margin: 0;"> <span id="LC3916" class="line" lang="haskell"><span class="n" style="color: #333;">getRoleAnnots</span> <span class="n" style="color: #333;">bndrs</span> <span class="n" style="color: #333;">role_env</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3920" style="width: 35px; color: rgba(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="3917" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3917

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<pre style="margin: 0;"> <span id="LC3917" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span> <span class="n" style="color: #333;">mapMaybe</span> <span class="p">(</span><span class="n" style="color: #333;">lookupRoleAnnot</span> <span class="n" style="color: #333;">role_env</span><span class="p">)</span> <span class="n" style="color: #333;">bndrs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3921" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3921

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<td class="diff-line-num new_line" data-linenumber="3918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3918

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<pre style="margin: 0;"> <span id="LC3918" class="line" lang="haskell">    <span class="p">,</span> <span class="n" style="color: #333;">delListFromNameEnv</span> <span class="n" style="color: #333;">role_env</span> <span class="n" style="color: #333;">bndrs</span> <span class="p">)</span></span></pre>

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<td class="diff-line-num old old_line" data-linenumber="3922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3922

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3922" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3923

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3923" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3924

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3924" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Hole Fit Plugins</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3925" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3925

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3925" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-------------------------</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3926" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3926

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3926" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3927" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3927

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3927" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3928

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3928" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TyH</span> <span class="p">{</span> <span class="n" style="color: #333;">relevantCts</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Cts</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3929" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3929

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3929" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- ^ Any relevant Cts to the hole</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3930" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3930

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3930" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">implics</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Implication</span><span class="p">]</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3931" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3931

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3931" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- ^ The nested implications of the hole with the</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3932" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3932

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3932" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">--   innermost implication first.</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3933" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3933

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3933" class="line" lang="haskell">                     <span class="p">,</span> <span class="n" style="color: #333;">holeCt</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">Ct</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3934" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3934

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3934" class="line" lang="haskell">                       <span class="c1" style="color: #998; font-style: italic;">-- ^ The hole constraint itself, if available.</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3935" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3935

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3935" class="line" lang="haskell">                     <span class="p">}</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3936" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3936

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3936" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3937" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3937

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3937" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3938" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3938

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3938" 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;">TyH</span> <span class="n" style="color: #333;">rels</span> <span class="n" style="color: #333;">implics</span> <span class="n" style="color: #333;">ct</span><span class="p">)</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3939" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3939

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3939" 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;">"TypedHole"</span><span class="p">)</span> <span class="mi" style="color: #099;">2</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3940" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3940

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3940" class="line" lang="haskell">        <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">rels</span> <span class="o" style="font-weight: 600;">$+$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">implics</span> <span class="o" style="font-weight: 600;">$+$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">ct</span><span class="p">)</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3941" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3941

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3941" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3942" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3942

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3942" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

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<td class="diff-line-num old old_line" data-linenumber="3943" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3943

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3943" class="line" lang="haskell"><span class="cd">-- | HoleFitCandidates are passed to hole fit plugins and then</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3944" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3944

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3944" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- checked whether they fit a given typed-hole.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3945" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3945

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3945" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span>             <span class="c1" style="color: #998; font-style: italic;">-- An id, like locals.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3946" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3946

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3946" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="kt" style="color: #458; font-weight: 600;">Name</span>         <span class="c1" style="color: #998; font-style: italic;">-- A name, like built-in syntax.</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3947" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3947

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3947" class="line" lang="haskell">                      <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="kt" style="color: #458; font-weight: 600;">GlobalRdrElt</span>  <span class="c1" style="color: #998; font-style: italic;">-- A global, like imported ids.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3948" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3948

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3948" class="line" lang="haskell">                      <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Eq</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3949" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3949

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3949" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3950" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3950

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3950" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3951" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3951

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3951" class="line" lang="haskell">  <span class="n" style="color: #333;">ppr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">pprHoleFitCand</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3952" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3952

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3952" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3953" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3953

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3953" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SDoc</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3954" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3954

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3954" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="n" style="color: #333;">id</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Id HFC: "</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">id</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3955" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3955

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

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<pre style="margin: 0;">-<span id="LC3955" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="n" style="color: #333;">name</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Name HFC: "</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">name</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3956" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3956

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3956" class="line" lang="haskell"><span class="n" style="color: #333;">pprHoleFitCand</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">gre</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Gre HFC: "</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">gre</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3957" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3957

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3957" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3958" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3958

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3958" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">NamedThing</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num old old_line" data-linenumber="3959" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3959

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3959" class="line" lang="haskell">  <span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">hfc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">hfc</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num old old_line" data-linenumber="3960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3960

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

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<pre style="margin: 0;">-<span id="LC3960" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">idName</span> <span class="n" style="color: #333;">id</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3961

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3961" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">name</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3962" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3962

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3962" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">gre</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">gre_name</span> <span class="n" style="color: #333;">gre</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3963" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3963

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3963" class="line" lang="haskell">  <span class="n" style="color: #333;">getOccName</span> <span class="n" style="color: #333;">hfc</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">hfc</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3964" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3964

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3964" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">IdHFCand</span> <span class="n" style="color: #333;">id</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">occName</span> <span class="n" style="color: #333;">id</span></span>

</pre>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3965" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3965

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3965" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">NameHFCand</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">occName</span> <span class="n" style="color: #333;">name</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3966" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3966

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3966" class="line" lang="haskell">                     <span class="kt" style="color: #458; font-weight: 600;">GreHFCand</span> <span class="n" style="color: #333;">gre</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">occName</span> <span class="p">(</span><span class="n" style="color: #333;">gre_name</span> <span class="n" style="color: #333;">gre</span><span class="p">)</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3967" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3967

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3967" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3968" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3968

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3968" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasOccName</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3969" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3969

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3969" class="line" lang="haskell">  <span class="n" style="color: #333;">occName</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">getOccName</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3970" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3970

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3970" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3971" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3971

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3971" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3972" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3972

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3972" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">compare</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="n" style="color: #333;">getName</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3973" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3973

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3973" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3974" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3974

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3974" class="line" lang="haskell"><span class="cd">-- | HoleFit is the type we use for valid hole fits. It contains the</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3975" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3975

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3975" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- element that was checked, the Id of that element as found by `tcLookup`,</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3976" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3976

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3976" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- and the refinement level of the fit, which is the number of extra argument</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="3977" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3977

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC3977" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- holes that this fit uses (e.g. if hfRefLvl is 2, the fit is for `Id _ _`).</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3978" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3978

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3978" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</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="3979" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3979

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3979" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{</span> <span class="n" style="color: #333;">hfId</span>   <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Id</span>       <span class="c1" style="color: #998; font-style: italic;">-- ^ The elements id in the TcM</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3980" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3980

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3980" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfCand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ The candidate that was checked.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3981" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3981

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3981" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfType</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcType</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ The type of the id, possibly zonked.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3982" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3982

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3982" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfRefLvl</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span>  <span class="c1" style="color: #998; font-style: italic;">-- ^ The number of holes in this fit.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3983" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3983

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3983" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfWrap</span> <span class="o" style="font-weight: 600;">::</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 wrapper for the match.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3984" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3984

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3984" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfMatches</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">TcType</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3985" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3985

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3985" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- ^ What the refinement variables got matched with, if anything</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3986" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3986

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3986" class="line" lang="haskell">          <span class="p">,</span> <span class="n" style="color: #333;">hfDoc</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">HsDocString</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3987

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3987" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- ^ Documentation of this HoleFit, if available.</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3988

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3988" class="line" lang="haskell">          <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3989" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3989

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3989" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</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="3990" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3990

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3990" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ^ A fit that is just displayed as is. Here so thatHoleFitPlugins</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3991

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3991" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">--   can inject any fit they want.</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3992" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3992

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3992" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3993

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3993" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We define an Eq and Ord instance to be able to build a graph.</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="3994" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3994

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3994" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3995" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3995

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<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3995" class="line" lang="haskell">   <span class="p">(</span><span class="o" style="font-weight: 600;">==</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="o" style="font-weight: 600;">==</span><span class="p">)</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="n" style="color: #333;">hfId</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3996" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3996

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3996" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3997" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3997

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3997" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Outputable</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3998

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3998" 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;">RawHoleFit</span> <span class="n" style="color: #333;">sd</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sd</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="3999" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

3999

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC3999" 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;">HoleFit</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">cand</span> <span class="n" style="color: #333;">ty</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">mtchs</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4000" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4000

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4000" class="line" lang="haskell">    <span class="n" style="color: #333;">hang</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;">holes</span><span class="p">)</span> <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;">"where"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</span> <span class="o" style="font-weight: 600;"><+></span> <span class="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 old_line" data-linenumber="4001" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4001

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4001" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">name</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ppr</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">getName</span> <span class="n" style="color: #333;">cand</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4002" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4002

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4002" class="line" lang="haskell">          <span class="n" style="color: #333;">holes</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">sep</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">parens</span> <span class="o" style="font-weight: 600;">.</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"_"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">dcolon</span> <span class="o" style="font-weight: 600;"><+></span><span class="p">)</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">ppr</span><span class="p">)</span> <span class="n" style="color: #333;">mtchs</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4003

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4003" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4004" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4004

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4004" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- We compare HoleFits by their name instead of their Id, since we don't</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4005" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4005

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

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<pre style="margin: 0;">-<span id="LC4005" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- want our tests to be affected by the non-determinism of `nonDetCmpVar`,</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4006" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4006

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4006" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- which is used to compare Ids. When comparing, we want HoleFits with a lower</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4007" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4007

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4007" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- refinement level to come first.</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="4008" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4008

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

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<pre style="margin: 0;">-<span id="LC4008" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">Ord</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="4009" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4009

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

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<pre style="margin: 0;">-<span id="LC4009" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</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;">EQ</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="4010" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4010

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4010" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</span> <span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">LT</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4011

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

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<pre style="margin: 0;">-<span id="LC4011" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">RawHoleFit</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;">GT</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4012

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4012" class="line" lang="haskell">  <span class="n" style="color: #333;">compare</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{})</span> <span class="n" style="color: #333;">b</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span> <span class="p">{})</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmp</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">b</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="4013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4013

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4013" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">cmp</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">hfRefLvl</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">hfRefLvl</span> <span class="n" style="color: #333;">b</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4014

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4014" class="line" lang="haskell">                 <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">compare</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="p">(</span><span class="n" style="color: #333;">getName</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">hfCand</span><span class="p">)</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4015

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4015" class="line" lang="haskell">                 <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">compare</span> <span class="p">`</span><span class="n" style="color: #333;">on</span><span class="p">`</span> <span class="n" style="color: #333;">hfRefLvl</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4016

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4016" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4017

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4017" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4018

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4018" class="line" lang="haskell"><span class="cd">-- | A plugin for modifying the candidate hole fits *before* they're checked.</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4019

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4019" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFitCandidate</span><span class="p">]</span></span>

</pre>

</td>

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<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4020

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4020" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4021

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4021" class="line" lang="haskell"><span class="cd">-- | A plugin for modifying hole fits  *after* they've been found.</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4022

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4022" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span> <span class="o" style="font-weight: 600;">=</span>  <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">HoleFit</span><span class="p">]</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4023" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4023

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4023" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4024

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4024" class="line" lang="haskell"><span class="cd">-- | A HoleFitPlugin is a pair of candidate and fit plugins.</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4025

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4025" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4026

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4026" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">candPlugin</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">CandPlugin</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4027

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4027" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">fitPlugin</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FitPlugin</span> <span class="p">}</span></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4028

</td>

<td class="diff-line-num new_line old" data-linenumber="3919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

</td>

<td class="line_content old" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#fbe9eb">

<pre style="margin: 0;">-<span id="LC4028" class="line" lang="haskell"></span>

</pre>

</td>

</tr>

<tr class="line_holder old" id="" style="line-height: 1.6;">

<td class="diff-line-num old old_line" data-linenumber="4029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4029

</td>

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<pre style="margin: 0;">-<span id="LC4029" class="line" lang="haskell"><span class="cd">-- | HoleFitPluginR adds a TcRef to hole fit plugins so that plugins can</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC4030" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- track internal state. Note the existential quantification, ensuring that</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4031" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

4031

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<pre style="margin: 0;">-<span id="LC4031" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the state cannot be modified from outside the plugin.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4032" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4032" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">s</span><span class="o" style="font-weight: 600;">.</span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPluginR</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4033" class="line" lang="haskell">  <span class="p">{</span> <span class="n" style="color: #333;">hfPluginInit</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">TcRef</span> <span class="n" style="color: #333;">s</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4034" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Initializes the TcRef to be passed to the plugin</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4035" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">holeFitPluginR</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcRef</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HoleFitPlugin</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4036" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ The function defining the plugin itself</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="4037" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC4037" class="line" lang="haskell">  <span class="p">,</span> <span class="n" style="color: #333;">hfPluginStop</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TcRef</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">TcM</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

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4038

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<pre style="margin: 0;">-<span id="LC4038" class="line" lang="haskell">    <span class="c1" style="color: #998; font-style: italic;">-- ^ Cleanup of state, guaranteed to be called even on error</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC4039" class="line" lang="haskell">  <span class="p">}</span></span></pre>

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<li id="616606d7ec92f17c847240a7bc125e1d8c9c00a1">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#616606d7ec92f17c847240a7bc125e1d8c9c00a1"><strong>docs/users_guide/extending_ghc.rst</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">@@ -869,12 +869,12 @@ at error generation.</td>

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<pre style="margin: 0;"> <span id="LC869" class="line" lang="mosel"></span>

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<pre style="margin: 0;"> <span id="LC870" class="line" lang="mosel"><span class="s1" style="color: #d14;">::</span></span>

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<pre style="margin: 0;"> <span id="LC871" class="line" lang="mosel"></span>

</pre>

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<pre style="margin: 0;">-<span id="LC872" class="line" lang="mosel"><span class="s1" style="color: #d14;">    data TypedHole = TyH { <span class="idiff left right">r</span>elevantCts :: Cts</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC872" class="line" lang="mosel"><span class="s1" style="color: #d14;">    data TypedHole = TyH { <span class="idiff left right">tyHR</span>elevantCts :: Cts</span></span>

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<pre style="margin: 0;"> <span id="LC873" class="line" lang="mosel"><span class="s1" style="color: #d14;">                          -- ^ Any relevant Cts to the hole</span></span>

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<pre style="margin: 0;">-<span id="LC874" class="line" lang="mosel"><span class="s1" style="color: #d14;">                        , <span class="idiff left right">i</span>mplics :: [Implication]</span></span>

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<pre style="margin: 0;">+<span id="LC874" class="line" lang="mosel"><span class="s1" style="color: #d14;">                        , <span class="idiff left right">tyHI</span>mplics :: [Implication]</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC875" class="line" lang="mosel"><span class="s1" style="color: #d14;">                          -- ^ The nested implications of the hole with the</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC876" class="line" lang="mosel"><span class="s1" style="color: #d14;">                          --   innermost implication first.</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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<td class="diff-line-num new_line old" data-linenumber="877" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC877" class="line" lang="mosel"><span class="s1" style="color: #d14;">                        , <span class="idiff left right">hole</span>Ct :: Maybe Ct</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC877" class="line" lang="mosel"><span class="s1" style="color: #d14;">                        , <span class="idiff left right">tyH</span>Ct :: Maybe Ct</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC878" class="line" lang="mosel"><span class="s1" style="color: #d14;">                          -- ^ The hole constraint itself, if available.</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC879" class="line" lang="mosel"><span class="s1" style="color: #d14;">                        }</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC880" class="line" lang="mosel"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="912" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="912" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -912,7 +912,7 @@ communication between the candidate and fit plugin.</td>

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<pre style="margin: 0;"> <span id="LC912" class="line" lang="mosel"><span class="s1" style="color: #d14;">    data HoleFitPluginR = forall s. HoleFitPluginR</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="913" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

913

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913

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<pre style="margin: 0;"> <span id="LC913" class="line" lang="mosel"><span class="s1" style="color: #d14;">      { hfPluginInit :: TcM (TcRef s)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="914" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

914

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<pre style="margin: 0;"> <span id="LC914" class="line" lang="mosel"><span class="s1" style="color: #d14;">        -- ^ Initializes the TcRef to be passed to the plugin</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

915

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<td class="diff-line-num new_line old" data-linenumber="915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC915" class="line" lang="mosel"><span class="s1" style="color: #d14;">      , h<span class="idiff left right">oleFitPluginR</span> :: TcRef s -> HoleFitPlugin</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="915" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

915

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<pre style="margin: 0;">+<span id="LC915" class="line" lang="mosel"><span class="s1" style="color: #d14;">      , h<span class="idiff left right">fPluginRun</span> :: TcRef s -> HoleFitPlugin</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

916

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<td class="diff-line-num new_line" data-linenumber="916" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

916

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<pre style="margin: 0;"> <span id="LC916" class="line" lang="mosel"><span class="s1" style="color: #d14;">        -- ^ The function defining the plugin itself</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="917" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

917

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<pre style="margin: 0;"> <span id="LC917" class="line" lang="mosel"><span class="s1" style="color: #d14;">      , hfPluginStop :: TcRef s -> TcM ()</span></span>

</pre>

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918

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<pre style="margin: 0;"> <span id="LC918" class="line" lang="mosel"><span class="s1" style="color: #d14;">        -- ^ Cleanup of state, guaranteed to be called even on error</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="987" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -987,7 +987,7 @@ spent on searching for valid hole fits, after which new searches are aborted.</td>

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<pre style="margin: 0;"> <span id="LC987" class="line" lang="mosel"><span class="s1" style="color: #d14;">    fromModule _ = []</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC988" class="line" lang="mosel"></span>

</pre>

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989

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<pre style="margin: 0;"> <span id="LC989" class="line" lang="mosel"><span class="s1" style="color: #d14;">    toHoleFitCommand :: TypedHole -> String -> Maybe String</span></span>

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<pre style="margin: 0;">-<span id="LC990" class="line" lang="mosel"><span class="s1" style="color: #d14;">    toHoleFitCommand TyH{<span class="idiff left right">hole</span>Ct = Just (CHoleCan _ h)} str</span></span>

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<td class="diff-line-num new old_line" data-linenumber="991" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC990" class="line" lang="mosel"><span class="s1" style="color: #d14;">    toHoleFitCommand TyH{<span class="idiff left right">tyH</span>Ct = Just (CHoleCan _ h)} str</span></span>

</pre>

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991

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<pre style="margin: 0;"> <span id="LC991" class="line" lang="mosel"><span class="s1" style="color: #d14;">        = stripPrefix ("_" <> str) $ occNameString $ holeOcc h</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="992" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

992

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<pre style="margin: 0;"> <span id="LC992" class="line" lang="mosel"><span class="s1" style="color: #d14;">    toHoleFitCommand _ _ = Nothing</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

993

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<td class="diff-line-num new_line" data-linenumber="993" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC993" class="line" lang="mosel"></span>

</pre>

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<li id="57693ae880b4d4609bd2d8f0fb6f13038ffa4938">

<a href="https://gitlab.haskell.org/ghc/ghc/commit/3559a11ee39a76b65755ba8bffd821cba776019b#57693ae880b4d4609bd2d8f0fb6f13038ffa4938"><strong>testsuite/tests/plugins/hole-fit-plugin/HoleFitPlugin.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="34" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="34" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -34,7 +34,7 @@ fromModule (GreHFCand gre) =</td>

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34

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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell"><span class="n" style="color: #333;">fromModule</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">[]</span></span>

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35

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<pre style="margin: 0;"> <span id="LC35" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="36" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="n" style="color: #333;">toHoleFitCommand</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">TypedHole</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">String</span></span>

</pre>

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37

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<td class="diff-line-num new_line old" data-linenumber="37" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC37" class="line" lang="haskell"><span class="n" style="color: #333;">toHoleFitCommand</span> <span class="kt" style="color: #458; font-weight: 600;">TyH</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left right">hole</span>Ct</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CHoleCan</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">h</span><span class="p">)}</span> <span class="n" style="color: #333;">str</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="37" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell"><span class="n" style="color: #333;">toHoleFitCommand</span> <span class="kt" style="color: #458; font-weight: 600;">TyH</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left right">tyH</span>Ct</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">CHoleCan</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">h</span><span class="p">)}</span> <span class="n" style="color: #333;">str</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

38

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<td class="diff-line-num new_line" data-linenumber="38" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell">    <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">stripPrefix</span> <span class="p">(</span><span class="s" style="color: #d14;">"_"</span> <span class="o" style="font-weight: 600;"><></span> <span class="n" style="color: #333;">str</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">occNameString</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">holeOcc</span> <span class="n" style="color: #333;">h</span></span>

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<td class="diff-line-num old_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

39

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<td class="diff-line-num new_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

39

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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="n" style="color: #333;">toHoleFitCommand</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

40

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<td class="diff-line-num new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

40

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<pre style="margin: 0;"> <span id="LC40" class="line" lang="haskell"></span>

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