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<h3>

Shayne Fletcher pushed to branch wip/T18599

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/a1e418ad614bf4c7b22814d2f2a24328e7da55ef">a1e418ad</a></strong>

<div>

<span>by Shayne Fletcher</span>

<i>at 2020-09-20T11:52:25-04:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">improve error reporting

</pre>

</li>

</ul>

<h4>12 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#446cb12ca6cefaf1c6eb79b7db643632744263c7">

compiler/GHC/Parser/PostProcess.hs

</a>

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<li class="file-stats">

<a href="#6a1c24f49c33e909b949459b59188811102a1075">

testsuite/tests/parser/should_fail/RecordDotSyntaxFail0.stderr

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</li>

<li class="file-stats">

<a href="#9b22f38612936a00dac5dd0a4f080c5daa6480b8">

testsuite/tests/parser/should_fail/RecordDotSyntaxFail1.hs

</a>

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<li class="file-stats">

<a href="#d6ced01ff84088913839ff37603c277044e332e4">

testsuite/tests/parser/should_fail/RecordDotSyntaxFail1.stderr

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<li class="file-stats">

<a href="#ab3771366bf0e126336d70f049ffad4f4da08a09">

<span class="new-file">

+

testsuite/tests/parser/should_fail/RecordDotSyntaxFail2.hs

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<li class="file-stats">

<a href="#23553502d5195cdcd5db6950fec8a990b7332845">

<span class="new-file">

+

testsuite/tests/parser/should_fail/RecordDotSyntaxFail2.stderr

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<li class="file-stats">

<a href="#bad8aabcc83c8dca4b5e52943efadbbe0a7c7132">

<span class="new-file">

+

testsuite/tests/parser/should_fail/RecordDotSyntaxFail3.hs

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<li class="file-stats">

<a href="#e847217df6c94dd1579ca98349d349e1dbb6d091">

<span class="new-file">

+

testsuite/tests/parser/should_fail/RecordDotSyntaxFail3.stderr

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<li class="file-stats">

<a href="#73a59bca5f409dfdd736d73f2ebb5bdb3a42917f">

<span class="new-file">

+

testsuite/tests/parser/should_fail/RecordDotSyntaxFail4.hs

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<li class="file-stats">

<a href="#f292a93c94f13e524a0cce2fa227afd68f586dfe">

<span class="new-file">

+

testsuite/tests/parser/should_fail/RecordDotSyntaxFail4.stderr

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<li class="file-stats">

<a href="#3577fc796b73fe1f96c77f05fcdd73a8d4bc6f66">

testsuite/tests/parser/should_fail/all.T

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<li class="file-stats">

<a href="#1225eef69222835430509ff2a33dccbee6d377ef">

testsuite/tests/parser/should_run/RecordDotSyntax.hs

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<h4>Changes:</h4>

<li id="446cb12ca6cefaf1c6eb79b7db643632744263c7">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#446cb12ca6cefaf1c6eb79b7db643632744263c7"><strong>compiler/GHC/Parser/PostProcess.hs</strong></a>

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

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

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -138,6 +138,7 @@ import GHC.Data.FastString</td>

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<pre style="margin: 0;"> <span id="LC138" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Data.Maybe</span></span>

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<pre style="margin: 0;"> <span id="LC139" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Utils.Misc</span></span>

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<pre style="margin: 0;"> <span id="LC140" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Parser.Annotation</span></span>

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<td class="diff-line-num new new_line" data-linenumber="141" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC141" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Either</span></span>

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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;">Data.List</span></span>

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<pre style="margin: 0;"> <span id="LC143" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Data.Foldable</span></span>

</pre>

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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;">GHC.Driver.Session</span> <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">WarningFlag</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;">DynFlags</span> <span class="p">)</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="153" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="154" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -153,11 +154,14 @@ import Data.Kind       ( Type )</td>

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<pre style="margin: 0;"> <span id="LC154" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"HsVersions.h"</span></span>

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<pre style="margin: 0;"> <span id="LC155" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC156" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span></span>

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<pre style="margin: 0;">-<span id="LC156" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">))</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;"><span class="idiff left">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">b</span></span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC157" class="line" lang="haskell">  <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">))</span> <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="p"><span class="idiff right">)</span>)</span></span>

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158

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<pre style="margin: 0;"> <span id="LC158" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC158" class="line" lang="haskell"><span class="n" style="color: #333;">fbindToRecField</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>

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159

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<pre style="margin: 0;">-<span id="LC159" class="line" lang="haskell"><span class="n" style="color: #333;">fbindToRecField</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">f</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">f</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

160

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<td class="diff-line-num new_line old" data-linenumber="159" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC160" class="line" lang="haskell"><span class="n" style="color: #333;">fbindToRecField</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">panic</span> <span class="s" style="color: #d14;">"fbindToRecField: The impossible happened"</span></span>

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<pre style="margin: 0;">+<span id="LC159" class="line" lang="haskell"><span class="n" style="color: #333;">fbindsToEithers</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">b</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;">Either</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">))</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">))]</span></span>

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<pre style="margin: 0;">+<span id="LC160" class="line" lang="haskell"><span class="n" style="color: #333;">fbindsToEithers</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">fbindToEither</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC161" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC162" class="line" lang="haskell">    <span class="n" style="color: #333;">fbindToEither</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Either</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">))</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">))</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC163" class="line" lang="haskell">    <span class="n" style="color: #333;">fbindToEither</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Left</span> <span class="n" style="color: #333;">x</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="164" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC164" class="line" lang="haskell">    <span class="n" style="color: #333;">fbindToEither</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="n" style="color: #333;">x</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Right</span> <span class="n" style="color: #333;">x</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="165" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC165" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC166" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{- **********************************************************************</span></span>

</pre>

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167

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<pre style="margin: 0;"> <span id="LC167" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1393" style="width: 35px; color: rgba(0,0,0,0.3); 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="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1393,7 +1397,7 @@ class b ~ (Body b) GhcPs => DisambECP b where</td>

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1397

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<pre style="margin: 0;"> <span id="LC1397" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- | Return an expression without ambiguity, or fail in a non-expression context.</span></span>

</pre>

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1398

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<pre style="margin: 0;"> <span id="LC1398" class="line" lang="haskell">  <span class="n" style="color: #333;">ecpFromExp'</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>

</pre>

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1395

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<td class="diff-line-num new_line" data-linenumber="1399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1399

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<pre style="margin: 0;"> <span id="LC1399" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- | This can only be satified by expressions.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1396" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1396

</td>

<td class="diff-line-num new_line old" data-linenumber="1400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1396" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;"><span class="idiff left">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">b</span></span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1400

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<pre style="margin: 0;">+<span id="LC1400" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">b</span></span><span class="p"><span class="idiff right">)</span>)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1397

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

1401

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<pre style="margin: 0;"> <span id="LC1401" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- | Disambiguate "\... -> ..." (lambda)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1398

</td>

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

1402

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<pre style="margin: 0;"> <span id="LC1402" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsLamPV</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">MatchGroup</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1399

</td>

<td class="diff-line-num new_line" data-linenumber="1403" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1403

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<pre style="margin: 0;"> <span id="LC1403" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- | Disambiguate "let ... in ..."</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1521" style="width: 35px; color: rgba(0,0,0,0.3); 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="1525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1521,9 +1525,7 @@ instance DisambECP (HsCmd GhcPs) where</td>

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<td class="diff-line-num old_line" data-linenumber="1521" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1521

</td>

<td class="diff-line-num new_line" data-linenumber="1525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1525

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<pre style="margin: 0;"> <span id="LC1525" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">Body</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsCmd</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsCmd</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1522" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1522

</td>

<td class="diff-line-num new_line" data-linenumber="1526" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1526

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<pre style="margin: 0;"> <span id="LC1526" class="line" lang="haskell">  <span class="n" style="color: #333;">ecpFromCmd'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1523" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1523

</td>

<td class="diff-line-num new_line" data-linenumber="1527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1527

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<pre style="margin: 0;"> <span id="LC1527" class="line" lang="haskell">  <span class="n" style="color: #333;">ecpFromExp'</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">e</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1524" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1524

</td>

<td class="diff-line-num new_line old" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1524" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="n" style="color: #333;">l</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>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1525" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1525

</td>

<td class="diff-line-num new_line old" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1525" class="line" lang="haskell">    <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</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="1526" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1526

</td>

<td class="diff-line-num new_line old" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1526" class="line" lang="haskell">    <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Field selector syntax is not supported in commands."</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1528

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<pre style="margin: 0;">+<span id="LC1528" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Use of RecordDotSyntax `.' not valid."</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1527" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1527

</td>

<td class="diff-line-num new_line" data-linenumber="1529" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1529

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<pre style="margin: 0;"> <span id="LC1529" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsLamPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">mg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsCmdLam</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">mg</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1528" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1528

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<td class="diff-line-num new_line" data-linenumber="1530" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1530

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<pre style="margin: 0;"> <span id="LC1530" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsLetPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">bs</span> <span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsCmdLet</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">bs</span> <span class="n" style="color: #333;">e</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1529" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1529

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<td class="diff-line-num new_line" data-linenumber="1531" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1531

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<pre style="margin: 0;"> <span id="LC1531" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">InfixOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsCmd</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1557" style="width: 35px; color: rgba(0,0,0,0.3); 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="1559" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -1557,8 +1559,12 @@ instance DisambECP (HsCmd GhcPs) where</td>

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<td class="diff-line-num old_line" data-linenumber="1557" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1557

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<td class="diff-line-num new_line" data-linenumber="1559" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1559

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<pre style="margin: 0;"> <span id="LC1559" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsExplicitListPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">xs</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1558" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1558

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<td class="diff-line-num new_line" data-linenumber="1560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1560

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<pre style="margin: 0;"> <span id="LC1560" class="line" lang="haskell">    <span class="n" style="color: #333;">brackets</span> <span class="p">(</span><span class="n" style="color: #333;">fsep</span> <span class="p">(</span><span class="n" style="color: #333;">punctuate</span> <span class="n" style="color: #333;">comma</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">xs</span><span class="p">)))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1559" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1559

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<td class="diff-line-num new_line" data-linenumber="1561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1561

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<pre style="margin: 0;"> <span id="LC1561" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsSplicePV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">sp</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">sp</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1560

</td>

<td class="diff-line-num new_line old" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1560" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsRecordPV</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">a</span> <span class="p">(</span><span class="n" style="color: #333;">fbinds</span><span class="p">,</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</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="1561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1561

</td>

<td class="diff-line-num new_line old" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1561" class="line" lang="haskell">    <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">a</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;">mk_rec_fields</span> <span class="n" style="color: #333;">fbinds</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1562

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<pre style="margin: 0;">+<span id="LC1562" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsRecordPV</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">a</span> <span class="p">(</span><span class="n" style="color: #333;">fbinds</span><span class="p">,</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1563

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<pre style="margin: 0;">+<span id="LC1563" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">fs</span><span class="p">,</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partitionEithers</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fbindsToEithers</span> <span class="n" style="color: #333;">fbinds</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1564

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<pre style="margin: 0;">+<span id="LC1564" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1565" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1565

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<pre style="margin: 0;">+<span id="LC1565" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">addFatalError</span> <span class="p">(</span><span class="n" style="color: #333;">getLoc</span> <span class="p">(</span><span class="n" style="color: #333;">head</span> <span class="n" style="color: #333;">ps</span><span class="p">))</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1566

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<pre style="margin: 0;">+<span id="LC1566" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Use of RecordDotSyntax `.' not valid."</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1567" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1567

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<pre style="margin: 0;">+<span id="LC1567" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">a</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;">mk_rec_fields</span> <span class="n" style="color: #333;">fs</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1562

</td>

<td class="diff-line-num new_line" data-linenumber="1568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1568

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<pre style="margin: 0;"> <span id="LC1568" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsNegAppPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</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;">ppr</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

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<td class="diff-line-num old_line" data-linenumber="1563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1569" style="width: 35px; color: rgba(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="LC1569" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsSectionR_PV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">op</span> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cmdFail</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">$</span></span>

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<td class="diff-line-num old_line" data-linenumber="1564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1570" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1570" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">pp_op</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fromMaybe</span> <span class="p">(</span><span class="n" style="color: #333;">panic</span> <span class="s" style="color: #d14;">"cannot print infix operator"</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1587" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1593" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1587,7 +1593,7 @@ instance DisambECP (HsExpr GhcPs) where</td>

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<pre style="margin: 0;"> <span id="LC1593" class="line" lang="haskell">        <span class="n" style="color: #333;">nest</span> <span class="mi" style="color: #099;">2</span> <span class="p">(</span><span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">c</span><span class="p">)</span> <span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1588" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1594" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1594" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">hsHoleExpr</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1589" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1595" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1595" class="line" lang="haskell">  <span class="n" style="color: #333;">ecpFromExp'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span></span>

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<td class="diff-line-num old old_line" data-linenumber="1590" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="1596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1590" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="kr" style="font-weight: 600;"><span class="idiff left">_</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fields</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">return</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">mkFieldUpdater</span></span> <span class="n" style="color: #333;">fields</span> <span class="n" style="color: #333;">arg</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="1596" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC1596" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="n" style="color: #333;"><span class="idiff left">l</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fields</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">arg</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">return</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">mkFieldUpdater</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">l</span></span> <span class="n" style="color: #333;">fields</span> <span class="n" style="color: #333;">arg</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1591" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1597" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1597" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsLamPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">mg</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsLam</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">mg</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1592" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1598" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1598" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsLetPV</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">bs</span> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsLet</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">bs</span> <span class="n" style="color: #333;">c</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="1599" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1599" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">type</span> <span class="kt" style="color: #458; font-weight: 600;">InfixOp</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1677" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1683" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -1677,7 +1683,7 @@ instance DisambECP (PatBuilder GhcPs) where</td>

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<pre style="margin: 0;"> <span id="LC1683" class="line" lang="haskell">      <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Expression syntax in pattern:"</span> <span class="o" style="font-weight: 600;"><+></span> <span class="n" style="color: #333;">ppr</span> <span class="n" style="color: #333;">e</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1678" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<td class="diff-line-num new_line" data-linenumber="1684" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC1684" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsFieldUpdaterPV</span> <span class="n" style="color: #333;">l</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>

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1679

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<pre style="margin: 0;"> <span id="LC1685" class="line" lang="haskell">    <span class="n" style="color: #333;">addFatalError</span> <span class="n" style="color: #333;">l</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="1680" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1680

</td>

<td class="diff-line-num new_line old" data-linenumber="1686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1680" class="line" lang="haskell">    <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"<span class="idiff left right">Field selector syntax is not supported in patterns</span>."</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1681" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1686" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1686

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<pre style="margin: 0;">+<span id="LC1686" class="line" lang="haskell">    <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"<span class="idiff left right">Use of RecordDotSyntax `.' not valid</span>."</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1681" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1681

</td>

<td class="diff-line-num new_line" data-linenumber="1687" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1687

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<pre style="margin: 0;"> <span id="LC1687" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsLamPV</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">addFatalError</span> <span class="n" style="color: #333;">l</span> <span class="o" style="font-weight: 600;">$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1682" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1682

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<td class="diff-line-num new_line" data-linenumber="1688" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1688

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<pre style="margin: 0;"> <span id="LC1688" class="line" lang="haskell">    <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Lambda-syntax in pattern."</span> <span class="o" style="font-weight: 600;">$$</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1683" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1683

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<td class="diff-line-num new_line" data-linenumber="1689" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1689

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<pre style="margin: 0;"> <span id="LC1689" class="line" lang="haskell">    <span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Pattern matching on functions is not possible."</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1715" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -1709,8 +1715,13 @@ instance DisambECP (PatBuilder GhcPs) where</td>

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<td class="diff-line-num old_line" data-linenumber="1709" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1709

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<td class="diff-line-num new_line" data-linenumber="1715" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1715

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<pre style="margin: 0;"> <span id="LC1715" class="line" lang="haskell">    <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PatBuilderPat</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ListPat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">ps</span><span class="p">)))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1710" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1710

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<td class="diff-line-num new_line" data-linenumber="1716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1716

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<pre style="margin: 0;"> <span id="LC1716" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsSplicePV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">sp</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PatBuilderPat</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SplicePat</span> <span class="n" style="color: #333;">noExtField</span> <span class="n" style="color: #333;">sp</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1711" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1711

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<td class="diff-line-num new_line" data-linenumber="1717" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1717

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<pre style="margin: 0;"> <span id="LC1717" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsRecordPV</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">l</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">a</span> <span class="p">(</span><span class="n" style="color: #333;">fbinds</span><span class="p">,</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1712" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1712

</td>

<td class="diff-line-num new_line old" data-linenumber="1718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1712" class="line" lang="haskell">    <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkPatRec</span> <span class="n" style="color: #333;">a</span> <span class="p">(</span><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">fbinds</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="1713" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

1713

</td>

<td class="diff-line-num new_line old" data-linenumber="1718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC1713" class="line" lang="haskell">    <span class="n" style="color: #333;">checkRecordSyntax</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1718

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<pre style="margin: 0;">+<span id="LC1718" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">fs</span><span class="p">,</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partitionEithers</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fbindsToEithers</span> <span class="n" style="color: #333;">fbinds</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1719

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<pre style="margin: 0;">+<span id="LC1719" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1720" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1720

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<pre style="margin: 0;">+<span id="LC1720" class="line" lang="haskell">     <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">addFatalError</span> <span class="p">(</span><span class="n" style="color: #333;">getLoc</span> <span class="p">(</span><span class="n" style="color: #333;">head</span> <span class="n" style="color: #333;">ps</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1721" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1721

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<pre style="margin: 0;">+<span id="LC1721" class="line" lang="haskell">            <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">" Use of RecordDotSyntax `.' not valid."</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1722" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1722

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<pre style="margin: 0;">+<span id="LC1722" class="line" lang="haskell">     <span class="kr" style="font-weight: 600;">else</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="1723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC1723" class="line" lang="haskell">       <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">mkPatRec</span> <span class="n" style="color: #333;">a</span> <span class="p">(</span><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">fs</span> <span class="n" style="color: #333;">ddLoc</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="1724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1724

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<pre style="margin: 0;">+<span id="LC1724" class="line" lang="haskell">       <span class="n" style="color: #333;">checkRecordSyntax</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1714" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1714

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<td class="diff-line-num new_line" data-linenumber="1725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1725

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<pre style="margin: 0;"> <span id="LC1725" class="line" lang="haskell">  <span class="n" style="color: #333;">mkHsNegAppPV</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">lp</span> <span class="n" style="color: #333;">p</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1715" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1715

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<td class="diff-line-num new_line" data-linenumber="1726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1726

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<pre style="margin: 0;"> <span id="LC1726" class="line" lang="haskell">    <span class="n" style="color: #333;">lit</span> <span class="o" style="font-weight: 600;"><-</span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">p</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1716" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1716

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<td class="diff-line-num new_line" data-linenumber="1727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1727

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<pre style="margin: 0;"> <span id="LC1727" class="line" lang="haskell">      <span class="kt" style="color: #458; font-weight: 600;">PatBuilderOverLit</span> <span class="n" style="color: #333;">pos_lit</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;">L</span> <span class="n" style="color: #333;">lp</span> <span class="n" style="color: #333;">pos_lit</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2352" style="width: 35px; color: rgba(0,0,0,0.3); 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="2363" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2352,20 +2363,31 @@ mkRecConstrOrUpdate</td>

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<td class="diff-line-num old_line" data-linenumber="2352" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2352

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<td class="diff-line-num new_line" data-linenumber="2363" style="width: 35px; color: rgba(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="LC2363" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2353" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2353

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<td class="diff-line-num new_line" data-linenumber="2364" style="width: 35px; color: rgba(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="LC2364" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="p">([</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)],</span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">SrcSpan</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2354" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2354

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<td class="diff-line-num new_line" data-linenumber="2365" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2365

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<pre style="margin: 0;"> <span id="LC2365" class="line" lang="haskell">        <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">PV</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2355" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2355

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<td class="diff-line-num new_line old" data-linenumber="2366" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2355" class="line" lang="haskell"><span class="n" style="color: #333;">mkRecConstrOrUpdate</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsVar</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">c</span><span class="p">)))</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="n" style="color: #333;">fs</span><span class="p">,</span><span class="n" style="color: #333;">dd</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2356" style="width: 35px; color: rgba(0,0,0,0.3); 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="2366" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2366" class="line" lang="haskell"><span class="n" style="color: #333;">mkRecConstrOrUpdate</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsVar</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">c</span><span class="p">)))</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="n" style="color: #333;">f<span class="idiff left right">bind</span>s</span><span class="p">,</span><span class="n" style="color: #333;">dd</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="2367" style="width: 35px; color: rgba(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="LC2367" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">isRdrDataCon</span> <span class="n" style="color: #333;">c</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2357" style="width: 35px; color: rgba(0,0,0,0.3); 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="2368" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2357" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">mkRdrRecordCon</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">c</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">fs</span> <span class="n" style="color: #333;">dd</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2358" style="width: 35px; color: rgba(0,0,0,0.3); 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="2368" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2368" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2358" style="width: 35px; color: rgba(0,0,0,0.3); 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="2369" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2369" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">fs</span><span class="p">,</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partitionEithers</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fbindsToEithers</span> <span class="n" style="color: #333;">fbinds</span></span>

</pre>

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2370

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<pre style="margin: 0;">+<span id="LC2370" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2358" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2371" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2371

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<pre style="margin: 0;">+<span id="LC2371" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">addFatalError</span> <span class="p">(</span><span class="n" style="color: #333;">getLoc</span> <span class="p">(</span><span class="n" style="color: #333;">head</span> <span class="n" style="color: #333;">ps</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2358" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2372" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2372

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<pre style="margin: 0;">+<span id="LC2372" class="line" lang="haskell">               <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"Use of RecordDotSyntax `.' not valid."</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2358" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2373" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2373

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<pre style="margin: 0;">+<span id="LC2373" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">mkRdrRecordCon</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">l</span> <span class="n" style="color: #333;">c</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">fs</span> <span class="n" style="color: #333;">dd</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2358" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2358

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<td class="diff-line-num new_line" data-linenumber="2374" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2374

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<pre style="margin: 0;"> <span id="LC2374" class="line" lang="haskell"><span class="n" style="color: #333;">mkRecConstrOrUpdate</span> <span class="n" style="color: #333;">dot</span> <span class="n" style="color: #333;">exp</span> <span class="kr" style="font-weight: 600;">_</span> <span class="p">(</span><span class="n" style="color: #333;">fs</span><span class="p">,</span><span class="n" style="color: #333;">dd</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2359" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2359

</td>

<td class="diff-line-num new_line" data-linenumber="2375" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2375

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<pre style="margin: 0;"> <span id="LC2375" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">dd_loc</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">dd</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">addFatalError</span> <span class="n" style="color: #333;">dd_loc</span> <span class="p">(</span><span class="n" style="color: #333;">text</span> <span class="s" style="color: #d14;">"You cannot use `..' in a record update"</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2360" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2360

</td>

<td class="diff-line-num new_line old" data-linenumber="2376" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2360" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">return</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">mkRdrRecordUpd'</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dot</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">exp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fs</span></span><span class="p"><span class="idiff right">)</span></span></span>

</pre>

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

<td class="diff-line-num new old_line" data-linenumber="2361" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2376" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2376

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<pre style="margin: 0;">+<span id="LC2376" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">mkRdrRecordUpd'</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dot</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">exp</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">fs</span></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2361" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2361

</td>

<td class="diff-line-num new_line" data-linenumber="2377" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2377

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<pre style="margin: 0;"> <span id="LC2377" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2362" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2362

</td>

<td class="diff-line-num new_line old" data-linenumber="2378" style="width: 35px; color: rgba(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="LC2362" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordUpd'</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">HsExpr</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">GhcPs</span></span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2363" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2363

</td>

<td class="diff-line-num new_line old" data-linenumber="2378" style="width: 35px; color: rgba(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="LC2363" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordUpd'</span> <span class="n" style="color: #333;">dot</span> <span class="n" style="color: #333;">exp</span> <span class="n" style="color: #333;">fbinds</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2364" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2378" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2378

</td>

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<pre style="margin: 0;">+<span id="LC2378" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordUpd'</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bool</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">PV</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">HsExpr</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcPs</span></span><span class="p"><span class="idiff right">)</span></span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="2364" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2379" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2379

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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="LC2379" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordUpd'</span> <span class="n" style="color: #333;">dot</span> <span class="n" style="color: #333;">exp</span><span class="o" style="font-weight: 600;"><span class="idiff left">@</span></span><span class="p"><span class="idiff">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">L</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">lexp</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="p"><span class="idiff right">)</span></span> <span class="n" style="color: #333;">fbinds</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="2364" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2364

</td>

<td class="diff-line-num new_line" data-linenumber="2380" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2380

</td>

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

<pre style="margin: 0;"> <span id="LC2380" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">not</span> <span class="n" style="color: #333;">dot</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="2365" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2365

</td>

<td class="diff-line-num new_line old" data-linenumber="2381" style="width: 35px; color: rgba(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="LC2365" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">then</span></span>

</pre>

</td>

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2366

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<td class="diff-line-num new_line old" data-linenumber="2381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2366" class="line" lang="haskell">      <span class="n" style="color: #333;">mkRdrRecordUpd</span> <span class="n" style="color: #333;">exp</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">mk_rec_upd_field</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fbindToRecField</span> <span class="n" style="color: #333;">fbinds</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2367" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2367

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<td class="diff-line-num new_line old" data-linenumber="2381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2367" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">else</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2368" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2368

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<td class="diff-line-num new_line old" data-linenumber="2381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2368" class="line" lang="haskell">     <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">fieldUpdate</span> <span class="p">(</span><span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">exp</span><span class="p">)</span> <span class="n" style="color: #333;">fbinds</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2381" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2381

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<pre style="margin: 0;">+<span id="LC2381" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">then</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2382" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2382

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<pre style="margin: 0;">+<span id="LC2382" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">fs</span><span class="p">,</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">partitionEithers</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">fbindsToEithers</span> <span class="n" style="color: #333;">fbinds</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); 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="2383" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2383

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<pre style="margin: 0;">+<span id="LC2383" class="line" lang="haskell">      <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">null</span> <span class="n" style="color: #333;">ps</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2384

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<pre style="margin: 0;">+<span id="LC2384" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- If RecordDotSyntax is not enabled (as indicated by the</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2385

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<pre style="margin: 0;">+<span id="LC2385" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- value of 'dot'), then the lexer will never an ITproj token</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); 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="2386" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2386

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<pre style="margin: 0;">+<span id="LC2386" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- and so this case is refuted.</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2387" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2387

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<pre style="margin: 0;">+<span id="LC2387" class="line" lang="haskell">        <span class="n" style="color: #333;">panic</span> <span class="s" style="color: #d14;">"mkRdrRecordUpd': The impossible happened!"</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2388

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<pre style="margin: 0;">+<span id="LC2388" class="line" lang="haskell">        <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">mkRdrRecordUpd</span> <span class="n" style="color: #333;">exp</span> <span class="p">(</span><span class="n" style="color: #333;">map</span> <span class="p">(</span><span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">mk_rec_upd_field</span><span class="p">)</span> <span class="n" style="color: #333;">fs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2389

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<pre style="margin: 0;">+<span id="LC2389" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">else</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2390

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<pre style="margin: 0;">+<span id="LC2390" class="line" lang="haskell">     <span class="n" style="color: #333;">return</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">fieldUpdate</span> <span class="p">(</span><span class="n" style="color: #333;">unLoc</span> <span class="n" style="color: #333;">exp</span><span class="p">)</span> <span class="n" style="color: #333;">fbinds</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2369" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2369

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<td class="diff-line-num new_line" data-linenumber="2391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2391

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<pre style="margin: 0;"> <span id="LC2391" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2370" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2370

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<td class="diff-line-num new_line" data-linenumber="2392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2392

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<pre style="margin: 0;"> <span id="LC2392" class="line" lang="haskell">    <span class="n" style="color: #333;">fieldUpdate</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2371" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2371

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<td class="diff-line-num new_line" data-linenumber="2393" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2393

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<pre style="margin: 0;"> <span id="LC2393" class="line" lang="haskell">    <span class="n" style="color: #333;">fieldUpdate</span> <span class="n" style="color: #333;">acc</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">=</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2374" style="width: 35px; color: rgba(0,0,0,0.3); 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="2396" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2374,7 +2396,7 @@ mkRdrRecordUpd' dot exp fbinds =</td>

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<td class="diff-line-num old_line" data-linenumber="2374" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2374

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<td class="diff-line-num new_line" data-linenumber="2396" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2396

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<pre style="margin: 0;"> <span id="LC2396" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">field</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2375" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2375

</td>

<td class="diff-line-num new_line" data-linenumber="2397" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2397

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<pre style="margin: 0;"> <span id="LC2397" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">updField</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fmap</span> <span class="n" style="color: #333;">mk_rec_upd_field</span> <span class="n" style="color: #333;">field</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2376" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2376

</td>

<td class="diff-line-num new_line" data-linenumber="2398" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2398

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<pre style="margin: 0;"> <span id="LC2398" class="line" lang="haskell">          <span class="kr" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">unLoc</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">mkSetField</span> <span class="p">(</span><span class="n" style="color: #333;">noLoc</span> <span class="n" style="color: #333;">acc</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">updField</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2377" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2377

</td>

<td class="diff-line-num new_line old" data-linenumber="2399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2377" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="n" style="color: #333;"><span class="idiff left right">fieldUpdater</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unLoc</span> <span class="p">(</span><span class="n" style="color: #333;">fieldUpdater</span> <span class="p">(</span><span class="n" style="color: #333;">noLoc</span> <span class="n" style="color: #333;">acc</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2378" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2399" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2399

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<pre style="margin: 0;">+<span id="LC2399" class="line" lang="haskell">        <span class="kt" style="color: #458; font-weight: 600;">Pbind</span> <span class="p"><span class="idiff left">(</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">L</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff">_</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">fieldUpdater</span></span><span class="p"><span class="idiff right">)</span></span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unLoc</span> <span class="p">(</span><span class="n" style="color: #333;">fieldUpdater</span> <span class="p">(</span><span class="n" style="color: #333;">noLoc</span> <span class="n" style="color: #333;">acc</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2378" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2378

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<td class="diff-line-num new_line" data-linenumber="2400" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2400

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<pre style="margin: 0;"> <span id="LC2400" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2379" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2379

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<td class="diff-line-num new_line" data-linenumber="2401" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2401

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<pre style="margin: 0;"> <span id="LC2401" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordUpd</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LHsRecUpdField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">]</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2380" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2380

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<td class="diff-line-num new_line" data-linenumber="2402" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2402

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<pre style="margin: 0;"> <span id="LC2402" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordUpd</span> <span class="n" style="color: #333;">exp</span> <span class="n" style="color: #333;">flds</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2386" style="width: 35px; color: rgba(0,0,0,0.3); 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="2408" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2386,12 +2408,9 @@ mkRdrRecordCon :: Located RdrName -> HsRecordBinds GhcPs -> HsExpr GhcPs</td>

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<td class="diff-line-num old_line" data-linenumber="2386" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2386

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<td class="diff-line-num new_line" data-linenumber="2408" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2408

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<pre style="margin: 0;"> <span id="LC2408" class="line" lang="haskell"><span class="n" style="color: #333;">mkRdrRecordCon</span> <span class="n" style="color: #333;">con</span> <span class="n" style="color: #333;">flds</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2387" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2387

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<td class="diff-line-num new_line" data-linenumber="2409" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2409

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<pre style="margin: 0;"> <span id="LC2409" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">RecordCon</span> <span class="p">{</span> <span class="n" style="color: #333;">rcon_ext</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">noExtField</span><span class="p">,</span> <span class="n" style="color: #333;">rcon_con_name</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">con</span><span class="p">,</span> <span class="n" style="color: #333;">rcon_flds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">flds</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2388

</td>

<td class="diff-line-num new_line" data-linenumber="2410" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2410

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<pre style="margin: 0;"> <span id="LC2410" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="2389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2389

</td>

<td class="diff-line-num new_line old" data-linenumber="2411" style="width: 35px; color: rgba(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="LC2389" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="2390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2390

</td>

<td class="diff-line-num new_line old" data-linenumber="2411" style="width: 35px; color: rgba(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="LC2390" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="2391" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2391

</td>

<td class="diff-line-num new_line old" data-linenumber="2411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2391" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_fields</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Fbind</span> <span class="n" style="color: #333;">b</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;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsRecFields</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="2392" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2392

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<td class="diff-line-num new_line old" data-linenumber="2411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2392" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">fs</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsRecFields</span> <span class="p">{</span> <span class="n" style="color: #333;">rec_flds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fbindToRecField</span> <span class="n" style="color: #333;">fs</span><span class="p">,</span> <span class="n" style="color: #333;">rec_dotdot</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="p">}</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="2411" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2393" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">fs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">s</span><span class="p">)</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsRecFields</span> <span class="p">{</span> <span class="n" style="color: #333;">rec_flds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">map</span> <span class="n" style="color: #333;">fbindToRecField</span> <span class="n" style="color: #333;">fs</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC2394" class="line" lang="haskell">                                     <span class="p">,</span> <span class="n" style="color: #333;">rec_dotdot</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;">L</span> <span class="n" style="color: #333;">s</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">fs</span><span class="p">))</span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2411" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_fields</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">LHsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</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;">SrcSpan</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsRecFields</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="2412" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2412" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">flds</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsRecFields</span> <span class="p">{</span> <span class="n" style="color: #333;">rec_flds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">flds</span><span class="p">,</span> <span class="n" style="color: #333;">rec_dotdot</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2413" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_fields</span> <span class="n" style="color: #333;">flds</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">s</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">HsRecFields</span> <span class="p">{</span> <span class="n" style="color: #333;">rec_flds</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">flds</span><span class="p">,</span> <span class="n" style="color: #333;">rec_dotdot</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;">L</span> <span class="n" style="color: #333;">s</span> <span class="p">(</span><span class="n" style="color: #333;">length</span> <span class="n" style="color: #333;">flds</span><span class="p">))</span> <span class="p">}</span></span>

</pre>

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2414

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<pre style="margin: 0;"> <span id="LC2414" class="line" lang="haskell"></span>

</pre>

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2415

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<pre style="margin: 0;"> <span id="LC2415" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_upd_field</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">HsRecField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">HsRecUpdField</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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2397

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<td class="diff-line-num new_line" data-linenumber="2416" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2416

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<pre style="margin: 0;"> <span id="LC2416" class="line" lang="haskell"><span class="n" style="color: #333;">mk_rec_upd_field</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">HsRecField</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="n" style="color: #333;">loc</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">FieldOcc</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">rdr</span><span class="p">))</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">pun</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2983" style="width: 35px; color: rgba(0,0,0,0.3); 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="3002" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2983,8 +3002,9 @@ mkSet :: LHsExpr GhcPs -> Located FastString -> LHsExpr GhcPs -> LHsExpr GhcPs</td>

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<pre style="margin: 0;"> <span id="LC3002" class="line" lang="haskell"><span class="n" style="color: #333;">mkSet</span> <span class="n" style="color: #333;">a</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">L</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">fIELD</span><span class="p">)</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">set_field</span> <span class="p">`</span><span class="n" style="color: #333;">mkAppType</span><span class="p">`</span> <span class="n" style="color: #333;">mkSelector</span> <span class="n" style="color: #333;">fIELD</span> <span class="p">`</span><span class="n" style="color: #333;">mkApp</span><span class="p">`</span> <span class="n" style="color: #333;">a</span> <span class="p">`</span><span class="n" style="color: #333;">mkApp</span><span class="p">`</span> <span class="n" style="color: #333;">b</span></span>

</pre>

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2984

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<td class="diff-line-num new_line" data-linenumber="3003" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3003

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<pre style="margin: 0;"> <span id="LC3003" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC3004" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- mkFieldUpdater calculates functions representing dot notation record updates.</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="3005" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2986" class="line" lang="haskell"><span class="n" style="color: #333;">mkFieldUpdater</span> <span class="o" style="font-weight: 600;">::</span> <span class="p"><span class="idiff left">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">FastString</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LHsExpr</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcPs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">-></span></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="3005" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

3005

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<pre style="margin: 0;">+<span id="LC3005" class="line" lang="haskell"><span class="n" style="color: #333;">mkFieldUpdater</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">SrcSpan</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="p"><span class="idiff">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Located</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">FastString</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">LHsExpr</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">GhcPs</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Located</span></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span></span>

</pre>

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2987

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<td class="diff-line-num new_line" data-linenumber="3006" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3006

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<pre style="margin: 0;"> <span id="LC3006" class="line" lang="haskell"><span class="n" style="color: #333;">mkFieldUpdater</span> <span class="c1" style="color: #998; font-style: italic;">-- e.g {foo.bar.baz.quux = 43}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="3007" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

3007

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<pre style="margin: 0;">+<span id="LC3007" class="line" lang="haskell">  <span class="n" style="color: #333;">l</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2988" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2988

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<td class="diff-line-num new_line" data-linenumber="3008" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3008

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<pre style="margin: 0;"> <span id="LC3008" class="line" lang="haskell">  <span class="n" style="color: #333;">fIELDS</span> <span class="c1" style="color: #998; font-style: italic;">-- [foo, bar, baz, quux]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2989" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2989

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<td class="diff-line-num new_line" data-linenumber="3009" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3009

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<pre style="margin: 0;"> <span id="LC3009" class="line" lang="haskell">  <span class="n" style="color: #333;">arg</span> <span class="c1" style="color: #998; font-style: italic;">-- This is 'texp' (43 in the example).</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2990" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2990

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<td class="diff-line-num new_line" data-linenumber="3010" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3010

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<pre style="margin: 0;"> <span id="LC3010" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">{</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2995" style="width: 35px; color: rgba(0,0,0,0.3); 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="3015" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2995,7 +3015,7 @@ mkFieldUpdater -- e.g {foo.bar.baz.quux = 43}</td>

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2995

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<td class="diff-line-num new_line" data-linenumber="3015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3015

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<pre style="margin: 0;"> <span id="LC3015" class="line" lang="haskell">      <span class="p">;</span> <span class="n" style="color: #333;">zips</span> <span class="o" style="font-weight: 600;">=</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">final</span><span class="p">,</span> <span class="n" style="color: #333;">head</span> <span class="p">(</span><span class="n" style="color: #333;">getters</span> <span class="n" style="color: #333;">a</span><span class="p">))</span> <span class="o" style="font-weight: 600;">:</span> <span class="n" style="color: #333;">zip</span> <span class="p">(</span><span class="n" style="color: #333;">reverse</span> <span class="n" style="color: #333;">fields</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">tail</span> <span class="p">(</span><span class="n" style="color: #333;">getters</span> <span class="n" style="color: #333;">a</span><span class="p">))</span> <span class="c1" style="color: #998; font-style: italic;">-- Ordered from deep to shallow.</span></span>

</pre>

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2996

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<td class="diff-line-num new_line" data-linenumber="3016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3016

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<pre style="margin: 0;"> <span id="LC3016" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- [("quux", getField@"baz"(getField@"bar"(getField@"foo" a)), ("baz", getField@"bar"(getField@"foo" a)), ("bar", getField@"foo" a), ("foo", a)]</span></span>

</pre>

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2997

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<td class="diff-line-num new_line" data-linenumber="3017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3017

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<pre style="margin: 0;"> <span id="LC3017" class="line" lang="haskell">      <span class="p">}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2998" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2998

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<td class="diff-line-num new_line old" data-linenumber="3018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2998" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">in</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">mkSet'</span> <span class="n" style="color: #333;">arg</span> <span class="p">(</span><span class="n" style="color: #333;">zips</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="3018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

3018

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<pre style="margin: 0;">+<span id="LC3018" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">in</span> <span class="kt" style="color: #458; font-weight: 600;"><span class="idiff left">L</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">l</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff right"> </span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">foldl'</span> <span class="n" style="color: #333;">mkSet'</span> <span class="n" style="color: #333;">arg</span> <span class="p">(</span><span class="n" style="color: #333;">zips</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2999" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2999

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<td class="diff-line-num new_line" data-linenumber="3019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3019

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<pre style="margin: 0;"> <span id="LC3019" class="line" lang="haskell">          <span class="c1" style="color: #998; font-style: italic;">-- setField@"foo" (a) (setField@"bar" (getField @"foo" (a))(setField@"baz" (getField @"bar" (getField @"foo" (a)))(setField@"quux" (getField @"baz" (getField @"bar" (getField @"foo" (a))))(quux))))</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3000" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3000

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<td class="diff-line-num new_line" data-linenumber="3020" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3020

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<pre style="margin: 0;"> <span id="LC3020" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="3001" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3001

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<td class="diff-line-num new_line" data-linenumber="3021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

3021

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<pre style="margin: 0;"> <span id="LC3021" class="line" lang="haskell">      <span class="n" style="color: #333;">mkSet'</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Located</span> <span class="kt" style="color: #458; font-weight: 600;">FastString</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">LHsExpr</span> <span class="kt" style="color: #458; font-weight: 600;">GhcPs</span></span>

</pre>

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<br>

</li>

<li id="6a1c24f49c33e909b949459b59188811102a1075">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#6a1c24f49c33e909b949459b59188811102a1075"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail0.stderr</strong></a>

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<pre style="margin: 0;">-<span id="LC1" class="line" lang="plaintext">ghc: panic! (the 'impossible' happened)</span>

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<pre style="margin: 0;">-<span id="LC2" class="line" lang="plaintext">  (GHC version 8.11.0.20200909:</span>

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<pre style="margin: 0;">-<span id="LC3" class="line" lang="plaintext">      fbindToRecField: The impossible happened</span>

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<pre style="margin: 0;">-<span id="LC4" class="line" lang="plaintext"></span>

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<pre style="margin: 0;">-<span id="LC5" class="line" lang="plaintext">Please report this as a GHC bug:  https://www.haskell.org/ghc/reportabug</span></pre>

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext"> RecordDotSyntaxFail0.hs:3:12:</span>

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">    Use of RecordDotSyntax `.' not valid.</span></pre>

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<li id="9b22f38612936a00dac5dd0a4f080c5daa6480b8">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#9b22f38612936a00dac5dd0a4f080c5daa6480b8"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail1.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 RecordDotSyntax #-}</span></span>

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<pre style="margin: 0;"> <span id="LC2" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC3" class="line" lang="haskell"><span class="n" style="color: #333;">no</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span> <span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">x</span> <span class="p">}</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">undefined</span></span>

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<pre style="margin: 0;">-<span id="LC4" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Syntax error: <span class="idiff left right">"Field selector syntax is not supported in</span></span></span>

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<pre style="margin: 0;">-<span id="LC5" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">patterns."</span></span></span></pre>

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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Syntax error: <span class="idiff left right">Field selector syntax doesn't participate</span></span></span>

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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- <span class="idiff left right">in patterns</span></span></span></pre>

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<li id="d6ced01ff84088913839ff37603c277044e332e4">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#d6ced01ff84088913839ff37603c277044e332e4"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail1.stderr</strong></a>

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<pre style="margin: 0;"> <span id="LC1" class="line" lang="plaintext">RecordDotSyntaxFail1.hs:3:10:</span>

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<pre style="margin: 0;">-<span id="LC2" class="line" lang="plaintext">    <span class="idiff left right">Field selector syntax is not supported in patterns</span>.</span></pre>

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">    <span class="idiff left right">Use of RecordDotSyntax `.' not valid</span>.</span></pre>

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</li>

<li id="ab3771366bf0e126336d70f049ffad4f4da08a09">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#ab3771366bf0e126336d70f049ffad4f4da08a09"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail2.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 NoRecordDotSyntax #-}</span></span>

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2

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"></span>

</pre>

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3

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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span> <span class="n" style="color: #333;">foo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</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="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="p">{</span> <span class="n" style="color: #333;">bar</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="p">}</span></span>

</pre>

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5

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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="p">{</span> <span class="n" style="color: #333;">baz</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">}</span></span>

</pre>

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6

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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">{</span> <span class="n" style="color: #333;">quux</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="p">}</span></span>

</pre>

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7

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

</pre>

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8

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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="n" style="color: #333;">no</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span></span>

</pre>

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9

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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">no</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span> <span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">{</span> <span class="n" style="color: #333;">quux</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">42</span> <span class="p">}</span> <span class="p">}</span> <span class="p">}</span> <span class="p">}</span></span>

</pre>

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10

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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- Syntax error: RecordDotSyntax is not enabled</span></span></pre>

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<br>

</li>

<li id="23553502d5195cdcd5db6950fec8a990b7332845">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#23553502d5195cdcd5db6950fec8a990b7332845"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail2.stderr</strong></a>

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1

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">RecordDotSyntaxFail2.hs:9:15: parse error on input ‘.’</span></pre>

</td>

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<br>

</li>

<li id="bad8aabcc83c8dca4b5e52943efadbbe0a7c7132">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#bad8aabcc83c8dca4b5e52943efadbbe0a7c7132"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail3.hs</strong></a>

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1

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE AllowAmbiguousTypes, FunctionalDependencies, ScopedTypeVariables, PolyKinds, TypeApplications, DataKinds #-}</span></span>

</pre>

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2

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE NamedFieldPuns #-}</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="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE RecordWildCards #-}</span></span>

</pre>

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4

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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE RecordDotSyntax #-}</span></span>

</pre>

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5

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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"></span>

</pre>

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6

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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">class</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">r</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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7

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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell">  <span class="n" style="color: #333;">hasField</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">r</span><span class="p">,</span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"><span class="n" style="color: #333;">getField</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">r</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;">HasField</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">r</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>

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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="n" style="color: #333;">getField</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">snd</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">hasField</span> <span class="o" style="font-weight: 600;">@</span><span class="n" style="color: #333;">x</span> <span class="c1" style="color: #998; font-style: italic;">-- Note: a.x = is getField @"x" a.</span></span>

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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"><span class="n" style="color: #333;">setField</span> <span class="o" style="font-weight: 600;">::</span> <span class="n" style="color: #333;">forall</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">r</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;">HasField</span> <span class="n" style="color: #333;">x</span> <span class="n" style="color: #333;">r</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">r</span></span>

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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="n" style="color: #333;">setField</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fst</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">hasField</span> <span class="o" style="font-weight: 600;">@</span><span class="n" style="color: #333;">x</span> <span class="c1" style="color: #998; font-style: italic;">-- Note : a{x = b} is setField @"x" a b.</span></span>

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

</pre>

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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Corge' has a '&&&' field of type 'Int'</span></span>

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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="p">{</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="kt" style="color: #458; font-weight: 600;">Int</span> <span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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="LC17" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"&&&"</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</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="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="p">{</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="n" style="color: #333;">x</span><span class="p">,</span> <span class="o" style="font-weight: 600;">..</span> <span class="p">},</span> <span class="p">(</span><span class="o" style="font-weight: 600;">&&&</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC19" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"><span class="n" style="color: #333;">main</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

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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;">let</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="p">{</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="mi" style="color: #099;">12</span> <span class="p">};</span></span>

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22

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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="n" style="color: #333;">b</span><span class="o" style="font-weight: 600;">.</span><span class="p">(</span><span class="o" style="font-weight: 600;">&&&</span><span class="p">))</span></span>

</pre>

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23

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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">-- Syntax error: Dot notation is not available for fields with</span></span>

</pre>

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24

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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell">   <span class="c1" style="color: #998; font-style: italic;">-- operator names</span></span></pre>

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<br>

</li>

<li id="e847217df6c94dd1579ca98349d349e1dbb6d091">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#e847217df6c94dd1579ca98349d349e1dbb6d091"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail3.stderr</strong></a>

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1

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">RecordDotSyntaxFail3.hs:22:14: parse error on input ‘(’</span></pre>

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<br>

</li>

<li id="73a59bca5f409dfdd736d73f2ebb5bdb3a42917f">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#73a59bca5f409dfdd736d73f2ebb5bdb3a42917f"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail4.hs</strong></a>

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1

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

</pre>

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2

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"></span>

</pre>

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3

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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span> <span class="n" style="color: #333;">foo</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="p">}</span></span>

</pre>

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4

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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"></span>

</pre>

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5

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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="n" style="color: #333;">main</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

</pre>

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6

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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</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;">Foo</span> <span class="p">{</span> <span class="n" style="color: #333;">foo</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">1</span> <span class="p">}</span></span>

</pre>

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7

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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="s" style="color: #d14;">"hello"</span><span class="p">)</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="8" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

8

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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell">      <span class="c1" style="color: #998; font-style: italic;">-- Syntax error: f r .x is illegal.</span></span></pre>

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<br>

</li>

<li id="f292a93c94f13e524a0cce2fa227afd68f586dfe">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#f292a93c94f13e524a0cce2fa227afd68f586dfe"><strong>testsuite/tests/parser/should_fail/RecordDotSyntaxFail4.stderr</strong></a>

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<pre style="margin: 0;">+<span id="LC1" class="line" lang="plaintext">RecordDotSyntaxFail4.hs:7:29: error:</span>

</pre>

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2

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<pre style="margin: 0;">+<span id="LC2" class="line" lang="plaintext">    parse error on input ‘.’</span></pre>

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<br>

</li>

<li id="3577fc796b73fe1f96c77f05fcdd73a8d4bc6f66">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#3577fc796b73fe1f96c77f05fcdd73a8d4bc6f66"><strong>testsuite/tests/parser/should_fail/all.T</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="175" style="width: 35px; color: rgba(0,0,0,0.3); 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="175" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -175,3 +175,6 @@ test('T18251e', normal, compile_fail, [''])</td>

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<pre style="margin: 0;"> <span id="LC175" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">T18251f</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile_fail</span><span class="p">,</span> <span class="p">[''])</span></span>

</pre>

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176

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<pre style="margin: 0;"> <span id="LC176" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">RecordDotSyntaxFail0</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile_fail</span><span class="p">,</span> <span class="p">[''])</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC177" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">RecordDotSyntaxFail1</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile_fail</span><span class="p">,</span> <span class="p">[''])</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC178" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">RecordDotSyntaxFail2</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile_fail</span><span class="p">,</span> <span class="p">[''])</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC179" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">RecordDotSyntaxFail3</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile_fail</span><span class="p">,</span> <span class="p">[''])</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC180" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">RecordDotSyntaxFail4</span><span class="p">',</span> <span class="nv" style="color: #008080;">normal</span><span class="p">,</span> <span class="nv" style="color: #008080;">compile_fail</span><span class="p">,</span> <span class="p">[''])</span></span></pre>

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</li>

<li id="1225eef69222835430509ff2a33dccbee6d377ef">

<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a1e418ad614bf4c7b22814d2f2a24328e7da55ef#1225eef69222835430509ff2a33dccbee6d377ef"><strong>testsuite/tests/parser/should_run/RecordDotSyntax.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="17" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -17,52 +17,52 @@ setField :: forall x r a . HasField x r a => r -> a -> r</td>

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<pre style="margin: 0;"> <span id="LC17" class="line" lang="haskell"><span class="n" style="color: #333;">setField</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fst</span> <span class="o" style="font-weight: 600;">.</span> <span class="n" style="color: #333;">hasField</span> <span class="o" style="font-weight: 600;">@</span><span class="n" style="color: #333;">x</span> <span class="c1" style="color: #998; font-style: italic;">-- Note : a{x = b} is setField @"x" a b.</span></span>

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<pre style="margin: 0;"> <span id="LC18" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC19" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Foo' has 'foo' field of type 'Bar'</span></span>

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<pre style="margin: 0;">-<span id="LC20" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Bar</span></span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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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<pre style="margin: 0;"> <span id="LC21" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"foo"</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC22" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Foo</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="n" style="color: #333;">foo</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Foo</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="n" style="color: #333;">foo</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC23" class="line" lang="haskell"></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;">-- 'Bar' has a 'bar' field of type 'Baz'</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="25" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC25" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Baz</span></span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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 new old_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<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">

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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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_line" data-linenumber="26" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC26" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"bar"</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC27" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="n" style="color: #333;">bar</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="28" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="n" style="color: #333;">bar</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="28" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC28" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="29" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC29" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Baz' has a 'baz' field of type 'Quux'</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<td class="diff-line-num new_line old" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Quux</span></span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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 new old_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<td class="diff-line-num new new_line" data-linenumber="30" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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_line" data-linenumber="31" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC31" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"baz"</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC32" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="n" style="color: #333;">baz</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Baz</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="n" style="color: #333;">baz</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC33" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC34" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Quux' has a 'quux' field of type 'Int'</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC35" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Int</span></span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Int</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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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<pre style="margin: 0;"> <span id="LC36" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"quux"</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="kr" style="font-weight: 600;">where</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC37" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="n" style="color: #333;">quux</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="n" style="color: #333;">quux</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC38" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;"> <span id="LC39" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Corge' has a '&&&' field of type 'Int'</span></span>

</pre>

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<td class="diff-line-num new_line old" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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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;">Corge</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="p">{<span class="idiff left">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">&&&</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">Int</span></span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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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<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;">Corge</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="p">{</span><span class="idiff left"> </span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">&&&</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">::</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Int</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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="LC41" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"&&&"</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC42" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Corge</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">&&&</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="p">(</span><span class="o" style="font-weight: 600;">&&&</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC42" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Corge</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">&&&</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="p">(</span><span class="o" style="font-weight: 600;">&&&</span><span class="p">)</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC43" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note : Dot notation is not available for fields with operator</span></span>

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<pre style="margin: 0;"> <span id="LC44" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- names.</span></span>

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<pre style="margin: 0;"> <span id="LC45" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Grault' has two fields 'f' and 'g' of type 'Foo'.</span></span>

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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span> <span class="p">{</span><span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span><span class="p">,</span> <span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span><span class="p">}</span> <span class="kr" style="font-weight: 600;">deriving</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</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="LC48" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"f"</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC49" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Grault</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Grault</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC50" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">instance</span> <span class="kt" style="color: #458; font-weight: 600;">HasField</span> <span class="s" style="color: #d14;">"g"</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="kr" style="font-weight: 600;">where</span></span>

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<pre style="margin: 0;">-<span id="LC51" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span><span class="p"><span class="idiff left">{</span></span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Grault</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff right">..</span></span><span class="p">},</span> <span class="n" style="color: #333;">g</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC51" class="line" lang="haskell">    <span class="n" style="color: #333;">hasField</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">-></span> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">r</span> <span class="kr" style="font-weight: 600;">of</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span><span class="idiff left"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Grault</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">x</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">..</span></span><span class="idiff right"> </span><span class="p">},</span> <span class="n" style="color: #333;">g</span> <span class="n" style="color: #333;">r</span><span class="p">)</span></span>

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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 class="n" style="color: #333;">main</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>

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<pre style="margin: 0;">-<span id="LC54" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</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;">Foo</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">42</span></span><span class="p"><span class="idiff right">}}}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC55" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span><span class="p">{<span class="idiff left">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">&&&</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">12</span></span><span class="p">};</span></span>

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<pre style="margin: 0;">+<span id="LC54" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</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;">Foo</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">42</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff right"> </span><span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC55" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Corge</span><span class="p">{</span><span class="idiff left"> </span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: 600;"><span class="idiff">&&&</span></span><span class="p"><span class="idiff">)</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">12</span></span><span class="idiff right"> </span><span class="p">};</span></span>

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<pre style="margin: 0;"> <span id="LC56" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">c</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Grault</span> <span class="p">{</span></span>

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<pre style="margin: 0;">-<span id="LC57" class="line" lang="haskell">        <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">1</span></span><span class="p"><span class="idiff right">}}}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC58" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">1</span></span><span class="p"><span class="idiff right">}}}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC59" class="line" lang="haskell">      <span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC57" class="line" lang="haskell">        <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">1</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff right"> </span><span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC58" class="line" lang="haskell">      <span class="p">,</span> <span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Foo</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">1</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff right"> </span><span class="p">}</span></span>

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<pre style="margin: 0;">+<span id="LC59" class="line" lang="haskell">      <span class="idiff left right"> </span><span class="p">}</span></span>

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

</pre>

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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- A "selector" is an expression like '(.a)' or '(.a.b)'.</span></span>

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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell">  <span class="n" style="color: #333;">putStrLn</span> <span class="s" style="color: #d14;">"-- selectors:"</span></span>

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<pre style="margin: 0;">-<span id="LC63" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="p">)</span> <span class="n" style="color: #333;">a</span>  <span class="c1" style="color: #998; font-style: italic;">-- Bar {<span class="idiff left right">bar = Baz {baz = Quux {quux = 42}}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC64" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="p">)</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Baz {<span class="idiff left right">baz = Quux {quux = 42}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC65" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="p">)</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Quux {<span class="idiff left right">quux = 42</span>}</span></span>

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<pre style="margin: 0;">+<span id="LC63" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="p">)</span> <span class="n" style="color: #333;">a</span>  <span class="c1" style="color: #998; font-style: italic;">-- Bar {<span class="idiff left right"> bar = Baz { baz = Quux { quux = 42 } } </span>}</span></span>

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<pre style="margin: 0;">+<span id="LC64" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="p">)</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Baz {<span class="idiff left right"> baz = Quux { quux = 42 } </span>}</span></span>

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<pre style="margin: 0;">+<span id="LC65" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="p">)</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Quux {<span class="idiff left right"> quux = 42 </span>}</span></span>

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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">quux</span><span class="p">)</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- 42</span></span>

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<pre style="margin: 0;"> <span id="LC67" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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="n" style="color: #333;">b</span><span class="p">)</span> <span class="c1" style="color: #998; font-style: italic;">-- 12</span></span>

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<pre style="margin: 0;"> <span id="LC68" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- print $ (b.(&&&)) -- illegal : parse error on input ‘(’</span></span>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -71,9 +71,9 @@ main = do</td>

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<pre style="margin: 0;"> <span id="LC71" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- A "selection" is an expression like 'r.a' or '(f r).a.b'.</span></span>

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<pre style="margin: 0;"> <span id="LC72" class="line" lang="haskell">  <span class="n" style="color: #333;">putStrLn</span> <span class="s" style="color: #d14;">"-- selections:"</span></span>

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<pre style="margin: 0;"> <span id="LC73" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">quux</span> <span class="c1" style="color: #998; font-style: italic;">-- 42</span></span>

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<td class="diff-line-num new_line old" data-linenumber="74" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC74" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span> <span class="c1" style="color: #998; font-style: italic;">-- Quux {<span class="idiff left right">quux = 42</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC75" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span> <span class="c1" style="color: #998; font-style: italic;">-- Baz {<span class="idiff left right">baz = Quux {quux = 42}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC76" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span> <span class="c1" style="color: #998; font-style: italic;">-- Bar {<span class="idiff left right">bar = Baz {baz = Quux {quux = 42}}</span>}</span></span>

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<pre style="margin: 0;">+<span id="LC74" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span> <span class="c1" style="color: #998; font-style: italic;">-- Quux {<span class="idiff left right"> quux = 42 </span>}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC75" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span> <span class="c1" style="color: #998; font-style: italic;">-- Baz {<span class="idiff left right"> baz = Quux { quux = 42 } </span>}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC76" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span> <span class="c1" style="color: #998; font-style: italic;">-- Bar {<span class="idiff left right"> bar = Baz { baz = Quux { quux = 42 } } </span>}</span></span>

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<pre style="margin: 0;"> <span id="LC77" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="s" style="color: #d14;">"hello"</span><span class="p">)</span> <span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span>  <span class="c1" style="color: #998; font-style: italic;">-- f r.x means f (r.x)</span></span>

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<pre style="margin: 0;"> <span id="LC78" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- print $ f a .foo  -- f r .x is illegal</span></span>

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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="n" style="color: #333;">const</span> <span class="s" style="color: #d14;">"hello"</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">id</span> <span class="n" style="color: #333;">a</span><span class="p">)</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span>  <span class="c1" style="color: #998; font-style: italic;">-- f (g r).x means f ((g r).x)</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">@@ -86,30 +86,30 @@ main = do</td>

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<pre style="margin: 0;"> <span id="LC86" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">id</span> <span class="n" style="color: #333;">a</span><span class="p">)</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">quux</span> <span class="mi" style="color: #099;">1</span> <span class="c1" style="color: #998; font-style: italic;">-- 43</span></span>

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<pre style="margin: 0;"> <span id="LC87" class="line" lang="haskell">  <span class="n" style="color: #333;">print</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;">id</span> <span class="n" style="color: #333;">a</span><span class="p">)</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</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;">baz</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">quux</span><span class="p">))</span> <span class="mi" style="color: #099;">1</span> <span class="c1" style="color: #998; font-style: italic;">-- 43</span></span>

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<pre style="margin: 0;"> <span id="LC88" class="line" lang="haskell"></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;">-- An "update" is an expression like 'r{<span class="idiff left right">a.b = 12</span>}'.</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;">-- An "update" is an expression like 'r{<span class="idiff left right"> a.b = 12 </span>}'.</span></span>

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<pre style="margin: 0;"> <span id="LC90" class="line" lang="haskell">  <span class="n" style="color: #333;">putStrLn</span> <span class="s" style="color: #d14;">"-- updates:"</span></span>

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<pre style="margin: 0;">-<span id="LC91" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="p">)</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">2</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Quux {quux = 2</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC92" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="mi" style="color: #099;"><span class="idiff">1</span></span><span class="p"><span class="idiff">}}})</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Bar {bar = Baz {baz = Quux {quux = 1}}</span>}</span></span>

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<pre style="margin: 0;">-<span id="LC93" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">bar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">44</span></span><span class="p"><span class="idiff right">}}</span>}</span></span>

</pre>

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

94

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<td class="diff-line-num new_line old" data-linenumber="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC94" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">44</span></span><span class="p"><span class="idiff">}}}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 44}}}</span>}</span></span>

</pre>

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

95

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<td class="diff-line-num new_line old" data-linenumber="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC95" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">45</span></span><span class="p"><span class="idiff">}}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 45}}}</span>}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

96

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<td class="diff-line-num new_line old" data-linenumber="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC96" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">46</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 46}}}</span>}</span></span>

</pre>

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

97

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<td class="diff-line-num new_line old" data-linenumber="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC97" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">f</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">3</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">4</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Grault {f = Foo {foo = Bar {bar = Baz {baz = Quux {quux = 3}}}}, g = Foo {foo = Bar {bar = Baz {baz = Quux {quux = 4}}}}</span>}</span></span>

</pre>

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

98

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<td class="diff-line-num new_line old" data-linenumber="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC98" class="line" lang="haskell"></span>

</pre>

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

99

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<td class="diff-line-num new_line old" data-linenumber="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC99" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- A "punned update" is an expression like 'r{<span class="idiff left right">a.b</span>}' (where it is</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); 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="91" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

91

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<pre style="margin: 0;">+<span id="LC91" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="n" style="color: #333;">a</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">foo</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">bar</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baz</span><span class="p">)</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">2</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Quux { quux = 2 </span>}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); 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="92" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

92

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<pre style="margin: 0;">+<span id="LC92" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="p">(</span><span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">b</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="mi" style="color: #099;"><span class="idiff">1</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">})</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Bar { bar = Baz { baz = Quux { quux = 1 } } </span>}</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); 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="93" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

93

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<pre style="margin: 0;">+<span id="LC93" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">bar</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Bar</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">44</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff right"> </span><span class="p">}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="94" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

94

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<pre style="margin: 0;">+<span id="LC94" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">44</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 44 } } } </span>}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="95" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

95

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<pre style="margin: 0;">+<span id="LC95" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">45</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 45 } } } </span>}</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">

96

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<pre style="margin: 0;">+<span id="LC96" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">46</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 46 } } } </span>}</span></span>

</pre>

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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">

97

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<pre style="margin: 0;">+<span id="LC97" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">3</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">4</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Grault { f = Foo { foo = Bar { bar = Baz { baz = Quux { quux = 3 } } } }, g = Foo { foo = Bar { bar = Baz { baz = Quux { quux = 4 } } } } </span>}</span></span>

</pre>

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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>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); 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="99" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

99

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<pre style="margin: 0;">+<span id="LC99" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- A "punned update" is an expression like 'r{<span class="idiff left right"> a.b </span>}' (where it is</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- understood that 'b' is a variable binding in the environment of</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

101

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<td class="diff-line-num new_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

101

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<pre style="margin: 0;"> <span id="LC101" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- the field update - enabled only when the extension</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

102

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<td class="diff-line-num new_line" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

102

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<pre style="margin: 0;"> <span id="LC102" class="line" lang="haskell">  <span class="c1" style="color: #998; font-style: italic;">-- 'NamedFieldPuns' is in effect).</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

103

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<td class="diff-line-num new_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

103

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<pre style="margin: 0;"> <span id="LC103" class="line" lang="haskell">  <span class="n" style="color: #333;">putStrLn</span> <span class="s" style="color: #d14;">"-- punned updates:"</span></span>

</pre>

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

104

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<pre style="margin: 0;">-<span id="LC104" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">quux</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">102</span><span class="p">;</span> <span class="n" style="color: #333;">baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">quux</span></span><span class="p"><span class="idiff">};</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="p"><span class="idiff">};</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 102}}}</span>}</span></span>

</pre>

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

105

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

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<pre style="margin: 0;">-<span id="LC105" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 102}}}</span>}</span></span>

</pre>

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

106

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

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<pre style="margin: 0;">-<span id="LC106" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 102}}}</span>}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

107

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<pre style="margin: 0;">-<span id="LC107" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 102}}}</span>}</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

108

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

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<pre style="margin: 0;">-<span id="LC108" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">foo</span></span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo {foo = Bar {bar = Baz {baz = Quux {quux = 102}}}</span>}</span></span>

</pre>

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

109

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<pre style="margin: 0;">-<span id="LC109" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Foo {<span class="idiff left right">foo = Bar {bar = Baz {baz = Quux {quux = 42}}}</span>}</span></span>

</pre>

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

110

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

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<pre style="margin: 0;">-<span id="LC110" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">f</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">4</span></span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- Mix punned and explicit; 102, 4</span></span>

</pre>

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

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<td class="diff-line-num new new_line" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

104

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<pre style="margin: 0;">+<span id="LC104" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">quux</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">102</span><span class="p">;</span> <span class="n" style="color: #333;">baz</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Quux</span> <span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">};</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">};</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">Bar</span></span><span class="idiff"> </span><span class="p"><span class="idiff">{</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 102 } } } </span>}</span></span>

</pre>

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

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

105

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<pre style="margin: 0;">+<span id="LC105" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 102 } } } </span>}</span></span>

</pre>

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

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<td class="diff-line-num new new_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

106

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<pre style="margin: 0;">+<span id="LC106" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 102 } } } </span>}</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

107

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<pre style="margin: 0;">+<span id="LC107" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 102 } } } </span>}</span></span>

</pre>

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</td>

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

108

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<pre style="margin: 0;">+<span id="LC108" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="idiff"> </span><span class="p"><span class="idiff">}</span></span><span class="idiff"> </span><span class="c1" style="color: #998; font-style: italic;"><span class="idiff right">-- Foo { foo = Bar { bar = Baz { baz = Quux { quux = 102 } } } </span>}</span></span>

</pre>

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

</td>

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

109

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<pre style="margin: 0;">+<span id="LC109" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">a</span> <span class="c1" style="color: #998; font-style: italic;">-- Foo {<span class="idiff left right"> foo = Bar { bar = Baz { baz = Quux { quux = 42 } } } </span>}</span></span>

</pre>

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

</td>

<td class="diff-line-num new new_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

110

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<pre style="margin: 0;">+<span id="LC110" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">4</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- Mix punned and explicit; 102, 4</span></span>

</pre>

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

111

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

111

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<pre style="margin: 0;"> <span id="LC111" class="line" lang="haskell">  <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">a</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

112

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<td class="diff-line-num new_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

112

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<pre style="margin: 0;"> <span id="LC112" class="line" lang="haskell">  <span class="n" style="color: #333;">g</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">pure</span> <span class="n" style="color: #333;">a</span></span>

</pre>

</td>

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

<td class="diff-line-num old old_line" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

113

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<td class="diff-line-num new_line old" data-linenumber="113" style="width: 35px; color: rgba(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="LC113" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left right">f</span></span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- 42, 1</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

114

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<td class="diff-line-num new_line old" data-linenumber="113" style="width: 35px; color: rgba(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="LC114" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">f</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">g</span></span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- 42, 42</span></span>

</pre>

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

115

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<td class="diff-line-num new_line old" data-linenumber="113" style="width: 35px; color: rgba(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="LC115" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="n" style="color: #333;"><span class="idiff left">f</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">4</span></span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- Mix top-level and nested updates; 42, 4</span></span></pre>

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<td class="diff-line-num new old_line" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

113

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<pre style="margin: 0;">+<span id="LC113" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- 42, 1</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

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

114

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<pre style="margin: 0;">+<span id="LC114" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- 42, 42</span></span>

</pre>

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

<td class="diff-line-num new old_line" data-linenumber="116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

115

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<pre style="margin: 0;">+<span id="LC115" class="line" lang="haskell">  <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">c</span><span class="p">{</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">f</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">g</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">foo</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">bar</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">baz</span></span><span class="o" style="font-weight: 600;"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">quux</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">4</span></span><span class="idiff right"> </span><span class="p">}</span> <span class="c1" style="color: #998; font-style: italic;">-- Mix top-level and nested updates; 42, 4</span></span></pre>

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