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<h3>

Ben Gamari pushed to branch wip/keepAlive-optionB

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/98a7b602a76be56ef002a35cdcd6db14297b8a4f">98a7b602</a></strong>

<div>

<span>by Ben Gamari</span>

<i>at 2020-09-09T21:09:09+00:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">base: Use keepAlive# in withForeignPtr

</pre>

</li>

<li>

<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e09f8c4d7f87c703a5428723354f8527a3420e1e">e09f8c4d</a></strong>

<div>

<span>by GHC GitLab CI</span>

<i>at 2020-09-09T21:28:41+00:00</i>

</div>

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

</pre>

</li>

</ul>

<h4>4 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#f168a93cde5e2aec2441d6331dfe500172df4af3">

compiler/GHC/Core/Opt/Simplify.hs

</a>

</li>

<li class="file-stats">

<a href="#a5d27de4e3111a69f69902c65ecf7b3379f7c49a">

compiler/GHC/CoreToStg/Prep.hs

</a>

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<li class="file-stats">

<a href="#67eb7bf6167db761647d70b8c599a9f0b917dcfe">

libraries/base/Foreign/ForeignPtr/Imp.hs

</a>

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<li class="file-stats">

<a href="#269448746b2d7046ede74979e927b8642db7271f">

libraries/base/GHC/ForeignPtr.hs

</a>

</li>

</ul>

<h4>Changes:</h4>

<li id="f168a93cde5e2aec2441d6331dfe500172df4af3">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/84923598ec40dffaa9d2ab5712c63795d63f854c...e09f8c4d7f87c703a5428723354f8527a3420e1e#f168a93cde5e2aec2441d6331dfe500172df4af3"><strong>compiler/GHC/Core/Opt/Simplify.hs</strong></a>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2011" style="width: 35px; color: rgba(0,0,0,0.3); 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="2011" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2011,16 +2011,20 @@ rebuildCall env fun_info</td>

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<td class="diff-line-num old_line" data-linenumber="2011" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2011

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2011

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<pre style="margin: 0;"> <span id="LC2011" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildCall</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rev_args</span> <span class="p">})</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2012

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<td class="diff-line-num new_line" data-linenumber="2012" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2012

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<pre style="margin: 0;"> <span id="LC2012" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rebuild</span> <span class="n" style="color: #333;">env</span> <span class="p">(</span><span class="n" style="color: #333;">argInfoExpr</span> <span class="n" style="color: #333;">fun</span> <span class="n" style="color: #333;">rev_args</span><span class="p">)</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2013

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<td class="diff-line-num new_line" data-linenumber="2013" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2013

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<pre style="margin: 0;"> <span id="LC2013" class="line" lang="haskell"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2014" style="width: 35px; color: rgba(0,0,0,0.3); 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="2014" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2014

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<pre style="margin: 0;">+<span id="LC2014" class="line" lang="haskell"><span class="cd">-- | Simplifications of runRW# and keepAlive#</span></span>

</pre>

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2014

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<td class="diff-line-num new_line" data-linenumber="2015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2015

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<pre style="margin: 0;"> <span id="LC2015" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildContOpCall</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">SimplEnv</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">SimplCont</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SimplM</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">SimplFloats</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">OutExpr</span><span class="p">))</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2015" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2015

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<td class="diff-line-num new_line old" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2015" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">---------- The runRW# rule. Do this after absorbing all arguments ------</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2016

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<td class="diff-line-num new_line old" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2016" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Simplification of runRW#] in GHC.CoreToSTG.Prep.</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2017

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<td class="diff-line-num new_line old" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2017" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

</pre>

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2018

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<td class="diff-line-num new_line old" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2018" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- runRW# :: forall (r :: RuntimeRep) (o :: TYPE r). (State# RealWorld -> o) -> o</span></span>

</pre>

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<td class="diff-line-num old old_line" data-linenumber="2019" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2019

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<td class="diff-line-num new_line old" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2019" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- K[ runRW# rr ty body ]   -->   runRW rr' ty' (\s. K[ body s ])</span></span>

</pre>

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2020

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<td class="diff-line-num new_line" data-linenumber="2016" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2016

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<pre style="margin: 0;"> <span id="LC2016" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildContOpCall</span> <span class="n" style="color: #333;">_env</span> <span class="n" style="color: #333;">_arg_info</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2021

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<td class="diff-line-num new_line" data-linenumber="2017" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2017

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<pre style="margin: 0;"> <span id="LC2017" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">not</span> <span class="p">(</span><span class="n" style="color: #333;">contIsStop</span> <span class="n" style="color: #333;">cont</span><span class="p">)</span>  <span class="c1" style="color: #998; font-style: italic;">-- Don't fiddle around if the continuation is boring</span></span>

</pre>

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2022

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<td class="diff-line-num new_line" data-linenumber="2018" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2018

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<pre style="margin: 0;"> <span id="LC2018" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>

</pre>

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2023

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2019

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<pre style="margin: 0;"> <span id="LC2019" class="line" lang="haskell"></span>

</pre>

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</td>

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2020

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<pre style="margin: 0;">+<span id="LC2020" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Simplification of runRW#] in GHC.CoreToSTG.Prep.</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="2021" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2021

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<pre style="margin: 0;">+<span id="LC2021" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2022" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2022

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<pre style="margin: 0;">+<span id="LC2022" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- N.B. runRW# :: forall (r :: RuntimeRep) (o :: TYPE r).</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2023" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2023

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<pre style="margin: 0;">+<span id="LC2023" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--                (State# RealWorld -> o) -> o</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2024

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<pre style="margin: 0;">+<span id="LC2024" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2025" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2025

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<pre style="margin: 0;">+<span id="LC2025" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   K[ runRW# rr ty body ]</span></span>

</pre>

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</td>

<td class="diff-line-num new new_line" data-linenumber="2026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2026

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<pre style="margin: 0;">+<span id="LC2026" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--       ~></span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2027" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2027

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<pre style="margin: 0;">+<span id="LC2027" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   runRW rr' ty' (\s. K[ body s ])</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2024" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2024

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<td class="diff-line-num new_line" data-linenumber="2028" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2028

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<pre style="margin: 0;"> <span id="LC2028" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildContOpCall</span></span>

</pre>

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2025

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<td class="diff-line-num new_line" data-linenumber="2029" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2029

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<pre style="margin: 0;"> <span id="LC2029" class="line" lang="haskell">    <span class="n" style="color: #333;">env</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2026" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2026

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<td class="diff-line-num new_line" data-linenumber="2030" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2030

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<pre style="margin: 0;"> <span id="LC2030" class="line" lang="haskell">    <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_id</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rev_args</span> <span class="p">})</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2033" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

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

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -2033,9 +2037,10 @@ rebuildContOpCall</td>

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2033

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

2037

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<pre style="margin: 0;"> <span id="LC2037" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">m</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">splitFunTy</span> <span class="n" style="color: #333;">fun_ty</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2034" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2034

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

2038

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<pre style="margin: 0;"> <span id="LC2038" class="line" lang="haskell">             <span class="n" style="color: #333;">env'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">arg_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="p">`</span><span class="n" style="color: #333;">addNewInScopeIds</span><span class="p">`</span> <span class="p">[</span><span class="n" style="color: #333;">s</span><span class="p">]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2035" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2035

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

2039

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<pre style="margin: 0;"> <span id="LC2039" class="line" lang="haskell">             <span class="n" style="color: #333;">ty'</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">contResultType</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

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

</td>

<td class="diff-line-num new new_line" data-linenumber="2040" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2040

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<pre style="margin: 0;">+<span id="LC2040" class="line" lang="haskell">             <span class="n" style="color: #333;">k'_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTy</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">realWorldStatePrimTy</span> <span class="n" style="color: #333;">ty'</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2036" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2036

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<td class="diff-line-num new_line" data-linenumber="2041" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2041

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<pre style="margin: 0;"> <span id="LC2041" class="line" lang="haskell">             <span class="n" style="color: #333;">cont'</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">s</span></span>

</pre>

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

2037

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<td class="diff-line-num new_line" data-linenumber="2042" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2042

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<pre style="margin: 0;"> <span id="LC2042" class="line" lang="haskell">                                <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">env'</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="2038" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2038

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<pre style="margin: 0;">-<span id="LC2038" class="line" lang="haskell">                                <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left">mkVisFunTy</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">m</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">realWorldStatePrimTy</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">ty'</span></span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2043" class="line" lang="haskell">                                <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left right">k'_ty</span></span> <span class="p">}</span></span>

</pre>

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2039

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2044

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<pre style="margin: 0;"> <span id="LC2044" class="line" lang="haskell">                     <span class="c1" style="color: #998; font-style: italic;">-- cont' applies to s, then K</span></span>

</pre>

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2045

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<pre style="margin: 0;"> <span id="LC2045" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">body'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">arg</span> <span class="n" style="color: #333;">cont'</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2046" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">arg'</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Lam</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">body'</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2043" style="width: 35px; color: rgba(0,0,0,0.3); 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="2048" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2043,6 +2048,11 @@ rebuildContOpCall</td>

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<pre style="margin: 0;"> <span id="LC2048" class="line" lang="haskell">             <span class="n" style="color: #333;">call'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun_id</span><span class="p">)</span> <span class="p">[</span><span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">rr'</span><span class="p">,</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">ty'</span><span class="p">,</span> <span class="n" style="color: #333;">arg'</span><span class="p">]</span></span>

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<pre style="margin: 0;"> <span id="LC2049" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="n" style="color: #333;">emptyFloats</span> <span class="n" style="color: #333;">env</span><span class="p">,</span> <span class="n" style="color: #333;">call'</span><span class="p">)</span> <span class="p">}</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2050" class="line" lang="haskell"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2051" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- See Note [Simplification of keepAlive#] in GHC.CoreToStg.Prep.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC2052" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="2053" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2053" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   K[keepAlive# @a_rep @a @r_rep @r x s k]</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="2054" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2054" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--       ~></span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="2055" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC2055" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--   keepAlive# @a_rep @a @r_rep @r x s K[k]</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="2056" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2056

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<pre style="margin: 0;"> <span id="LC2056" class="line" lang="haskell"><span class="n" style="color: #333;">rebuildContOpCall</span></span>

</pre>

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<td class="diff-line-num new_line" data-linenumber="2057" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2057

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<pre style="margin: 0;"> <span id="LC2057" class="line" lang="haskell">    <span class="n" style="color: #333;">env</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC2058" class="line" lang="haskell">    <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ArgInfo</span> <span class="p">{</span> <span class="n" style="color: #333;">ai_fun</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">fun_id</span><span class="p">,</span> <span class="n" style="color: #333;">ai_args</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rev_args</span> <span class="p">})</span></span>

</pre>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="2058" style="width: 35px; color: rgba(0,0,0,0.3); 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="2068" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -2058,17 +2068,20 @@ rebuildContOpCall</td>

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2058

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<td class="diff-line-num new_line" data-linenumber="2068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2068

</td>

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<pre style="margin: 0;"> <span id="LC2068" class="line" lang="haskell">    <span class="p">]</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">rev_args</span></span>

</pre>

</td>

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

<td class="diff-line-num old_line" data-linenumber="2059" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2059

</td>

<td class="diff-line-num new_line" data-linenumber="2069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2069

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<pre style="margin: 0;"> <span id="LC2069" 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="o" style="font-weight: 600;">$</span></span>

</pre>

</td>

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

<td class="diff-line-num old_line" data-linenumber="2060" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2060

</td>

<td class="diff-line-num new_line" data-linenumber="2070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2070

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<pre style="margin: 0;"> <span id="LC2070" class="line" lang="haskell">    <span class="kr" style="font-weight: 600;">do</span> <span class="p">{</span> <span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">newId</span> <span class="p">(</span><span class="n" style="color: #333;">fsLit</span> <span class="s" style="color: #d14;">"s"</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">One</span> <span class="n" style="color: #333;">realWorldStatePrimTy</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="2061" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2061

</td>

<td class="diff-line-num new_line old" data-linenumber="2071" style="width: 35px; color: rgba(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="LC2061" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">k_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">k_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="p">`</span><span class="n" style="color: #333;">addNewInScopeIds</span><span class="p">`</span> <span class="p">[</span><span class="n" style="color: #333;">s</span><span class="p">]</span></span>

</pre>

</td>

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

<td class="diff-line-num old old_line" data-linenumber="2062" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2062

</td>

<td class="diff-line-num new_line old" data-linenumber="2071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2062" class="line" lang="haskell">             <span class="n" style="color: #333;">k_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">s</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="2063" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2063

</td>

<td class="diff-line-num new_line old" data-linenumber="2071" style="width: 35px; color: rgba(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="LC2063" class="line" lang="haskell">                                 <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">k_env</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span><span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">undefined</span> <span class="p">}</span></span>

</pre>

</td>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2071

</td>

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

<pre style="margin: 0;">+<span id="LC2071" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="p">(</span><span class="n" style="color: #333;">m</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">,</span><span class="kr" style="font-weight: 600;">_</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">splitFunTy</span> <span class="n" style="color: #333;">fun_ty</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2072" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2072

</td>

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

<pre style="margin: 0;">+<span id="LC2072" class="line" lang="haskell">             <span class="n" style="color: #333;">k_env</span>   <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">k_se</span> <span class="p">`</span><span class="n" style="color: #333;">setInScopeFromE</span><span class="p">`</span> <span class="n" style="color: #333;">env</span><span class="p">)</span> <span class="p">`</span><span class="n" style="color: #333;">addNewInScopeIds</span><span class="p">`</span> <span class="p">[</span><span class="n" style="color: #333;">s</span><span class="p">]</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2073" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2073

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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="LC2073" class="line" lang="haskell">             <span class="n" style="color: #333;">ty'</span>     <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">contResultType</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

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

2074

</td>

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

<pre style="margin: 0;">+<span id="LC2074" class="line" lang="haskell">             <span class="n" style="color: #333;">k'_ty</span>   <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkVisFunTy</span> <span class="n" style="color: #333;">m</span> <span class="n" style="color: #333;">realWorldStatePrimTy</span> <span class="n" style="color: #333;">ty'</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2075" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2075

</td>

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

<pre style="margin: 0;">+<span id="LC2075" class="line" lang="haskell">             <span class="n" style="color: #333;">k_cont</span>  <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">ApplyToVal</span> <span class="p">{</span> <span class="n" style="color: #333;">sc_dup</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Simplified</span><span class="p">,</span> <span class="n" style="color: #333;">sc_arg</span> <span class="o" style="font-weight: 600;">=</span> <span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">s</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="2076" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

2076

</td>

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

<pre style="margin: 0;">+<span id="LC2076" class="line" lang="haskell">                                  <span class="p">,</span> <span class="n" style="color: #333;">sc_env</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">k_env</span><span class="p">,</span> <span class="n" style="color: #333;">sc_cont</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num new old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

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

2077

</td>

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

<pre style="margin: 0;">+<span id="LC2077" class="line" lang="haskell">                                  <span class="p">,</span> <span class="n" style="color: #333;">sc_hole_ty</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">k'_ty</span> <span class="p">}</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num old_line" data-linenumber="2064" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2064

</td>

<td class="diff-line-num new_line" data-linenumber="2078" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2078

</td>

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

<pre style="margin: 0;"> <span id="LC2078" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">k'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExprC</span> <span class="n" style="color: #333;">k_env</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">k_cont</span></span>

</pre>

</td>

</tr>

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

<td class="diff-line-num old_line" data-linenumber="2065" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2065

</td>

<td class="diff-line-num new_line" data-linenumber="2079" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2079

</td>

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

<pre style="margin: 0;"> <span id="LC2079" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">env'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">zapSubstEnv</span> <span class="n" style="color: #333;">env</span></span>

</pre>

</td>

</tr>

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<td class="diff-line-num old_line" data-linenumber="2066" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2066

</td>

<td class="diff-line-num new_line" data-linenumber="2080" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2080

</td>

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<pre style="margin: 0;"> <span id="LC2080" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">s0'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExpr</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">s0</span></span>

</pre>

</td>

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

<td class="diff-line-num old_line" data-linenumber="2067" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2067

</td>

<td class="diff-line-num new_line" data-linenumber="2081" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2081

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<pre style="margin: 0;"> <span id="LC2081" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">x'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplExpr</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">x</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="2068" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2068

</td>

<td class="diff-line-num new_line" data-linenumber="2082" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2082

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<pre style="margin: 0;"> <span id="LC2082" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">arg_rep'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplType</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">arg_rep</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="2069" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2069

</td>

<td class="diff-line-num new_line" data-linenumber="2083" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2083

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<pre style="margin: 0;"> <span id="LC2083" class="line" lang="haskell">       <span class="p">;</span> <span class="n" style="color: #333;">arg_ty'</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">simplType</span> <span class="n" style="color: #333;">env'</span> <span class="n" style="color: #333;">arg_ty</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="2070" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2070

</td>

<td class="diff-line-num new_line old" data-linenumber="2084" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2070" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">ty'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">contResultType</span> <span class="n" style="color: #333;">cont</span></span>

</pre>

</td>

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<td class="diff-line-num old old_line" data-linenumber="2071" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

2071

</td>

<td class="diff-line-num new_line old" data-linenumber="2084" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

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<pre style="margin: 0;">-<span id="LC2071" class="line" lang="haskell">             <span class="n" style="color: #333;">call'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun_id</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="2072" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

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

2084

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<pre style="margin: 0;">+<span id="LC2084" class="line" lang="haskell">       <span class="p">;</span> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">call'</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">mkApps</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Var</span> <span class="n" style="color: #333;">fun_id</span><span class="p">)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="2072" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2072

</td>

<td class="diff-line-num new_line" data-linenumber="2085" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2085

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<pre style="margin: 0;"> <span id="LC2085" class="line" lang="haskell">               <span class="p">[</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">arg_rep'</span><span class="p">,</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">arg_ty'</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="2073" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2073

</td>

<td class="diff-line-num new_line" data-linenumber="2086" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2086

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<pre style="margin: 0;"> <span id="LC2086" class="line" lang="haskell">               <span class="p">,</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="p">(</span><span class="n" style="color: #333;">getRuntimeRep</span> <span class="n" style="color: #333;">ty'</span><span class="p">),</span> <span class="n" style="color: #333;">mkTyArg</span> <span class="n" style="color: #333;">ty'</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="2074" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2074

</td>

<td class="diff-line-num new_line" data-linenumber="2087" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

2087

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<pre style="margin: 0;"> <span id="LC2087" class="line" lang="haskell">               <span class="p">,</span> <span class="n" style="color: #333;">x'</span></span>

</pre>

</td>

</tr>

</table>

<br>

</li>

<li id="a5d27de4e3111a69f69902c65ecf7b3379f7c49a">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/84923598ec40dffaa9d2ab5712c63795d63f854c...e09f8c4d7f87c703a5428723354f8527a3420e1e#a5d27de4e3111a69f69902c65ecf7b3379f7c49a"><strong>compiler/GHC/CoreToStg/Prep.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1096,10 +1096,26 @@ Breaking our desired invariant. Ultimately we decided to simply accept that</td>

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<td class="diff-line-num old_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1096

</td>

<td class="diff-line-num new_line" data-linenumber="1096" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1096

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<pre style="margin: 0;"> <span id="LC1096" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">the continuation may not be a manifest lambda.</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1097

</td>

<td class="diff-line-num new_line" data-linenumber="1097" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1097

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

<pre style="margin: 0;"> <span id="LC1097" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1098

</td>

<td class="diff-line-num new_line" data-linenumber="1098" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1098

</td>

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

<pre style="margin: 0;"> <span id="LC1098" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1099

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<pre style="margin: 0;">+<span id="LC1099" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Simplification of keepAlive#]</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1100

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<pre style="margin: 0;">+<span id="LC1100" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1101

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<pre style="margin: 0;">+<span id="LC1101" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1102

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<pre style="margin: 0;">+<span id="LC1102" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The keepAlive# primop benefits from a similar optimisation to that described in</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1103

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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="LC1103" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [Simplification of runRW#] above. Specifically, we transform:</span></span>

</pre>

</td>

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</td>

<td class="diff-line-num new new_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1104

</td>

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<pre style="margin: 0;">+<span id="LC1104" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1105

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<pre style="margin: 0;">+<span id="LC1105" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    K[keepAlive# @a_rep @a @r_rep @r x s k]</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1106

</td>

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<pre style="margin: 0;">+<span id="LC1106" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">            ~></span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1107

</td>

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

<pre style="margin: 0;">+<span id="LC1107" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">    keepAlive# @a_rep @a @r_rep @r x s K[k]</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1108

</td>

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<pre style="margin: 0;">+<span id="LC1108" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1109

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<pre style="margin: 0;">+<span id="LC1109" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">The reasons are similar to those described in Note [Simplification of runRW#].</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1110

</td>

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<pre style="margin: 0;">+<span id="LC1110" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1111

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<pre style="margin: 0;">+<span id="LC1111" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">-}</span></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1112

</td>

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<pre style="margin: 0;">+<span id="LC1112" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1113

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<pre style="margin: 0;">+<span id="LC1113" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1099" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1099

</td>

<td class="diff-line-num new_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1114

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<pre style="margin: 0;"> <span id="LC1114" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ---------------------------------------------------------------------------</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1100" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1100

</td>

<td class="diff-line-num new_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1115

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<pre style="margin: 0;"> <span id="LC1115" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--      CpeArg: produces a result satisfying CpeArg</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1101

</td>

<td class="diff-line-num new_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1116

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<pre style="margin: 0;"> <span id="LC1116" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ---------------------------------------------------------------------------</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1102

</td>

<td class="diff-line-num new_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1117

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<pre style="margin: 0;"> <span id="LC1117" class="line" lang="haskell"></span>

</pre>

</td>

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<td class="diff-line-num new old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

1118

</td>

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<pre style="margin: 0;">+<span id="LC1118" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1103

</td>

<td class="diff-line-num new_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1119

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<pre style="margin: 0;"> <span id="LC1119" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">Note [ANF-ising literal string arguments]</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="1104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1104

</td>

<td class="diff-line-num new_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1120

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<pre style="margin: 0;"> <span id="LC1120" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="1105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1105

</td>

<td class="diff-line-num new_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

1121

</td>

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

<pre style="margin: 0;"> <span id="LC1121" class="line" lang="haskell"></span>

</pre>

</td>

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<br>

</li>

<li id="67eb7bf6167db761647d70b8c599a9f0b917dcfe">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/84923598ec40dffaa9d2ab5712c63795d63f854c...e09f8c4d7f87c703a5428723354f8527a3420e1e#67eb7bf6167db761647d70b8c599a9f0b917dcfe"><strong>libraries/base/Foreign/ForeignPtr/Imp.hs</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); 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="66" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -66,31 +66,6 @@ newForeignPtr finalizer p</td>

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<td class="diff-line-num old_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

66

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<td class="diff-line-num new_line" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

66

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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell">       <span class="n" style="color: #333;">addForeignPtrFinalizer</span> <span class="n" style="color: #333;">finalizer</span> <span class="n" style="color: #333;">fObj</span></span>

</pre>

</td>

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<pre style="margin: 0;"> <span id="LC67" class="line" lang="haskell">       <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">fObj</span></span>

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

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<pre style="margin: 0;">-<span id="LC69" class="line" lang="haskell"><span class="n" style="color: #333;">withForeignPtr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ForeignPtr</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Ptr</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;">IO</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;">IO</span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">-<span id="LC70" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ^This is a way to look at the pointer living inside a</span></span>

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<pre style="margin: 0;">-<span id="LC71" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- foreign object.  This function takes a function which is</span></span>

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<pre style="margin: 0;">-<span id="LC72" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- applied to that pointer. The resulting 'IO' action is then</span></span>

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<pre style="margin: 0;">-<span id="LC73" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- executed. The foreign object is kept alive at least during</span></span>

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<pre style="margin: 0;">-<span id="LC74" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the whole action, even if it is not used directly</span></span>

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<pre style="margin: 0;">-<span id="LC75" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inside. Note that it is not safe to return the pointer from</span></span>

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<pre style="margin: 0;">-<span id="LC76" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the action and use it after the action completes. All uses</span></span>

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<pre style="margin: 0;">-<span id="LC77" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- of the pointer should be inside the</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;">-- 'withForeignPtr' bracket.  The reason for</span></span>

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<pre style="margin: 0;">-<span id="LC79" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- this unsafeness is the same as for</span></span>

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<pre style="margin: 0;">-<span id="LC80" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'unsafeForeignPtrToPtr' below: the finalizer</span></span>

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<pre style="margin: 0;">-<span id="LC81" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- may run earlier than expected, because the compiler can only</span></span>

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<pre style="margin: 0;">-<span id="LC82" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- track usage of the 'ForeignPtr' object, not</span></span>

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<pre style="margin: 0;">-<span id="LC83" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- a 'Ptr' object made from it.</span></span>

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<pre style="margin: 0;">-<span id="LC84" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

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<pre style="margin: 0;">-<span id="LC85" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This function is normally used for marshalling data to</span></span>

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<pre style="margin: 0;">-<span id="LC86" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- or from the object pointed to by the</span></span>

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87

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<pre style="margin: 0;">-<span id="LC87" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'ForeignPtr', using the operations from the</span></span>

</pre>

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88

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

</pre>

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<td class="diff-line-num old old_line" data-linenumber="89" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">

89

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<pre style="margin: 0;">-<span id="LC89" class="line" lang="haskell"><span class="n" style="color: #333;">withForeignPtr</span> <span class="n" style="color: #333;">fo</span> <span class="n" style="color: #333;">io</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC90" class="line" lang="haskell">  <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">io</span> <span class="p">(</span><span class="n" style="color: #333;">unsafeForeignPtrToPtr</span> <span class="n" style="color: #333;">fo</span><span class="p">)</span></span>

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<pre style="margin: 0;">-<span id="LC91" class="line" lang="haskell">       <span class="n" style="color: #333;">touchForeignPtr</span> <span class="n" style="color: #333;">fo</span></span>

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<pre style="margin: 0;">-<span id="LC92" class="line" lang="haskell">       <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">r</span></span>

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<pre style="margin: 0;">-<span id="LC93" class="line" lang="haskell"></span>

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<pre style="margin: 0;"> <span id="LC69" class="line" lang="haskell"><span class="cd">-- | This variant of 'newForeignPtr' adds a finalizer that expects an</span></span>

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<pre style="margin: 0;"> <span id="LC70" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- environment in addition to the finalized pointer.  The environment</span></span>

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<td class="diff-line-num old_line" data-linenumber="96" style="width: 35px; color: rgba(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="LC71" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- that will be passed to the finalizer is fixed by the second argument to</span></span>

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<br>

</li>

<li id="269448746b2d7046ede74979e927b8642db7271f">

<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/84923598ec40dffaa9d2ab5712c63795d63f854c...e09f8c4d7f87c703a5428723354f8527a3420e1e#269448746b2d7046ede74979e927b8642db7271f"><strong>libraries/base/GHC/ForeignPtr.hs</strong></a>

<hr>

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

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

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -46,6 +46,7 @@ module GHC.ForeignPtr</td>

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<pre style="margin: 0;"> <span id="LC46" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">castForeignPtr</span><span class="p">,</span></span>

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<td class="diff-line-num old_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC47" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">plusForeignPtr</span><span class="p">,</span></span>

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<pre style="margin: 0;"> <span id="LC48" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * Finalization</span></span>

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

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<pre style="margin: 0;">+<span id="LC49" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">withForeignPtr</span><span class="p">,</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="49" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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

</pre>

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<pre style="margin: 0;"> <span id="LC51" class="line" lang="haskell">        <span class="nf" style="color: #900; font-weight: 600;">finalizeForeignPtr</span></span>

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<td class="diff-line-num old_line" data-linenumber="51" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC52" class="line" lang="haskell">        <span class="c1" style="color: #998; font-style: italic;">-- * Commentary</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="60" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="61" style="width: 35px; color: rgba(0,0,0,0.3); 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">@@ -60,6 +61,7 @@ import GHC.Base</td>

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<pre style="margin: 0;"> <span id="LC61" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.IORef</span></span>

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<pre style="margin: 0;"> <span id="LC62" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.STRef</span>        <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">STRef</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>

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<pre style="margin: 0;"> <span id="LC63" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Ptr</span>          <span class="p">(</span> <span class="kt" style="color: #458; font-weight: 600;">Ptr</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;">FunPtr</span><span class="p">(</span><span class="o" style="font-weight: 600;">..</span><span class="p">)</span> <span class="p">)</span></span>

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<pre style="margin: 0;">+<span id="LC64" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Prim</span>         <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">keepAlive</span><span class="o" style="font-weight: 600;">#</span> <span class="p">)</span></span>

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

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<pre style="margin: 0;"> <span id="LC66" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Unsafe.Coerce</span>    <span class="p">(</span> <span class="nf" style="color: #900; font-weight: 600;">unsafeCoerce</span><span class="p">,</span> <span class="nf" style="color: #900; font-weight: 600;">unsafeCoerceUnlifted</span> <span class="p">)</span></span>

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

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -503,6 +505,31 @@ newForeignPtr_ (Ptr obj) =  do</td>

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<pre style="margin: 0;"> <span id="LC505" 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;">newIORef</span> <span class="kt" style="color: #458; font-weight: 600;">NoFinalizers</span></span>

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<pre style="margin: 0;"> <span id="LC506" 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;">ForeignPtr</span> <span class="n" style="color: #333;">obj</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">PlainForeignPtr</span> <span class="n" style="color: #333;">r</span><span class="p">))</span></span>

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<pre style="margin: 0;"> <span id="LC507" class="line" lang="haskell"></span>

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<pre style="margin: 0;">+<span id="LC508" class="line" lang="haskell"><span class="n" style="color: #333;">withForeignPtr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ForeignPtr</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Ptr</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;">IO</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;">IO</span> <span class="n" style="color: #333;">b</span></span>

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<pre style="margin: 0;">+<span id="LC509" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ^This is a way to look at the pointer living inside a</span></span>

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<pre style="margin: 0;">+<span id="LC510" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- foreign object.  This function takes a function which is</span></span>

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<pre style="margin: 0;">+<span id="LC511" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- applied to that pointer. The resulting 'IO' action is then</span></span>

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<pre style="margin: 0;">+<span id="LC512" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- executed. The foreign object is kept alive at least during</span></span>

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<pre style="margin: 0;">+<span id="LC513" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the whole action, even if it is not used directly</span></span>

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<pre style="margin: 0;">+<span id="LC514" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- inside. Note that it is not safe to return the pointer from</span></span>

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<pre style="margin: 0;">+<span id="LC515" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- the action and use it after the action completes. All uses</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="516" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

516

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<pre style="margin: 0;">+<span id="LC516" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- of the pointer should be inside the</span></span>

</pre>

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517

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<pre style="margin: 0;">+<span id="LC517" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'withForeignPtr' bracket.  The reason for</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="518" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

518

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<pre style="margin: 0;">+<span id="LC518" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- this unsafeness is the same as for</span></span>

</pre>

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519

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<pre style="margin: 0;">+<span id="LC519" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'unsafeForeignPtrToPtr' below: the finalizer</span></span>

</pre>

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520

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<pre style="margin: 0;">+<span id="LC520" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- may run earlier than expected, because the compiler can only</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="521" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

521

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<pre style="margin: 0;">+<span id="LC521" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- track usage of the 'ForeignPtr' object, not</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="522" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

522

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<pre style="margin: 0;">+<span id="LC522" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- a 'Ptr' object made from it.</span></span>

</pre>

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523

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<pre style="margin: 0;">+<span id="LC523" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC524" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- This function is normally used for marshalling data to</span></span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="525" style="width: 35px; color: rgba(0,0,0,0.3); 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="LC525" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- or from the object pointed to by the</span></span>

</pre>

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526

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<pre style="margin: 0;">+<span id="LC526" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'ForeignPtr', using the operations from the</span></span>

</pre>

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527

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<pre style="margin: 0;">+<span id="LC527" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- 'Storable' class.</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC528" class="line" lang="haskell"><span class="n" style="color: #333;">withForeignPtr</span> <span class="n" style="color: #333;">fo</span><span class="o" style="font-weight: 600;">@</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">ForeignPtr</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">r</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;">IO</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;">s</span> <span class="o" style="font-weight: 600;">-></span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC529" class="line" lang="haskell">  <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">f</span> <span class="p">(</span><span class="n" style="color: #333;">unsafeForeignPtrToPtr</span> <span class="n" style="color: #333;">fo</span><span class="p">)</span> <span class="kr" style="font-weight: 600;">of</span></span>

</pre>

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<pre style="margin: 0;">+<span id="LC530" class="line" lang="haskell">    <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="n" style="color: #333;">action</span><span class="o" style="font-weight: 600;">#</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">keepAlive</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">r</span> <span class="n" style="color: #333;">s</span> <span class="n" style="color: #333;">action</span><span class="o" style="font-weight: 600;">#</span></span>

</pre>

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531

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<pre style="margin: 0;">+<span id="LC531" class="line" lang="haskell"></span>

</pre>

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532

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<pre style="margin: 0;">+<span id="LC532" class="line" lang="haskell"></span>

</pre>

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506

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<pre style="margin: 0;"> <span id="LC533" class="line" lang="haskell"><span class="n" style="color: #333;">touchForeignPtr</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">ForeignPtr</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;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="507" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

507

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<td class="diff-line-num new_line" data-linenumber="534" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

534

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<pre style="margin: 0;"> <span id="LC534" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- ^This function ensures that the foreign object in</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="508" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

508

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535

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<pre style="margin: 0;"> <span id="LC535" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- question is alive at the given place in the sequence of IO</span></span>

</pre>

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