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<h3>
Sven Tennie pushed to branch wip/ghc-debug
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8f2d54da3b23ef2e56c993126edb09b5788e870b">8f2d54da</a></strong>
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<span>by Sven Tennie</span>
<i>at 2020-06-01T19:12:45+02:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add test for StgTSO decoding
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<h4>4 changed files:</h4>
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<a href="#e7e177c17e4bf37dc865a39cde7a0ec9e1a33362">
libraries/ghc-heap/tests/all.T
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<a href="#a1a274388cf6f872cf751e1b1303e10f77a40360">
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libraries/ghc-heap/tests/create_tso.c
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libraries/ghc-heap/tests/create_tso.h
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libraries/ghc-heap/tests/tso_and_stack_closures.hs
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<h4>Changes:</h4>
<li id="e7e177c17e4bf37dc865a39cde7a0ec9e1a33362">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8f2d54da3b23ef2e56c993126edb09b5788e870b#e7e177c17e4bf37dc865a39cde7a0ec9e1a33362"><strong>libraries/ghc-heap/tests/all.T</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -36,3 +36,9 @@ test('closure_size_noopt',</td>
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<pre style="margin: 0;"> <span id="LC36" class="line" lang="perl"> <span class="p">],</span></span>
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<pre style="margin: 0;"> <span id="LC37" class="line" lang="perl"> <span class="nv" style="color: #008080;">compile_and_run</span><span class="p">,</span> <span class="p">[''])</span></span>
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<pre style="margin: 0;"> <span id="LC38" class="line" lang="perl"></span>
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="perl"><span class="nv" style="color: #008080;">test</span><span class="p">('</span><span class="s1" style="color: #d14;">tso_and_stack_closures</span><span class="p">',</span></span>
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<td class="diff-line-num new new_line" data-linenumber="40" style="width: 35px; color: rgba(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="LC40" class="line" lang="perl"> <span class="p">[</span><span class="nv" style="color: #008080;">extra_files</span><span class="p">(['</span><span class="s1" style="color: #d14;">create_tso.c</span><span class="p">','</span><span class="s1" style="color: #d14;">create_tso.h</span><span class="p">']),</span></span>
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="perl"> <span class="nv" style="color: #008080;">ignore_stdout</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC42" class="line" lang="perl"> <span class="nv" style="color: #008080;">ignore_stderr</span></span>
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<pre style="margin: 0;">+<span id="LC43" class="line" lang="perl"> <span class="p">],</span></span>
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<td class="diff-line-num new new_line" data-linenumber="44" style="width: 35px; color: rgba(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="LC44" class="line" lang="perl"> <span class="nv" style="color: #008080;">multi_compile_and_run</span><span class="p">,</span> <span class="p">['</span><span class="s1" style="color: #d14;">tso_and_stack_closures</span><span class="p">',</span> <span class="p">[('</span><span class="s1" style="color: #d14;">create_tso.c</span><span class="p">','')],</span> <span class="p">''])</span></span></pre>
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<li id="a1a274388cf6f872cf751e1b1303e10f77a40360">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8f2d54da3b23ef2e56c993126edb09b5788e870b#a1a274388cf6f872cf751e1b1303e10f77a40360"><strong>libraries/ghc-heap/tests/create_tso.c</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include "Rts.h"</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include "RtsAPI.h"</span></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="c"><span class="n" style="color: #333;">StgTSO</span><span class="o" style="font-weight: 600;">*</span> <span class="nf" style="color: #900; font-weight: 600;">create_tso</span><span class="p">(){</span></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="c"> <span class="n" style="color: #333;">HaskellObj</span> <span class="n" style="color: #333;">trueClosure</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">rts_mkBool</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">MainCapability</span><span class="p">,</span> <span class="mi" style="color: #099;">1</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="c"> <span class="n" style="color: #333;">StgTSO</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">tso</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">createGenThread</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">MainCapability</span><span class="p">,</span> <span class="mi" style="color: #099;">500U</span><span class="p">,</span> <span class="n" style="color: #333;">trueClosure</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">tso</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="c"><span class="p">}</span></span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8f2d54da3b23ef2e56c993126edb09b5788e870b#4bc3fcfa03933824b9e2571ebf4749f452015d9a"><strong>libraries/ghc-heap/tests/create_tso.h</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#include "RtsAPI.h"</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="c"><span class="n" style="color: #333;">StgTSO</span><span class="o" style="font-weight: 600;">*</span> <span class="nf" style="color: #900; font-weight: 600;">create_tso</span><span class="p">();</span></span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8f2d54da3b23ef2e56c993126edb09b5788e870b#5b5b439543cf197398612a3792ce3e362c519eab"><strong>libraries/ghc-heap/tests/tso_and_stack_closures.hs</strong></a>
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<pre style="margin: 0;">+<span id="LC1" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# LANGUAGE ForeignFunctionInterface, MagicHash, CPP #-}</span></span>
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<pre style="margin: 0;">+<span id="LC2" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC3" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Foreign</span></span>
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<pre style="margin: 0;">+<span id="LC4" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">Foreign.C.Types</span></span>
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<pre style="margin: 0;">+<span id="LC5" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Exts.Heap</span></span>
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<pre style="margin: 0;">+<span id="LC6" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Exts</span></span>
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<pre style="margin: 0;">+<span id="LC7" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC8" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">GHC.Word</span></span>
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<pre style="margin: 0;">+<span id="LC9" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC10" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"ghcconfig.h"</span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">include</span> <span class="s" style="color: #d14;">"rts/Constants.h"</span></span>
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<pre style="margin: 0;">+<span id="LC12" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="haskell"><span class="n" style="color: #333;">foreign</span> <span class="kr" style="font-weight: 600;">import</span> <span class="nn" style="color: #555;">ccall</span> <span class="n" style="color: #333;">unsafe</span> <span class="s" style="color: #d14;">"create_tso.h create_tso"</span></span>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="haskell"> <span class="n" style="color: #333;">c_create_tso</span><span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="kt" style="color: #458; font-weight: 600;">Word</span></span>
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<pre style="margin: 0;">+<span id="LC15" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC16" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Invent a type to bypass the type constraints of getClosureData.</span></span>
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<pre style="margin: 0;">+<span id="LC17" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Infact this will be a Word#, that is directly given to unpackClosure#</span></span>
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<pre style="margin: 0;">+<span id="LC18" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- (which is a primop that expects a pointer to a closure).</span></span>
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<td class="diff-line-num new new_line" data-linenumber="19" style="width: 35px; color: rgba(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="LC19" class="line" lang="haskell"><span class="kr" style="font-weight: 600;">data</span> <span class="kt" style="color: #458; font-weight: 600;">FoolStgTSO</span></span>
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<pre style="margin: 0;">+<span id="LC20" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC21" class="line" lang="haskell"><span class="n" style="color: #333;">main</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>
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22
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<pre style="margin: 0;">+<span id="LC22" class="line" lang="haskell"><span class="n" style="color: #333;">main</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC23" class="line" lang="haskell"> <span class="n" style="color: #333;">ptr</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">c_create_tso</span></span>
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24
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">wPtr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unpackWord</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">ptr</span></span>
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25
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="haskell"> <span class="n" style="color: #333;">tso</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">getClosureData</span> <span class="p">((</span><span class="n" style="color: #333;">unsafeCoerce</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">wPtr</span><span class="p">)</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FoolStgTSO</span><span class="p">)</span></span>
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26
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="haskell"></span>
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27
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="haskell"> <span class="n" style="color: #333;">assertEqual</span> <span class="p">(</span><span class="n" style="color: #333;">what_next</span> <span class="n" style="color: #333;">tso</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">ThreadRunGHC</span></span>
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28
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="haskell"> <span class="n" style="color: #333;">assertEqual</span> <span class="p">(</span><span class="n" style="color: #333;">why_blocked</span> <span class="n" style="color: #333;">tso</span><span class="p">)</span> <span class="kt" style="color: #458; font-weight: 600;">NotBlocked</span></span>
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29
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<pre style="margin: 0;">+<span id="LC29" class="line" lang="haskell"> <span class="n" style="color: #333;">assertEqual</span> <span class="p">(</span><span class="n" style="color: #333;">saved_errno</span> <span class="n" style="color: #333;">tso</span><span class="p">)</span> <span class="mi" style="color: #099;">0</span></span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC31" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- todo (sven): assert more?</span></span>
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<pre style="margin: 0;">+<span id="LC32" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC33" class="line" lang="haskell"> <span class="n" style="color: #333;">print</span> <span class="o" style="font-weight: 600;">$</span> <span class="s" style="color: #d14;">"tso : "</span><span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">show</span> <span class="n" style="color: #333;">tso</span></span>
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<pre style="margin: 0;">+<span id="LC34" class="line" lang="haskell"></span>
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<pre style="margin: 0;">+<span id="LC35" class="line" lang="haskell"><span class="n" style="color: #333;">unpackWord</span><span class="o" style="font-weight: 600;">#</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Word</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">Word</span><span class="o" style="font-weight: 600;">#</span></span>
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<pre style="margin: 0;">+<span id="LC36" class="line" lang="haskell"><span class="n" style="color: #333;">unpackWord</span><span class="o" style="font-weight: 600;">#</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">W</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">w</span><span class="o" style="font-weight: 600;">#</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">w</span><span class="o" style="font-weight: 600;">#</span></span>
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<pre style="margin: 0;">+<span id="LC37" class="line" lang="haskell"></span>
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38
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<pre style="margin: 0;">+<span id="LC38" class="line" lang="haskell"><span class="n" style="color: #333;">assertEqual</span> <span class="o" style="font-weight: 600;">::</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Show</span> <span class="n" style="color: #333;">a</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Eq</span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">=></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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39
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<pre style="margin: 0;">+<span id="LC39" class="line" lang="haskell"><span class="n" style="color: #333;">assertEqual</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">b</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC40" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">/=</span> <span class="n" style="color: #333;">b</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">error</span> <span class="p">(</span><span class="n" style="color: #333;">show</span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">++</span> <span class="s" style="color: #d14;">" /= "</span> <span class="o" style="font-weight: 600;">++</span> <span class="n" style="color: #333;">show</span> <span class="n" style="color: #333;">b</span><span class="p">)</span></span>
</pre>
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<pre style="margin: 0;">+<span id="LC41" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="nb" style="color: #0086b3;">()</span></span></pre>
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