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<h3>
Daneel S. Yaitskov pushed to branch wip/T17949
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<ul>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ca7fa6b117e8f60abeed6f7eb27cf9786fae8719">ca7fa6b1</a></strong>
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<span>by Daneel Yaitskov</span>
<i>at 2020-05-22T13:29:59-07:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">T17949 rename withEventlog/whenEventlog
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/88c1d3cbf77d3ab744618f3b62c0d3eb76bb4280">88c1d3cb</a></strong>
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<span>by Daneel Yaitskov</span>
<i>at 2020-05-22T13:30:58-07:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">T17949 inline whenEventlog
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3730961d7a49c164881a89019e4442b343da606a">3730961d</a></strong>
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<span>by Daneel Yaitskov</span>
<i>at 2020-05-22T13:35:12-07:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">T17949 remove whenEventlog from traceIO
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</li>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fca165f00d97179a91c2b95d86a8e5c2400c9c75">fca165f0</a></strong>
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<span>by Daneel Yaitskov</span>
<i>at 2020-05-22T13:35:48-07:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">T17949 remove double whenEventlog
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<h4>1 changed file:</h4>
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<a href="#cbecf35546dee344ca6fb2e73c7515f07e868d0f">
libraries/base/Debug/Trace.hs
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<h4>Changes:</h4>
<li id="cbecf35546dee344ca6fb2e73c7515f07e868d0f">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/d833b98b15d51d0ec67d283cd2749d03e70ca3c1...fca165f00d97179a91c2b95d86a8e5c2400c9c75#cbecf35546dee344ca6fb2e73c7515f07e868d0f"><strong>libraries/base/Debug/Trace.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -77,12 +77,13 @@ import Data.List (null, partition)</td>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC78" 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="s" style="color: #d14;">"&eventlog_enabled"</span> <span class="n" style="color: #333;">eventlog_enabled</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Ptr</span> <span class="kt" style="color: #458; font-weight: 600;">CBool</span></span>
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC80" class="line" lang="haskell"><span class="cd">-- | The 'w<span class="idiff left right">ith</span>Eventlog' function evals argument action</span></span>
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<pre style="margin: 0;">+<span id="LC80" class="line" lang="haskell"><span class="cd">-- | The 'w<span class="idiff left right">hen</span>Eventlog' function evals argument action</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;">-- if RTS eventlog (+RTS -l) is enabled.</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;">--</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;">-- @since 4.14.0.0</span></span>
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<pre style="margin: 0;">-<span id="LC84" class="line" lang="haskell"><span class="n" style="color: #333;">withEventlog</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 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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<pre style="margin: 0;">-<span id="LC85" class="line" lang="haskell"><span class="n" style="color: #333;">withEventlog</span> <span class="n" style="color: #333;">logAction</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="LC84" class="line" lang="haskell"><span class="cp" style="color: #999; font-weight: 600;">{-# INLINE whenEventlog #-}</span></span>
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<pre style="margin: 0;">+<span id="LC85" class="line" lang="haskell"><span class="n" style="color: #333;">whenEventlog</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 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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<pre style="margin: 0;">+<span id="LC86" class="line" lang="haskell"><span class="n" style="color: #333;">whenEventlog</span> <span class="n" style="color: #333;">logAction</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="LC87" class="line" lang="haskell"> <span class="n" style="color: #333;">ee</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">peek</span> <span class="n" style="color: #333;">eventlog_enabled</span></span>
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<pre style="margin: 0;"> <span id="LC88" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">toBool</span> <span class="n" style="color: #333;">ee</span></span>
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<pre style="margin: 0;"> <span id="LC89" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">logAction</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -93,7 +94,7 @@ withEventlog logAction = do</td>
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<pre style="margin: 0;"> <span id="LC94" 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="LC95" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.5.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC96" class="line" lang="haskell"><span class="n" style="color: #333;">traceIO</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;">-<span id="LC96" class="line" lang="haskell"><span class="n" style="color: #333;">traceIO</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">=</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff">withEventlog</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff"> </span><span class="kr" style="font-weight: 600;"><span class="idiff right">do</span></span></span>
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<pre style="margin: 0;">+<span id="LC97" class="line" lang="haskell"><span class="n" style="color: #333;">traceIO</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="haskell"> <span class="n" style="color: #333;">withCString</span> <span class="s" style="color: #d14;">"%s</span><span class="se" style="color: #d14;">\n</span><span class="s" style="color: #d14;">"</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">cfmt</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="LC99" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- NB: debugBelch can't deal with null bytes, so filter them</span></span>
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- out so we don't accidentally truncate the message. See #9395</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -270,7 +271,7 @@ traceStack str expr = unsafePerformIO $ do</td>
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<pre style="margin: 0;"> <span id="LC271" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.5.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC272" class="line" lang="haskell"><span class="n" style="color: #333;">traceEvent</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;"> <span id="LC273" class="line" lang="haskell"><span class="n" style="color: #333;">traceEvent</span> <span class="n" style="color: #333;">msg</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unsafeDupablePerformIO</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC273" class="line" lang="haskell"> <span class="n" style="color: #333;"><span class="idiff left">withEventlog</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">traceEventIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;">+<span id="LC274" class="line" lang="haskell"> <span class="n" style="color: #333;">traceEventIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;"> <span id="LC275" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC276" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC277" class="line" lang="haskell"><span class="cd">-- | The 'traceEventIO' function emits a message to the eventlog, if eventlog</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -282,7 +283,7 @@ traceEvent msg expr = unsafeDupablePerformIO $ do</td>
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.5.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC284" class="line" lang="haskell"><span class="n" style="color: #333;">traceEventIO</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="haskell"><span class="n" style="color: #333;">traceEventIO</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC285" class="line" lang="haskell"> <span class="n" style="color: #333;">w<span class="idiff left right">ith</span>Eventlog</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">GHC</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Foreign</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">withCString</span> <span class="n" style="color: #333;">utf8</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; 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;">p</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="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC286" class="line" lang="haskell"> <span class="n" style="color: #333;">w<span class="idiff left right">hen</span>Eventlog</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">GHC</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Foreign</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">withCString</span> <span class="n" style="color: #333;">utf8</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Ptr</span> <span class="n" style="color: #333;">p</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="o" style="font-weight: 600;">$</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>
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">traceEvent</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">s</span> <span class="kr" style="font-weight: 600;">of</span> <span class="n" style="color: #333;">s'</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;">s'</span><span class="p">,</span> <span class="nb" style="color: #0086b3;">()</span> <span class="o" style="font-weight: 600;">#</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC288" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC289" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- $markers</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -320,7 +321,7 @@ traceEventIO msg =</td>
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<pre style="margin: 0;"> <span id="LC321" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.7.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC322" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarker</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;"> <span id="LC323" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarker</span> <span class="n" style="color: #333;">msg</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unsafeDupablePerformIO</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC323" class="line" lang="haskell"> <span class="n" style="color: #333;"><span class="idiff left">withEventlog</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">$</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">traceMarkerIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;">+<span id="LC324" class="line" lang="haskell"> <span class="n" style="color: #333;">traceMarkerIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC327" class="line" lang="haskell"><span class="cd">-- | The 'traceMarkerIO' function emits a marker to the eventlog, if eventlog</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -332,5 +333,5 @@ traceMarker msg expr = unsafeDupablePerformIO $ do</td>
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.7.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC334" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarkerIO</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="nb" style="color: #0086b3;">()</span></span>
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<pre style="margin: 0;"> <span id="LC335" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarkerIO</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC335" class="line" lang="haskell"> <span class="n" style="color: #333;">w<span class="idiff left right">ith</span>Eventlog</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">GHC</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Foreign</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">withCString</span> <span class="n" style="color: #333;">utf8</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; 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;">p</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="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC336" class="line" lang="haskell"> <span class="n" style="color: #333;">w<span class="idiff left right">hen</span>Eventlog</span> <span class="o" style="font-weight: 600;">$</span> <span class="kt" style="color: #458; font-weight: 600;">GHC</span><span class="o" style="font-weight: 600;">.</span><span class="kt" style="color: #458; font-weight: 600;">Foreign</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">withCString</span> <span class="n" style="color: #333;">utf8</span> <span class="n" style="color: #333;">msg</span> <span class="o" style="font-weight: 600;">$</span> <span class="nf" style="color: #900; font-weight: 600;">\</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Ptr</span> <span class="n" style="color: #333;">p</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="o" style="font-weight: 600;">$</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>
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<pre style="margin: 0;"> <span id="LC337" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">traceMarker</span><span class="o" style="font-weight: 600;">#</span> <span class="n" style="color: #333;">p</span> <span class="n" style="color: #333;">s</span> <span class="kr" style="font-weight: 600;">of</span> <span class="n" style="color: #333;">s'</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;">s'</span><span class="p">,</span> <span class="nb" style="color: #0086b3;">()</span> <span class="o" style="font-weight: 600;">#</span><span class="p">)</span></span></pre>
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