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Marge Bot pushed to branch master
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3f50154591ada9064351ccec4adfe6df53ca2439">3f501545</a></strong>
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<span>by Craig Ferguson</span>
<i>at 2020-08-22T03:30:13-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Utils: clarify docs slightly
The previous comment implies `nTimes n f` is either `f^{n+1}` or
`f^{2^n}` (when in fact it's `f^n`).
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<h4>1 changed file:</h4>
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<a href="#4d45cd1896284e4b4034580e431af68b09013b33">
compiler/GHC/Utils/Misc.hs
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<h4>Changes:</h4>
<li id="4d45cd1896284e4b4034580e431af68b09013b33">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3f50154591ada9064351ccec4adfe6df53ca2439#4d45cd1896284e4b4034580e431af68b09013b33"><strong>compiler/GHC/Utils/Misc.hs</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="236" style="width: 35px; color: rgba(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">@@ -236,7 +236,7 @@ applyWhen :: Bool -> (a -> a) -> a -> a</td>
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<pre style="margin: 0;"> <span id="LC236" class="line" lang="haskell"><span class="n" style="color: #333;">applyWhen</span> <span class="kt" style="color: #458; font-weight: 600;">True</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">f</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC237" class="line" lang="haskell"><span class="n" style="color: #333;">applyWhen</span> <span class="kr" style="font-weight: 600;">_</span> <span class="kr" style="font-weight: 600;">_</span> <span class="n" style="color: #333;">x</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">x</span></span>
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<pre style="margin: 0;"> <span id="LC238" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC239" class="line" lang="haskell"><span class="cd">-- | A<span class="idiff left right"> for loop: Compose a function with itself n times. (nth rather than twice)</span></span></span>
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<pre style="margin: 0;">+<span id="LC239" class="line" lang="haskell"><span class="cd">-- | A<span class="idiff left right">pply a function @n@ times to a given value.</span></span></span>
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<pre style="margin: 0;"> <span id="LC240" class="line" lang="haskell"><span class="n" style="color: #333;">nTimes</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span> <span class="o" style="font-weight: 600;">-></span> <span class="p">(</span><span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC241" class="line" lang="haskell"><span class="n" style="color: #333;">nTimes</span> <span class="mi" style="color: #099;">0</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">id</span></span>
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<pre style="margin: 0;"> <span id="LC242" class="line" lang="haskell"><span class="n" style="color: #333;">nTimes</span> <span class="mi" style="color: #099;">1</span> <span class="n" style="color: #333;">f</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">f</span></span>
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