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<h3>
Marge Bot pushed to branch master
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/5c7387f6f8896a34af25f8a28a78095e22287752">5c7387f6</a></strong>
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<span>by Leif Metcalf</span>
<i>at 2020-09-17T08:51:43-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make Z-encoding comment into a note
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c12b3041e533962b8d0ac9ee44e928f874c11671">c12b3041</a></strong>
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<span>by Leif Metcalf</span>
<i>at 2020-09-17T08:51:43-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Cosmetic
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<h4>2 changed files:</h4>
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<a href="#d51029aec6ce58e66d4b48865c1dd0d2038fda29">
compiler/GHC/Data/FastString.hs
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<a href="#3a20b44f1537b8be0997dbde4c6c109dacd4ca70">
compiler/GHC/Utils/Encoding.hs
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<h4>Changes:</h4>
<li id="d51029aec6ce58e66d4b48865c1dd0d2038fda29">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/147bb59826087300f989addfcf79e3956f6ed66b...c12b3041e533962b8d0ac9ee44e928f874c11671#d51029aec6ce58e66d4b48865c1dd0d2038fda29"><strong>compiler/GHC/Data/FastString.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="196" style="width: 35px; color: rgba(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="196" style="width: 35px; color: rgba(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">@@ -196,7 +196,8 @@ data FastString = FastString {</td>
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196
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="haskell"> <span class="n" style="color: #333;">n_chars</span> <span class="o" style="font-weight: 600;">::</span> <span class="cp" style="color: #999; font-weight: 600;">{-# UNPACK #-}</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">Int</span><span class="p">,</span> <span class="c1" style="color: #998; font-style: italic;">-- number of chars</span></span>
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<td class="diff-line-num old_line" data-linenumber="197" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
197
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197
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<pre style="margin: 0;"> <span id="LC197" class="line" lang="haskell"> <span class="n" style="color: #333;">fs_sbs</span> <span class="o" style="font-weight: 600;">::</span> <span class="cp" style="color: #999; font-weight: 600;">{-# UNPACK #-}</span> <span class="o" style="font-weight: 600;">!</span><span class="kt" style="color: #458; font-weight: 600;">ShortByteString</span><span class="p">,</span></span>
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<td class="diff-line-num old_line" data-linenumber="198" style="width: 35px; color: rgba(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="LC198" class="line" lang="haskell"> <span class="n" style="color: #333;">fs_zenc</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FastZString</span></span>
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199
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<pre style="margin: 0;">-<span id="LC199" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ^ Lazily computed z-encoding of this string.</span></span>
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<pre style="margin: 0;">+<span id="LC199" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- ^ Lazily computed Z-encoding of this string. See Note [Z-Encoding] in</span></span>
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<pre style="margin: 0;">+<span id="LC200" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- GHC.Utils.Encoding.</span></span>
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201
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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<td class="diff-line-num new_line" data-linenumber="202" style="width: 35px; color: rgba(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="LC202" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- Since 'FastString's are globally memoized this is computed at most</span></span>
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- once for any given string.</span></span>
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<li id="3a20b44f1537b8be0997dbde4c6c109dacd4ca70">
<a href="https://gitlab.haskell.org/ghc/ghc/-/compare/147bb59826087300f989addfcf79e3956f6ed66b...c12b3041e533962b8d0ac9ee44e928f874c11671#3a20b44f1537b8be0997dbde4c6c109dacd4ca70"><strong>compiler/GHC/Utils/Encoding.hs</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="277" style="width: 35px; color: rgba(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="277" style="width: 35px; color: rgba(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">@@ -277,7 +277,8 @@ utf8EncodedLength str = go 0 str</td>
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<pre style="margin: 0;"> <span id="LC277" 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;">go</span> <span class="p">(</span><span class="n" style="color: #333;">n</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">4</span><span class="p">)</span> <span class="n" style="color: #333;">cs</span></span>
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<pre style="margin: 0;"> <span id="LC278" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC279" 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="LC280" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- The Z-encoding</span></span>
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<pre style="margin: 0;">+<span id="LC280" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- Note [Z-Encoding]</span></span>
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<pre style="margin: 0;">+<span id="LC281" 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="LC282" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">{-</span></span>
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<pre style="margin: 0;"> <span id="LC284" class="line" lang="haskell"><span class="cm" style="color: #998; font-style: italic;">This is the main name-encoding and decoding function. It encodes any</span></span>
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