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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>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/aa4891a729649051f45adcef1fddbda1b0639e94">aa4891a7</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-20T02:16:51Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Fix a variety of broken links and syntax
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/fe819dd637842fb564524a7cf80612a3673ce14c">fe819dd6</a></strong>
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<span>by Ben Gamari</span>
<i>at 2019-06-20T02:16:51Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Update -Wsafe description for #16689
We no longer emit a warning when a safe module is explicitly declared as
such.
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<h4>5 changed files:</h4>
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<a href="#04359c28c9e4de11d44a0c6ab10e9245d68ee640">
docs/users_guide/bugs.rst
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<li class="file-stats">
<a href="#d7b19ee7fec8a7412de70be27f090f4992b40ad6">
docs/users_guide/codegens.rst
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<li class="file-stats">
<a href="#616606d7ec92f17c847240a7bc125e1d8c9c00a1">
docs/users_guide/extending_ghc.rst
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<a href="#40d93f06cdb95d1c98a6b3832d0153e59839d832">
docs/users_guide/glasgow_exts.rst
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<a href="#fcd312a649a43f4ccd8e43e52a19037131c9a687">
docs/users_guide/safe_haskell.rst
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<h4>Changes:</h4>
<li id="04359c28c9e4de11d44a0c6ab10e9245d68ee640">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/d406a16ac22e6ad02da0d2c75212614eda09d2cb...fe819dd637842fb564524a7cf80612a3673ce14c#04359c28c9e4de11d44a0c6ab10e9245d68ee640"><strong>docs/users_guide/bugs.rst</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="553" 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">@@ -553,7 +553,7 @@ Bugs in GHC</td>
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553
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<pre style="margin: 0;"> <span id="LC553" class="line" lang="plaintext"> To increase the limit, use -fsimpl-tick-factor=N (default 100)</span>
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<td class="diff-line-num old_line" data-linenumber="554" 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="LC554" class="line" lang="plaintext"></span>
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<td class="diff-line-num old_line" data-linenumber="555" 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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<td class="diff-line-num new_line" data-linenumber="555" 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="LC555" class="line" lang="plaintext"> with the panic being reported no matter how high a</span>
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<td class="diff-line-num old old_line" data-linenumber="556" 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="LC556" class="line" lang="plaintext"> :ghc-flag:`-fsimpl-tick-factor` you supply.</span>
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<td class="diff-line-num new old_line" data-linenumber="557" 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="556" 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="LC556" class="line" lang="plaintext"> :ghc-flag:`-fsimpl-tick-factor<span class="idiff left right"> <-fsimpl-tick-factor=⟨n⟩></span>` you supply.</span>
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<pre style="margin: 0;"> <span id="LC557" class="line" lang="plaintext"></span>
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<td class="diff-line-num old_line" data-linenumber="558" 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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<td class="diff-line-num new_line" data-linenumber="558" 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="LC558" class="line" lang="plaintext"> We have never found another class of programs, other than this</span>
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<td class="diff-line-num old_line" data-linenumber="559" 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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<td class="diff-line-num new_line" data-linenumber="559" 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="LC559" class="line" lang="plaintext"> contrived one, that makes GHC diverge, and fixing the problem would</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="585" 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="585" 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">@@ -585,7 +585,7 @@ Bugs in GHC</td>
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<td class="diff-line-num old_line" data-linenumber="585" 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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<td class="diff-line-num new_line" data-linenumber="585" 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="LC585" class="line" lang="plaintext"> libraries that come with GHC are probably built without this option,</span>
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<td class="diff-line-num old_line" data-linenumber="586" 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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<td class="diff-line-num new_line" data-linenumber="586" 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="LC586" class="line" lang="plaintext"> unless you built GHC yourself.</span>
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<pre style="margin: 0;"> <span id="LC587" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC588" class="line" lang="plaintext">- The :ghc-flag:`state hack <-fstate-hack>` optimization can result in</span>
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<pre style="margin: 0;">+<span id="LC588" class="line" lang="plaintext">- The :ghc-flag:`state hack <-f<span class="idiff left right">no-</span>state-hack>` optimization can result in</span>
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<pre style="margin: 0;"> <span id="LC589" class="line" lang="plaintext"> non-obvious changes in evaluation ordering which may hide exceptions, even</span>
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<pre style="margin: 0;"> <span id="LC590" class="line" lang="plaintext"> with :ghc-flag:`-fpedantic-bottoms` (see, e.g., :ghc-ticket:`7411`). For</span>
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<pre style="margin: 0;"> <span id="LC591" class="line" lang="plaintext"> instance, ::</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/d406a16ac22e6ad02da0d2c75212614eda09d2cb...fe819dd637842fb564524a7cf80612a3673ce14c#d7b19ee7fec8a7412de70be27f090f4992b40ad6"><strong>docs/users_guide/codegens.rst</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="76" 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">@@ -76,6 +76,13 @@ C Code Generator (``-fvia-C``)</td>
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="plaintext"> single: C code generator</span>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="plaintext"> single: -fvia-C</span>
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<pre style="margin: 0;"> <span id="LC78" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC79" class="line" lang="plaintext">.. ghc-flag:: -fvia-C</span>
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<pre style="margin: 0;">+<span id="LC80" class="line" lang="plaintext"> :shortdesc: use the C code generator</span>
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<pre style="margin: 0;">+<span id="LC81" class="line" lang="plaintext"> :type: dynamic</span>
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<pre style="margin: 0;">+<span id="LC82" class="line" lang="plaintext"> :category: warnings</span>
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<pre style="margin: 0;">+<span id="LC83" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">+<span id="LC84" class="line" lang="plaintext"> Use the C code generator. Only supposed in unregisterised GHC builds.</span>
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<pre style="margin: 0;">+<span id="LC85" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC86" class="line" lang="plaintext">This is the oldest code generator in GHC and is generally not included</span>
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<pre style="margin: 0;"> <span id="LC87" class="line" lang="plaintext">any more having been deprecated around GHC 7.0. Select it with the</span>
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<pre style="margin: 0;"> <span id="LC88" class="line" lang="plaintext">:ghc-flag:`-fvia-C` flag.</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/d406a16ac22e6ad02da0d2c75212614eda09d2cb...fe819dd637842fb564524a7cf80612a3673ce14c#616606d7ec92f17c847240a7bc125e1d8c9c00a1"><strong>docs/users_guide/extending_ghc.rst</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">@@ -232,9 +232,10 @@ be reset with the :ghc-flag:`-fclear-plugins` option.</td>
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<pre style="margin: 0;"> <span id="LC232" class="line" lang="mosel"><span class="s1" style="color: #d14;"> :category: plugins</span></span>
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<pre style="margin: 0;"> <span id="LC233" class="line" lang="mosel"></span>
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<pre style="margin: 0;"> <span id="LC234" class="line" lang="mosel"><span class="s1" style="color: #d14;"> Clear the list of plugins previously specified with</span></span>
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<pre style="margin: 0;">-<span id="LC235" class="line" lang="mosel"><span class="s1" style="color: #d14;"> :ghc-flag:`-fplugin`. This is useful in GHCi where simply removing the</span></span>
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<pre style="margin: 0;">-<span id="LC236" class="line" lang="mosel"><span class="s1" style="color: #d14;"> :ghc-flag:`-fplugin` options from the command line is not possible. Instead</span></span>
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<pre style="margin: 0;">-<span id="LC237" class="line" lang="mosel"><span class="s1" style="color: #d14;"> `:set -fclear-plugins` can be used.</span></span>
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<pre style="margin: 0;">+<span id="LC235" class="line" lang="mosel"><span class="s1" style="color: #d14;"> :ghc-flag:`-fplugin <-fplugin=⟨module⟩>`. This is useful in GHCi where</span></span>
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<pre style="margin: 0;">+<span id="LC236" class="line" lang="mosel"><span class="s1" style="color: #d14;"> simply removing the :ghc-flag:`-fplugin <-fplugin=⟨module⟩>` options from</span></span>
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<pre style="margin: 0;">+<span id="LC237" class="line" lang="mosel"><span class="s1" style="color: #d14;"> the command line is not possible. Instead `:set -fclear-plugins` can be</span></span>
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<pre style="margin: 0;">+<span id="LC238" class="line" lang="mosel"><span class="s1" style="color: #d14;"> used.</span></span>
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<pre style="margin: 0;"> <span id="LC239" class="line" lang="mosel"></span>
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<pre style="margin: 0;"> <span id="LC240" class="line" lang="mosel"></span>
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<pre style="margin: 0;"> <span id="LC241" class="line" lang="mosel"><span class="s1" style="color: #d14;">As an example, in order to load the plugin exported by ``Foo.Plugin`` in</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/d406a16ac22e6ad02da0d2c75212614eda09d2cb...fe819dd637842fb564524a7cf80612a3673ce14c#40d93f06cdb95d1c98a6b3832d0153e59839d832"><strong>docs/users_guide/glasgow_exts.rst</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">@@ -416,6 +416,7 @@ It must be enabled in modules where either of the following occur:</td>
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<pre style="margin: 0;"> <span id="LC416" class="line" lang="mosel"><span class="s1" style="color: #d14;">- A data family is declared with a kind other than ``Type``. Both ``Foo``</span></span>
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<pre style="margin: 0;"> <span id="LC417" class="line" lang="mosel"><span class="s1" style="color: #d14;"> and ``Bar``, defined below, fall into this category:</span></span>
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<pre style="margin: 0;"> <span id="LC418" class="line" lang="mosel"><span class="s1" style="color: #d14;"> ::</span></span>
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<pre style="margin: 0;">+<span id="LC419" class="line" lang="mosel"></span>
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<pre style="margin: 0;"> <span id="LC420" class="line" lang="mosel"><span class="s1" style="color: #d14;"> class Foo a where</span></span>
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<pre style="margin: 0;"> <span id="LC421" class="line" lang="mosel"><span class="s1" style="color: #d14;"> data FooKey a :: TYPE '</span><span class="n" style="color: #333;">IntRep</span></span>
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<pre style="margin: 0;"> <span id="LC422" class="line" lang="mosel"> <span class="n" style="color: #333;">class</span> <span class="n" style="color: #333;">Bar</span> <span class="p">(</span><span class="n" style="color: #333;">r</span> <span class="p">::</span> <span class="n" style="color: #333;">RuntimeRep</span><span class="p">)</span> <span class="n" style="color: #333;">where</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">@@ -425,6 +426,7 @@ It must be enabled in modules where either of the following occur:</td>
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<pre style="margin: 0;"> <span id="LC426" class="line" lang="mosel"> <span class="n" style="color: #333;">following</span> <span class="n" style="color: #333;">instances</span> <span class="k" style="font-weight: 600;">of</span> <span class="p">``</span><span class="n" style="color: #333;">Foo</span><span class="p">``</span> <span class="k" style="font-weight: 600;">and</span> <span class="p">``</span><span class="n" style="color: #333;">Bar</span><span class="p">``</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">defined</span> <span class="n" style="color: #333;">above</span> <span class="n" style="color: #333;">fall</span> <span class="n" style="color: #333;">into</span></span>
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<pre style="margin: 0;"> <span id="LC427" class="line" lang="mosel"> <span class="n" style="color: #333;">this</span> <span class="n" style="color: #333;">category</span><span class="p">.</span></span>
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<pre style="margin: 0;"> <span id="LC428" class="line" lang="mosel"> <span class="p">::</span></span>
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<pre style="margin: 0;">+<span id="LC429" class="line" lang="mosel"></span>
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<pre style="margin: 0;"> <span id="LC430" class="line" lang="mosel"> <span class="n" style="color: #333;">instance</span> <span class="n" style="color: #333;">Foo</span> <span class="n" style="color: #333;">Bool</span> <span class="n" style="color: #333;">where</span></span>
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<pre style="margin: 0;"> <span id="LC431" class="line" lang="mosel"> <span class="n" style="color: #333;">newtype</span> <span class="n" style="color: #333;">FooKey</span> <span class="n" style="color: #333;">Bool</span> <span class="p">=</span> <span class="n" style="color: #333;">FooKeyBoolC</span> <span class="n" style="color: #333;">Int</span><span class="p">#</span></span>
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<pre style="margin: 0;"> <span id="LC432" class="line" lang="mosel"> <span class="n" style="color: #333;">instance</span> <span class="n" style="color: #333;">Bar</span> <span class="s1" style="color: #d14;">'WordRep where</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/d406a16ac22e6ad02da0d2c75212614eda09d2cb...fe819dd637842fb564524a7cf80612a3673ce14c#fcd312a649a43f4ccd8e43e52a19037131c9a687"><strong>docs/users_guide/safe_haskell.rst</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">@@ -255,28 +255,29 @@ normally would.</td>
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<pre style="margin: 0;"> <span id="LC255" class="line" lang="mosel"><span class="s1" style="color: #d14;">To achieve these properties, in the safe language dialect we disable</span></span>
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<pre style="margin: 0;"> <span id="LC256" class="line" lang="mosel"><span class="s1" style="color: #d14;">completely the following features:</span></span>
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<pre style="margin: 0;"> <span id="LC257" class="line" lang="mosel"></span>
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<pre style="margin: 0;">-<span id="LC258" class="line" lang="mosel"><span class="s1" style="color: #d14;">- ``TemplateHaskell`` — Can be used to gain access to constructors and abstract</span></span>
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<pre style="margin: 0;">-<span id="LC259" class="line" lang="mosel"><span class="s1" style="color: #d14;"> data types that weren'</span><span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">exported</span> <span class="n" style="color: #333;">by</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">module</span><span class="p">,</span> <span class="n" style="color: #333;">subverting</span> <span class="n" style="color: #333;">module</span> <span class="n" style="color: #333;">boundaries</span><span class="p">.</span></span>
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<pre style="margin: 0;">+<span id="LC258" class="line" lang="mosel"><span class="s1" style="color: #d14;">- :extension:`TemplateHaskell` — Can be used to gain access to constructors and</span></span>
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<pre style="margin: 0;">+<span id="LC259" class="line" lang="mosel"><span class="s1" style="color: #d14;"> abstract data types that weren'</span><span class="n" style="color: #333;">t</span> <span class="n" style="color: #333;">exported</span> <span class="n" style="color: #333;">by</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">module</span><span class="p">,</span> <span class="n" style="color: #333;">subverting</span> <span class="n" style="color: #333;">module</span></span>
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<pre style="margin: 0;">+<span id="LC260" class="line" lang="mosel"> <span class="n" style="color: #333;">boundaries</span><span class="p">.</span></span>
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260
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261
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<pre style="margin: 0;"> <span id="LC261" class="line" lang="mosel"></span>
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261
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262
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="mosel"><span class="n" style="color: #333;">Furthermore</span><span class="p">,</span> <span class="n" style="color: #333;">we</span> <span class="n" style="color: #333;">restrict</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">following</span> <span class="n" style="color: #333;">features</span><span class="p">:</span></span>
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262
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263
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<pre style="margin: 0;"> <span id="LC263" class="line" lang="mosel"></span>
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263
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<pre style="margin: 0;">-<span id="LC263" class="line" lang="mosel"><span class="p">-</span> <span class="p"><span class="idiff left">``</span></span><span class="n" style="color: #333;"><span class="idiff">ForeignFunctionInterface</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="err" style="color: #a61717; background-color: #e3d2d2;"><span class="idiff">—</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">Foreign</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">import</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">declarations</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">that</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">import</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">a</span></span></span>
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264
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<pre style="margin: 0;">-<span id="LC264" class="line" lang="mosel"> <span class="k" style="font-weight: 600;">function</span> <span class="k" style="font-weight: 600;">with</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">non</span><span class="p">-``</span><span class="n" style="color: #333;">IO</span><span class="p">``</span> <span class="n" style="color: #333;">type</span> <span class="n" style="color: #333;">are</span> <span class="n" style="color: #333;">disallowed</span><span class="p">.</span></span>
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264
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<pre style="margin: 0;">+<span id="LC264" class="line" lang="mosel"><span class="p">-</span> <span class="p"><span class="idiff left">:</span></span><span class="n" style="color: #333;"><span class="idiff">extension</span></span><span class="p"><span class="idiff">:`</span></span><span class="n" style="color: #333;"><span class="idiff">ForeignFunctionInterface</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="err" style="color: #a61717; background-color: #e3d2d2;"><span class="idiff">—</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">Foreign</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">import</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">declarations</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">that</span></span></span>
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265
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<pre style="margin: 0;">+<span id="LC265" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">import</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">a</span></span><span class="idiff right"> </span><span class="k" style="font-weight: 600;">function</span> <span class="k" style="font-weight: 600;">with</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">non</span><span class="p">-``</span><span class="n" style="color: #333;">IO</span><span class="p">``</span> <span class="n" style="color: #333;">type</span> <span class="n" style="color: #333;">are</span> <span class="n" style="color: #333;">disallowed</span><span class="p">.</span></span>
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<pre style="margin: 0;"> <span id="LC266" class="line" lang="mosel"></span>
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<pre style="margin: 0;">-<span id="LC266" class="line" lang="mosel"><span class="p">-</span> <span class="p">``</span><span class="n" style="color: #333;">RULES</span><span class="p">``</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">—</span> <span class="n" style="color: #333;">Rewrite</span> <span class="n" style="color: #333;">rules</span> <span class="n" style="color: #333;">defined</span> <span class="k" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">module</span> <span class="n" style="color: #333;">M</span> <span class="n" style="color: #333;">compiled</span> <span class="k" style="font-weight: 600;">with</span><span class="idiff left"> </span><span class="p"><span class="idiff">:</span></span><span class="n" style="color: #333;"><span class="idiff">extension</span></span><span class="p"><span class="idiff">:`</span></span><span class="n" style="color: #333;"><span class="idiff">Safe</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">are</span></span></span>
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267
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<td class="diff-line-num new_line old" data-linenumber="267" 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="LC267" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">dropped</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">Rules</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">defined</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">in</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">Trustworthy</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">modules</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">that</span></span><span class="idiff"> </span><span class="p"><span class="idiff">``</span></span><span class="n" style="color: #333;"><span class="idiff">M</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">imports</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">are</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">still</span></span></span>
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268
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<pre style="margin: 0;">-<span id="LC268" class="line" lang="mosel"> <span class="n" style="color: #333;">valid</span> <span class="k" style="font-weight: 600;">and</span> <span class="n" style="color: #333;">will</span> <span class="n" style="color: #333;">fire</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">usual</span><span class="p">.</span></span>
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267
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<pre style="margin: 0;">+<span id="LC267" class="line" lang="mosel"><span class="p">-</span> <span class="p">``</span><span class="n" style="color: #333;">RULES</span><span class="p">``</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">—</span> <span class="n" style="color: #333;">Rewrite</span> <span class="n" style="color: #333;">rules</span> <span class="n" style="color: #333;">defined</span> <span class="k" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">module</span> <span class="n" style="color: #333;">M</span> <span class="n" style="color: #333;">compiled</span> <span class="k" style="font-weight: 600;">with</span></span>
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268
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<pre style="margin: 0;">+<span id="LC268" class="line" lang="mosel"> <span class="p"><span class="idiff left">:</span></span><span class="n" style="color: #333;"><span class="idiff">extension</span></span><span class="p"><span class="idiff">:`</span></span><span class="n" style="color: #333;"><span class="idiff">Safe</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">are</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">dropped</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">Rules</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">defined</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">in</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">Trustworthy</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">modules</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">that</span></span></span>
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269
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<pre style="margin: 0;">+<span id="LC269" class="line" lang="mosel"> <span class="p"><span class="idiff left">``</span></span><span class="n" style="color: #333;"><span class="idiff">M</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">imports</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">are</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">still</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">valid</span> <span class="k" style="font-weight: 600;">and</span> <span class="n" style="color: #333;">will</span> <span class="n" style="color: #333;">fire</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">usual</span><span class="p">.</span></span>
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270
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<pre style="margin: 0;"> <span id="LC270" class="line" lang="mosel"></span>
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270
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<pre style="margin: 0;">-<span id="LC270" class="line" lang="mosel"><span class="p">-</span> <span class="p"><span class="idiff left">``</span></span><span class="n" style="color: #333;"><span class="idiff">OverlappingInstances</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="err" style="color: #a61717; background-color: #e3d2d2;"><span class="idiff">—</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">There</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">no</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">restriction</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">on</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">creation</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff right">of</span></span></span>
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271
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<pre style="margin: 0;">-<span id="LC271" class="line" lang="mosel"> <span class="n" style="color: #333;">overlapping</span> <span class="n" style="color: #333;">instances</span><span class="p">,</span> <span class="n" style="color: #333;">but</span> <span class="n" style="color: #333;">we</span> <span class="k" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">restrict</span> <span class="n" style="color: #333;">their</span> <span class="n" style="color: #333;">use</span> <span class="n" style="color: #333;">at</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">particular</span> <span class="n" style="color: #333;">call</span></span>
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271
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<pre style="margin: 0;">+<span id="LC271" class="line" lang="mosel"><span class="p">-</span> <span class="p"><span class="idiff left">:</span></span><span class="n" style="color: #333;"><span class="idiff">extension</span></span><span class="p"><span class="idiff">:`</span></span><span class="n" style="color: #333;"><span class="idiff">OverlappingInstances</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="err" style="color: #a61717; background-color: #e3d2d2;"><span class="idiff">—</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">There</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">no</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">restriction</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">on</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">creation</span></span></span>
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272
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<pre style="margin: 0;">+<span id="LC272" class="line" lang="mosel"> <span class="k" style="font-weight: 600;">o<span class="idiff left">f</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">o</span>verlapping</span> <span class="n" style="color: #333;">instances</span><span class="p">,</span> <span class="n" style="color: #333;">but</span> <span class="n" style="color: #333;">we</span> <span class="k" style="font-weight: 600;">do</span> <span class="n" style="color: #333;">restrict</span> <span class="n" style="color: #333;">their</span> <span class="n" style="color: #333;">use</span> <span class="n" style="color: #333;">at</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">particular</span> <span class="n" style="color: #333;">call</span></span>
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272
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273
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<pre style="margin: 0;"> <span id="LC273" class="line" lang="mosel"> <span class="n" style="color: #333;">site</span><span class="p">.</span> <span class="n" style="color: #333;">This</span> <span class="n" style="color: #333;">is</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">detailed</span> <span class="n" style="color: #333;">restriction</span><span class="p">,</span> <span class="n" style="color: #333;">please</span> <span class="n" style="color: #333;">refer</span> <span class="k" style="font-weight: 600;">to</span> <span class="p">:</span><span class="n" style="color: #333;">ref</span><span class="p">:`</span><span class="n" style="color: #333;">Safe</span> <span class="n" style="color: #333;">Overlapping</span></span>
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273
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274
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<pre style="margin: 0;"> <span id="LC274" class="line" lang="mosel"> <span class="n" style="color: #333;">Instances</span> <span class="p"><</span><span class="n" style="color: #333;">safe</span><span class="p">-</span><span class="n" style="color: #333;">overlapping</span><span class="p">-</span><span class="n" style="color: #333;">instances</span><span class="p">>`</span> <span class="n" style="color: #333;">for</span> <span class="n" style="color: #333;">details</span><span class="p">.</span></span>
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274
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<pre style="margin: 0;"> <span id="LC275" class="line" lang="mosel"></span>
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<pre style="margin: 0;">-<span id="LC275" class="line" lang="mosel"><span class="p">-</span> <span class="p"><span class="idiff left">``</span></span><span class="n" style="color: #333;"><span class="idiff">GeneralisedNewtypeDeriving</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="err" style="color: #a61717; background-color: #e3d2d2;"><span class="idiff">—</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">GND</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">not</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">allowed</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">in</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">safe</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">language</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">This</span></span></span>
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276
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<pre style="margin: 0;">-<span id="LC276" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">is</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">due</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">to</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ability</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">of</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">it</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">to</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">violate</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">module</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">boundaries</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">when</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">module</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">authors</span></span></span>
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277
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<pre style="margin: 0;">-<span id="LC277" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">forget</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">to</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">put</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nominal</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">role</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">annotations</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">on</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">their</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">types</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">as</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">appropriate</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">For</span></span></span>
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278
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<pre style="margin: 0;">-<span id="LC278" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">this</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">reason</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="p"><span class="idiff">``</span></span><span class="n" style="color: #333;"><span class="idiff">Data</span></span><span class="p"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">Coerce</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">module</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">also</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">considered</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">unsafe</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">We</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">are</span></span></span>
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279
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<pre style="margin: 0;">-<span id="LC279" class="line" lang="mosel"> <span class="n" style="color: #333;">hoping</span> <span class="k" style="font-weight: 600;">to</span> <span class="n" style="color: #333;">find</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">better</span> <span class="n" style="color: #333;">solution</span> <span class="n" style="color: #333;">here</span> <span class="k" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">future</span><span class="p">.</span></span>
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276
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<pre style="margin: 0;">+<span id="LC276" class="line" lang="mosel"><span class="p">-</span> <span class="p"><span class="idiff left">:</span></span><span class="n" style="color: #333;"><span class="idiff">extension</span></span><span class="p"><span class="idiff">:`</span></span><span class="n" style="color: #333;"><span class="idiff">GeneralisedNewtypeDeriving</span></span><span class="p"><span class="idiff">`</span></span><span class="idiff"> </span><span class="err" style="color: #a61717; background-color: #e3d2d2;"><span class="idiff">—</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">GND</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">not</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">allowed</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">in</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">safe</span></span></span>
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277
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<pre style="margin: 0;">+<span id="LC277" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">language</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">This</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">due</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">to</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ability</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">of</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">it</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">to</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">violate</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">module</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">boundaries</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">when</span></span></span>
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278
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<pre style="margin: 0;">+<span id="LC278" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">module</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">authors</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">forget</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">to</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">put</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">nominal</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">role</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">annotations</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">on</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">their</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">types</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff right">as</span></span></span>
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<td class="diff-line-num new new_line" data-linenumber="279" 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">
279
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<pre style="margin: 0;">+<span id="LC279" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">appropriate</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">For</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">this</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">reason</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">the</span></span><span class="idiff"> </span><span class="p"><span class="idiff">``</span></span><span class="n" style="color: #333;"><span class="idiff">Data</span></span><span class="p"><span class="idiff">.</span></span><span class="n" style="color: #333;"><span class="idiff">Coerce</span></span><span class="p"><span class="idiff">``</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">module</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">is</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">also</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">considered</span></span></span>
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<td class="diff-line-num new new_line" data-linenumber="280" 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">
280
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<pre style="margin: 0;">+<span id="LC280" class="line" lang="mosel"> <span class="n" style="color: #333;"><span class="idiff left">unsafe</span></span><span class="p"><span class="idiff">.</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">We</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">are</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">hoping</span> <span class="k" style="font-weight: 600;">to</span> <span class="n" style="color: #333;">find</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">better</span> <span class="n" style="color: #333;">solution</span> <span class="n" style="color: #333;">here</span> <span class="k" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">future</span><span class="p">.</span></span>
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280
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281
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<pre style="margin: 0;"> <span id="LC281" class="line" lang="mosel"></span>
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281
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<td class="diff-line-num new_line" data-linenumber="282" 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">
282
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="mosel"><span class="p">-</span> <span class="p">``</span><span class="n" style="color: #333;">GHC</span><span class="p">.</span><span class="n" style="color: #333;">Generics</span><span class="p">``</span> <span class="err" style="color: #a61717; background-color: #e3d2d2;">—</span> <span class="n" style="color: #333;">Hand</span> <span class="n" style="color: #333;">crafted</span> <span class="n" style="color: #333;">instances</span> <span class="k" style="font-weight: 600;">of</span> <span class="n" style="color: #333;">the</span> <span class="p">``</span><span class="n" style="color: #333;">Generic</span><span class="p">``</span> <span class="n" style="color: #333;">type</span> <span class="n" style="color: #333;">class</span> <span class="n" style="color: #333;">are</span></span>
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282
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<td class="diff-line-num new_line" data-linenumber="283" 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">
283
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="mosel"> <span class="k" style="font-weight: 600;">not</span> <span class="n" style="color: #333;">allowed</span> <span class="k" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">Safe</span> <span class="n" style="color: #333;">Haskell</span><span class="p">.</span> <span class="n" style="color: #333;">Such</span> <span class="n" style="color: #333;">instances</span> <span class="n" style="color: #333;">aren</span><span class="s1" style="color: #d14;">'t strictly unsafe, but</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="760" 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="761" 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">@@ -760,7 +761,8 @@ And three warning flags:</td>
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760
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761
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<pre style="margin: 0;"> <span id="LC761" class="line" lang="mosel"></span>
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761
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762
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<pre style="margin: 0;"> <span id="LC762" class="line" lang="mosel"> <span class="n" style="color: #333;">Issue</span> <span class="n" style="color: #333;">a</span> <span class="n" style="color: #333;">warning</span> <span class="k" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">module</span> <span class="n" style="color: #333;">being</span> <span class="n" style="color: #333;">compiled</span> <span class="n" style="color: #333;">is</span> <span class="n" style="color: #333;">regarded</span> <span class="k" style="font-weight: 600;">to</span> <span class="n" style="color: #333;">be</span> <span class="n" style="color: #333;">safe</span><span class="p">.</span></span>
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762
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<td class="diff-line-num new_line" data-linenumber="763" 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">
763
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<pre style="margin: 0;"> <span id="LC763" class="line" lang="mosel"> <span class="n" style="color: #333;">Should</span> <span class="n" style="color: #333;">be</span> <span class="n" style="color: #333;">used</span> <span class="k" style="font-weight: 600;">to</span> <span class="n" style="color: #333;">check</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">safety</span> <span class="n" style="color: #333;">type</span> <span class="k" style="font-weight: 600;">of</span> <span class="n" style="color: #333;">modules</span> <span class="n" style="color: #333;">when</span> <span class="n" style="color: #333;">using</span> <span class="n" style="color: #333;">safe</span></span>
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763
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<pre style="margin: 0;">-<span id="LC763" class="line" lang="mosel"> <span class="n" style="color: #333;">inference</span><span class="p">.</span></span>
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764
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<pre style="margin: 0;">+<span id="LC764" class="line" lang="mosel"> <span class="n" style="color: #333;">inference</span><span class="p">.</span> <span class="k" style="font-weight: 600;">If</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">module</span> <span class="n" style="color: #333;">is</span> <span class="n" style="color: #333;">explicitly</span> <span class="n" style="color: #333;">marked</span> <span class="k" style="font-weight: 600;">as</span> <span class="n" style="color: #333;">safe</span> <span class="k" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">no</span> <span class="n" style="color: #333;">warning</span> <span class="n" style="color: #333;">will</span></span>
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765
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<pre style="margin: 0;">+<span id="LC765" class="line" lang="mosel"> <span class="n" style="color: #333;">be</span> <span class="n" style="color: #333;">issued</span><span class="p">.</span></span>
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764
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766
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<pre style="margin: 0;"> <span id="LC766" class="line" lang="mosel"></span>
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765
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<td class="diff-line-num new_line" data-linenumber="767" 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">
767
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<pre style="margin: 0;"> <span id="LC767" class="line" lang="mosel"><span class="p">..</span> <span class="n" style="color: #333;">ghc</span><span class="p">-</span><span class="n" style="color: #333;">flag</span><span class="p">::</span> <span class="p">-</span><span class="n" style="color: #333;">Wtrustworthy</span><span class="p">-</span><span class="n" style="color: #333;">safe</span></span>
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766
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768
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<pre style="margin: 0;"> <span id="LC768" class="line" lang="mosel"> <span class="p">:</span><span class="n" style="color: #333;">shortdesc</span><span class="p">:</span> <span class="n" style="color: #333;">warn</span> <span class="k" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">the</span> <span class="n" style="color: #333;">module</span> <span class="n" style="color: #333;">being</span> <span class="n" style="color: #333;">compiled</span> <span class="n" style="color: #333;">is</span> <span class="n" style="color: #333;">marked</span> <span class="k" style="font-weight: 600;">as</span></span>
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