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<h1>libc++ Upcoming Meeting Status</h1>
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<p>This is a temporary page; please check the c++1z status <a href="cxx1z_status.html">here</a></p>
<p>This page shows the status of the papers and issues that are expected to be adopted in the next WG21 Meeting.</p>
<p>The groups that have contributed papers:
<ul>
<li>LWG - Library working group</li>
<li>CWG - Core Language Working group</li>
<li>SG1 - Study group #1 (Concurrency working group)</li>
</ul>
</p>
<h3>Paper Status</h3>
<table id="papers" border="1">
<tr><th>Paper #</th><th>Paper Name</th><th>Meeting</th><th>Status</th></tr>
<tr><td><a href="https://wg21.link/P0805R1">P0805R1</a></td><td>Comparing Containers</td><td>Jacksonville</td><td><i>Patch Ready: <a href="https://reviews.llvm.org/D43773">D43773</a></i></td></tr>
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<tr><td><a href="https://wg21.link/LWGn3346">3346</a></td><td>LWG</td><td>Terminology for Container Element Requirements - Rev 1</td><td>Kona</td><td>Complete</td><td>3.4</td></tr>
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</table>
<h3>Library Working group Issues Status</h3>
<table id="issues" border="1">
<tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr>
<tr><td><a href="https://wg21.link/LWG2139">2139</a></td><td>What is a user-defined type?</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2970">2970</a></td><td>Return type of std::visit misspecified</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3058">3058</a></td><td>Parallel adjacent_difference shouldn't require creating temporaries</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3062">3062</a></td><td>Unnecessary decay_t in is_execution_policy_v should be remove_cvref_t</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3067">3067</a></td><td>recursive_directory_iterator::pop must invalidate</td><td>Rapperswil</td><td><i>Nothing to do</i></td></tr>
<tr><td><a href="https://wg21.link/LWG3071">3071</a></td><td>[networking.ts] read_until still refers to "input sequence"</td><td>Rapperswil</td><td><i>Nothing to do</i></td></tr>
<tr><td><a href="https://wg21.link/LWG3074">3074</a></td><td>Non-member functions for valarray should only deduce from the valarray</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3076">3076</a></td><td>basic_string CTAD ambiguity</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3079">3079</a></td><td>LWG 2935 forgot to fix the existing_p overloads of create_directory</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3080">3080</a></td><td>Floating point from_chars pattern specification breaks round-tripping</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3083">3083</a></td><td>What should ios::iword(-1) do?</td><td>Rapperswil</td><td><i>Nothing to do</i></td></tr>
<tr><td><a href="https://wg21.link/LWG3094">3094</a></td><td>[time.duration.io]p4 makes surprising claims about encoding</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3100">3100</a></td><td>Unnecessary and confusing "empty span" wording</td><td>Rapperswil</td><td><i>Nothing to do</i></td></tr>
<tr><td><a href="https://wg21.link/LWG3102">3102</a></td><td>Clarify span iterator and const_iterator behavior</td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG3104">3104</a></td><td>Fixing duration division</td><td>Rapperswil</td><td>Complete</td></tr>
</table>
<h3>Issues to "Review"</h3>
<table border="1">
<tr><th>Issue #</th><th>Issue Name</th><th>Meeting</th><th>Status</th></tr>
<tr><td><a href="https://wg21.link/LWG2412">2412</a></td><td><tt>promise::set_value()</tt> and <tt>promise::get_future()</tt> should not race</td><td>Rapperswil</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2682">2682</a></td><td><code>filesystem::copy()</code> won't create a symlink to a directory</td><td>Rapperswil</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2697">2697</a></td><td>[concurr.ts] Behavior of <tt>future/shared_future</tt> unwrapping constructor when given an invalid <tt>future</tt></td><td>Rapperswil</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2708">2708</a></td><td><tt>recursive_directory_iterator::recursion_pending()</tt> is incorrectly specified</td><td>Rapperswil</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2936">2936</a></td><td>Path comparison is defined in terms of the generic format</td><td>Rapperswil</td><td></td></tr>
</table>
<h3>Comments about the issues</h3>
<ul>
<li>2139 - I think that this is just wording cleanup.</li>
<li>2970 - I think that we already do this - checking with Michael.</li>
<li>3058 - We don't do the parallel algos yet</li>
<li>3062 - This should be very easy.</li>
<li>3067 - Adding restrictions; no code changes needed.</li>
<li>3071 - This is just wording cleanup.</li>
<li>3074 - Large change, that looks straightforward.</li>
<li>3076 - </li>
<li>3079 - Eric? </li>
<li>3080 - We don't have a from_chars implementation yet.</li>
<li>3083 - This is just wording cleanup.</li>
<li>3094 - We haven't implemented Howard's date library yet.</li>
<li>3100 - This is just wording cleanup.</li>
<li>3102 - This should be just adding tests.</li>
<li>3104 - We already do this.</li>
</ul>
<h3>Comments about the "Review" issues</h3>
<ul>
<li> 2412 - I think we do this already</li>
<li> 2682 - We already to this </li>
<li> 2697 - No concurrency TS implementation yet</li>
<li> 2708 - We already do this </li>
<li> 2936 - Eric - don't we do this already?</li>
</ul>
<p>Last Updated: 10-May-2018</p>
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