<section xmlns="http://docbook.org/ns/docbook" version="5.0" 
	 xml:id="status.iso.2014" xreflabel="Status C++ 2014">
<?dbhtml filename="status_iso_cxx2014.html"?>

<info><title>C++ 2014</title>
  <keywordset>
    <keyword>ISO C++</keyword>
    <keyword>2014</keyword>
  </keywordset>
</info>

<para>
In this implementation the <literal>-std=gnu++14</literal> or
<literal>-std=c++14</literal> flag must be used to enable language
and library
features. See <link linkend="manual.intro.using.flags">dialect</link>
options. The pre-defined symbol
<constant>__cplusplus</constant> is used to check for the
presence of the required flag.
</para>

<para>
This page describes the C++14 and library TS support in mainline GCC SVN,
not in any particular release.
</para>

<table frame="all" xml:id="table.cxx14_status">
<title>C++ 2014 Implementation Status</title>

<tgroup cols="4" align="left" colsep="0" rowsep="1">
<colspec colname="c1"/>
<colspec colname="c2"/>
<colspec colname="c3"/>
<colspec colname="c4"/>
  <thead>
    <row>
      <entry>Paper</entry>
      <entry>Title</entry>
      <entry>Status</entry>
      <entry>Comments</entry>
    </row>
  </thead>

  <tbody>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3669.pdf">
	  N3669
	</link>
      </entry>
      <entry>Fixing constexpr member functions without const</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3668.html">
	  N3668
	</link>
      </entry>
      <entry><code>exchange()</code> utility function</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3670.html">
	  N3670
	</link>
      </entry>
      <entry>Wording for Addressing Tuples by Type</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3656.htm">
	  N3656
	</link>
      </entry>
      <entry><code>make_unique</code></entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3462.html">
	  N3462
	</link>
      </entry>
      <entry><code>std::result_of</code> and SFINAE</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3545.pdf">
	  N3545
	</link>
      </entry>
      <entry>An Incremental Improvement to <code>integral_constant</code></entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3642.pdf">
	  N3642
	</link>
      </entry>
      <entry>User-defined Literals for Standard Library Types</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3671.html">
	  N3671
	</link>
      </entry>
      <entry>Making non-modifying sequence operations more robust</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3654.html">
	  N3654
	</link>
      </entry>
      <entry>Quoted Strings Library Proposal</entry>
      <entry>Y</entry>
      <entry/>
    </row>


    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3469.html">
	  N3469
	</link>
      </entry>
      <entry>Constexpr Library Additions: chrono</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3470.html">
	  N3470
	</link>
      </entry>
      <entry>Constexpr Library Additions: containers</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3471.html">
	  N3471
	</link>
      </entry>
      <entry>Constexpr Library Additions: utilities</entry>
      <entry>Y</entry>
      <entry/>
    </row>


    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3658.html">
	  N3658
	</link>
      </entry>
      <entry>Compile-time integer sequences</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3659.html">
	  N3659
	</link>
      </entry>
      <entry>Shared Locking in C++</entry>
      <entry>Y</entry>
      <entry/>
    </row>


    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2012/n3421.htm">
	  N3421
	</link>
      </entry>
      <entry>Making Operator Functors greater&lt;&gt;</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3657.htm">
	  N3657
	</link>
      </entry>
      <entry>Adding heterogeneous comparison lookup to associative containers</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3655.pdf">
	  N3655
	</link>
      </entry>
      <entry>TransformationTraits Redux</entry>
      <entry>Y</entry>
      <entry/>
    </row>

    <row>
      <?dbhtml bgcolor="#B0B0B0" ?>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3644.pdf">
	  N3644
	</link>
      </entry>
      <entry>Null Forward Iterators</entry>
      <entry>Partial</entry>
      <entry>Only affects Debug Mode</entry>
    </row>

  </tbody>
</tgroup>
</table>


<table frame="all" xml:id="table.ts_status">
<title>C++ Technical Specifications Implementation Status</title>

<tgroup cols="4" align="left" colsep="0" rowsep="1">
<colspec colname="c1"/>
<colspec colname="c2"/>
<colspec colname="c3"/>
<colspec colname="c4"/>
  <thead>
    <row>
      <entry>Paper</entry>
      <entry>Title</entry>
      <entry>Status</entry>
      <entry>Comments</entry>
    </row>
  </thead>

  <tbody>

    <row>
      <?dbhtml bgcolor="#C8B0B0" ?>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/sc22/WG21/docs/papers/2013/n3662.html">
	  N3662
	</link>
      </entry>
      <entry>C++ Dynamic Arrays</entry>
      <entry>N</entry>
      <entry>Array Extensions TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3793.html">
	  N3793
	</link>
      </entry>
      <entry>A proposal to add a utility class to represent optional objects</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3804.html">
	  N3804
	</link>
      </entry>
      <entry>Any library proposal</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <?dbhtml bgcolor="#C8B0B0" ?>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2014/n3866.html">
	  N3866
	</link>
      </entry>
      <entry>Invocation type traits, but dropping function_call_operator.</entry>
      <entry>N</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="">
	  N3905
	</link>
      </entry>
      <entry>Faster string searching (Boyer-Moore et al.)</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3915.pdf">
	  N3915
	</link>
      </entry>
      <entry>apply() call a function with arguments from a tuple</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <?dbhtml bgcolor="#B0B0B0" ?>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3916.pdf">
	  N3916
	</link>
      </entry>
      <entry>Polymorphic memory resources</entry>
      <entry>Partial (missing pool resource and buffer resource classes)</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3920.html">
	  N3920
	</link>
      </entry>
      <entry>Extending shared_ptr to support arrays</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3921.html">
	  N3921
	</link>
      </entry>
      <entry><code>string_view</code>: a non-owning reference to a string</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3925.pdf">
	  N3925
	</link>
      </entry>
      <entry>A sample proposal</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3932.htm">
	  N3932
	</link>
      </entry>
      <entry>Variable Templates For Type Traits</entry>
      <entry>Y</entry>
      <entry>Library Fundamentals TS</entry>
    </row>

    <row>
      <entry>
	<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4100.pdf">
	  N4100
	</link>
      </entry>
      <entry>File System</entry>
      <entry>Y</entry>
      <entry>
	Link with
	<link linkend="manual.intro.using.linkage.experimental">
	<option>-lstdc++fs</option></link>
      </entry>
    </row>


  </tbody>
</tgroup>
</table>

</section>
