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<!DOCTYPE html>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<p>&#19979;&#19968;&#20195;C++&#26631;&#20934;</p>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
<tr>
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<td class="mbox-text" style="">&#26412;&#33410;&#26410;&#23436;&#25104;</td>
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</table>
<h2><span class="mw-headline" id=".E6.96.B0.E7.9A.84.E8.AF.AD.E8.A8.80.E7.89.B9.E6.80.A7">&#26032;&#30340;&#35821;&#35328;&#29305;&#24615;</span></h2>
<h2><span class="mw-headline" id=".E6.96.B0.E7.9A.84.E5.BA.93.E7.89.B9.E6.80.A7">&#26032;&#30340;&#24211;&#29305;&#24615;</span></h2>
<h2><span class="mw-headline" id=".E7.BC.BA.E9.99.B7.E6.8A.A5.E5.91.8A">&#32570;&#38519;&#25253;&#21578;</span></h2>
<h2><span class="mw-headline" id=".E7.BC.96.E8.AF.91.E5.99.A8.E6.94.AF.E6.8C.81.E6.83.85.E5.86.B5">&#32534;&#35793;&#22120;&#25903;&#25345;&#24773;&#20917;</span></h2>
<p>&#20027;&#26465;&#30446;&#65306; <a href="cpp-compiler_support.html#C.2B.2B23_.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++ &#32534;&#35793;&#22120;&#25903;&#25345;</a></p>
<h3><span class="mw-headline" id="C.2B.2B23_.E6.A0.B8.E5.BF.83.E8.AF.AD.E8.A8.80.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++23 &#26680;&#24515;&#35821;&#35328;&#21151;&#33021;&#29305;&#24615;</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">
<tr style="height:15em">
<th style="vertical-align:bottom;">C++23 &#21151;&#33021;&#29305;&#24615;<br />
&nbsp;</th>
<th style="vertical-align:bottom;">&#25552;&#26696;<br />
&nbsp;</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>GCC</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Clang</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>MSVC</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Apple Clang</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>EDG eccp</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Intel C++</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>IBM XLC++</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Sun/Oracle C++</div>
</div>
</th>
<th scope="col" style="width: 40pt;">
<div class="t-vertical">
<div>Embarcadero C++ Builder</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Cray</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Nvidia HPC C++<br />
&#65288;&#21069; Portland Group/PGI&#65289;</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Nvidia nvcc</div>
</div>
</th>
<th></th>
</tr>
<tr>
<td>&#65288;&#26377;&#31526;&#21495;&#65289; <code>size_t</code> &#30340;<a href="cpp-language-integer_literal.html">&#23383;&#38754;&#37327;&#21518;&#32512;</a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P0330R8">P0330R8</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td>&#20351; <code>()</code> &#23545; <a href="cpp-language-lambda.html">lambda</a> &#26356;&#21487;&#36873;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1102R2">P1102R2</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td><a href="cpp-language-if.html#consteval_if"><tt>if consteval</tt></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1938R3">P1938R3</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td>&#31227;&#38500;&#22403;&#22334;&#25910;&#38598;&#25903;&#25345;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2186R2">P2186R2</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td>DR&#65306;C++ &#26631;&#35782;&#31526;&#35821;&#27861;&#20351;&#29992; Unicode &#26631;&#20934;&#38468;&#24405; 31</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1949R7">P1949R7</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">14</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td>DR&#65306;&#20801;&#35768;&#37325;&#22797;&#23646;&#24615;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2156R1">P2156R1</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td><a href="cpp-language-static_assert.html"><tt>static_assert</tt></a> &#19982; <a href="cpp-language-if.html#constexpr_if">constexpr if</a> &#20013;&#30340;&#31364;&#21270;&#25353;&#35821;&#22659;&#36716;&#25442;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1401R5">P1401R5</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">9</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="&#32570;&#23569; noexcept &#35828;&#26126;&#31526;&#26356;&#25913;">13 (&#37096;&#20998;)*</span><br />
14</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td>&#22312;&#25340;&#25509;&#34892;&#21069;&#21076;&#38500;&#31354;&#30333;&#31526;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2223R2">P2223R2</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr>
<td>&#20351;&#22768;&#26126;&#39034;&#24207;&#24067;&#23616;&#24378;&#21046;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1847R4">P1847R4</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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</tr>
<tr>
<td>&#31227;&#38500;&#28151;&#21512;&#23485;<a href="cpp-language-string_literal.html#.E6.8B.BC.E6.8E.A5">&#23383;&#31526;&#20018;&#23383;&#38754;&#37327;&#36830;&#25509;</a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2201R1">P2201R1</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">&#26159;</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
<tr style="height:15em">
<th style="vertical-align:bottom;">C++23 &#21151;&#33021;&#29305;&#24615;<br />
&nbsp;</th>
<th style="vertical-align:bottom;">&#25552;&#26696;<br />
&nbsp;</th>
<th>
<div class="t-vertical">
<div>GCC</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Clang</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>MSVC</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Apple Clang</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>EDG eccp</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Intel C++</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>IBM XLC++</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Sun/Oracle C++</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Embarcadero C++ Builder</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Cray</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Nvidia HPC C++</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Nvidia nvcc</div>
</div>
</th>
</tr>
</table>
<h3><span class="mw-headline" id="C.2B.2B23_.E5.BA.93.E5.8A.9F.E8.83.BD.E7.89.B9.E6.80.A7">C++23 &#24211;&#21151;&#33021;&#29305;&#24615;</span></h3>
<table class="wikitable tbody-scroll mw-collapsible" style="font-size:0.8em; width:100%">
<tr style="height:15em">
<th style="vertical-align:bottom;">C++23 &#21151;&#33021;&#29305;&#24615;<br />
&nbsp;</th>
<th style="vertical-align:bottom;">&#25552;&#26696;<br />
&nbsp;</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>GCC libstdc++</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Clang libc++</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>MSVC STL</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Apple Clang</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Sun/Oracle C++<br />
&#26631;&#20934;&#24211;</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Embarcadero C++ Builder<br />
&#26631;&#20934;&#24211;</div>
</div>
</th>
<th style="width: 40pt;">
<div class="t-vertical">
<div>Cray C++<br />
&#26631;&#20934;&#24211;</div>
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</th>
<th></th>
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<td><a href="cpp-utility.html#.E6.A0.88.E8.B8.AA">&#26632;&#36394;&#24211;</a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P0881R7">P0881R7</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-header-stdatomic.h.html"><tt>&lt;stdatomic.h&gt;</tt></a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-types-is_scoped_enum.html"><tt>std::is_scoped_enum</tt></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1048R1">P1048R1</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2022 17.0">19.30*</span></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-string-basic_string-contains.html"><tt>basic_string</tt></a>/<a href="cpp-string-basic_string_view-contains.html"><tt>basic_string_view</tt></a> &#30340; <code>contains()</code></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1679R3">P1679R3</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">12</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><span class="t-lc">std::to_underlying</span></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1682R3">P1682R3</a></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13</td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><span class="t-lc"><a href="cpp-utility-variant.html">std::variant</a></span> &#30340;&#27966;&#29983;&#31867;&#30340; <span class="t-lc"><a href="cpp-utility-variant-visit.html">std::visit</a></span></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2162R2">P2162R2</a></td>
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<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">13</td>
<td style="background: #ffff90; color: black; vertical-align: middle; text-align: center;" class="table-maybe"><span title="VS 2019 16.0">19.20*</span><span title="&#32570;&#23569;&#29305;&#24615;&#27979;&#35797;&#23439;">*</span></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>&#25918;&#26494; <span class="t-lc"><a href="cpp-chrono-time_point.html">time_point&lt;&gt;::clock</a></span> &#30340;&#35201;&#27714;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2212R2">P2212R2</a></td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"><small>N/A</small></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background: #ececec; color: grey; vertical-align: middle; text-align: center;" class="table-na"><small>N/A</small></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>DR&#65306;&#26465;&#20214;&#24615;&#20511;&#29992;&#33539;&#22260;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2017R1">P2017R1</a></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2022 17.0">19.30*</span></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>DR&#65306;&#20462;&#22797;<a href="cpp-ranges.html#.E8.A7.86.E5.9B.BE">&#36755;&#20837;&#33539;&#22260;&#36866;&#37197;&#22120;</a>&#19982; <span class="t-lc">std::counted_iterator</span></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2259R1">P2259R1</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
</tr>
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<td>&#22312;&#20998;&#37197;&#22120;&#25509;&#21475;&#20013;&#25552;&#20379;&#22823;&#23567;&#21453;&#39304;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P0401R6">P0401R6</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-header-spanstream.html"><tt>&lt;spanstream&gt;</tt></a> &#65306;&#20197; <a href="cpp-container-span.html"><tt>std::span</tt></a> &#20026;&#22522;&#30784;&#30340;&#23383;&#31526;&#20018;&#27969;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P0448R4">P0448R4</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-memory-out_ptr_t-out_ptr.html"><tt>std::out_ptr()</tt></a>&#12289; <a href="cpp-memory-inout_ptr_t-inout_ptr.html"><tt>std::inout_ptr()</tt></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1132R8">P1132R8</a></td>
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<td><a href="cpp-language-constexpr.html"><tt>constexpr</tt></a> <a href="cpp-types-type_info-operator_cmp.html"><tt>type_info::operator==()</tt></a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><span class="t-lc"><a href="cpp-container-stack.html">std::stack</a></span> &#19982; <span class="t-lc"><a href="cpp-container-queue.html">std::queue</a></span> &#30340;&#36845;&#20195;&#22120;&#23545;&#26500;&#36896;&#20989;&#25968;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1425R4">P1425R4</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>&#23481;&#22120;&#25512;&#23548;&#25351;&#24341;&#20013;&#20998;&#37197;&#22120;&#30340;&#38750;&#25512;&#23548;&#35821;&#22659;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1518R2">P1518R2</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-algorithm-ranges-starts_with.html"><tt>ranges::starts_with()</tt></a> &#19982; <a href="cpp-algorithm-ranges-ends_with.html"><tt>ranges::ends_with()</tt></a></td>
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<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes">11</td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>&#31105;&#27490; <a href="cpp-string-basic_string.html"><tt>basic_string</tt></a> &#19982; <a href="cpp-string-basic_string_view.html"><tt>basic_string_view</tt></a> &#20174; <a href="cpp-language-nullptr.html"><tt>nullptr</tt></a> &#26500;&#36896;</td>
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<td><a href="cpp-utility-functional-invoke.html"><tt>std::invoke_r()</tt></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2136R3">P2136R3</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-string-basic_string_view.html"><tt>basic_string_view</tt></a> &#30340;&#33539;&#22260;<a href="cpp-string-basic_string_view-basic_string_view.html">&#26500;&#36896;&#20989;&#25968;</a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1989R2">P1989R2</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td><a href="cpp-utility-pair.html"><tt>pair</tt></a> &#30340;&#36716;&#21457;&#26500;&#36896;&#20989;&#25968;&#30340;&#40664;&#35748;&#27169;&#26495;&#23454;&#21442;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P1951R1">P1951R1</a></td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>&#31227;&#38500;&#22403;&#22334;&#25910;&#38598;&#19982;&#22522;&#20110;&#21487;&#36798;&#24615;&#30340;&#27844;&#28431;&#26816;&#27979;&#65288;<a href="cpp-memory.html#.E5.9E.83.E5.9C.BE.E6.94.B6.E9.9B.86.E5.99.A8.E6.94.AF.E6.8C.81">&#24211;&#25903;&#25345;</a>&#65289;</td>
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<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
<td style="background:#ff9090; color:black; vertical-align: middle; text-align: center;" class="table-no"></td>
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<td>DR&#65306;<a href="cpp-ranges-join_view.html"><tt>join_view</tt></a> &#24212;&#32467;&#21512;&#25152;&#26377;&#33539;&#22260;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2328R1">P2328R1</a></td>
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<td>DR&#65306;<a href="cpp-ranges-view.html"><code>view</code></a> &#19981;&#35201;&#27714; <a href="cpp-concepts-default_initializable.html"><code>default_initializable</code></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2325R3">P2325R3</a></td>
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<td>DR&#65306;&#33539;&#22260;&#36866;&#37197;&#22120;&#23545;&#35937;&#25353;&#20540;&#32465;&#23450;&#23454;&#21442;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2281R1">P2281R1</a></td>
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<td style="background: #90ff90; color: black; vertical-align: middle; text-align: center;" class="table-yes"><span title="VS 2019 16.10">19.29 (16.10)*</span></td>
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<td>DR&#65306;<span class="t-lc"><a href="cpp-utility-optional.html">std::optional</a></span> &#19982; <span class="t-lc"><a href="cpp-utility-variant.html">std::variant</a></span> &#30340; <a href="cpp-language-constexpr.html"><tt>constexpr</tt></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2231R1">P2231R1</a></td>
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<td>DR&#65306;<a href="cpp-utility-format-format.html"><tt>std::format()</tt></a> &#25913;&#36827;</td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2216R3">P2216R3</a></td>
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<td>DR&#65306;<a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/ranges/lazy_split_view&amp;action=edit&amp;redlink=1" class="new" title="cpp/ranges/lazy split view&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;"><tt>lazy_split_view</tt></a> &#19982;&#37325;&#26032;&#35774;&#35745;&#30340; <a href="https://zh.cppreference.com/mwiki/index.php?title=cpp/ranges/split_view&amp;action=edit&amp;redlink=1" class="new" title="cpp/ranges/split view&#65288;&#39029;&#38754;&#19981;&#23384;&#22312;&#65289;"><tt>split_view</tt></a></td>
<td><a rel="nofollow" class="external text" href="https://wg21.link/P2210R2">P2210R2</a></td>
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<th style="vertical-align:bottom;">C++23 &#21151;&#33021;&#29305;&#24615;<br />
&nbsp;</th>
<th style="vertical-align:bottom;">&#25552;&#26696;<br />
&nbsp;</th>
<th>
<div class="t-vertical">
<div>GCC libstdc++</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Clang libc++</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>MSVC STL</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Apple Clang</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Sun/Oracle C++<br />
&#26631;&#20934;&#24211;</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Embarcadero C++ Builder<br />
&#26631;&#20934;&#24211;</div>
</div>
</th>
<th>
<div class="t-vertical">
<div>Cray C++<br />
&#26631;&#20934;&#24211;</div>
</div>
</th>
</tr>
</table>
<p><i>*</i> - &#22312;&#29256;&#26412;&#21495;&#19978;&#20572;&#30041;&#21487;&#20197;&#26597;&#30475;&#27880;&#35760;</p>
</div>
<div class="visualClear"></div>
</div>
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