klarkxy/hustoj
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

上传cppreference

Browse Source
This commit is contained in:
klarkxy
2025-08-01 12:57:54 +08:00
parent e29892f8cd
commit 196e706fe4
5485 changed files with 982007 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

228
web/cppreference-zh/chmhelp/cpp-utility-forward.html Normal file
View File

@@ -0,0 +1,228 @@
<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>std::forward</title>
<link rel="stylesheet" href="ext.css" />
<link rel="stylesheet" href="site_modules.css" />
</head>
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_utility_forward skin-cppreference2 action-view cpp-navbar">
<div id="cpp-content-base">
<div id="content"><a id="top"></a>
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>forward</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-utility.html">utility</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<table class="t-dcl-begin">
<tbody>
<tr class="t-dsc-header">
<td>
<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-utility.html">&lt;utility&gt;</a></code></div>
</td>
<td></td>
<td></td>
</tr>
</tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(1)</td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx11 t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
T<span class="sy3">&amp;&amp;</span> forward<span class="br0">(</span> <span class="kw1">typename</span> <a href="cpp-types-remove_reference.html"><span class="kw606">std::<span class="me2">remove_reference</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span><span class="sy3">&amp;</span> t <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> T<span class="sy3">&amp;&amp;</span> forward<span class="br0">(</span> <a href="cpp-types-remove_reference.html"><span class="kw607">std::<span class="me2">remove_reference_t</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;</span> t <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
</tr>
</tbody>
<tbody></tbody>
<tbody class="t-dcl-rev t-dcl-rev-num">
<tr class="t-dcl-rev-aux">
<td></td>
<td rowspan="142">(2)</td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx11 t-until-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
T<span class="sy3">&amp;&amp;</span> forward<span class="br0">(</span> <span class="kw1">typename</span> <a href="cpp-types-remove_reference.html"><span class="kw606">std::<span class="me2">remove_reference</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">type</span><span class="sy3">&amp;&amp;</span> t <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
</tr>
<tr class="t-dcl t-since-cxx14">
<td>
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> T<span class="sy3">&amp;&amp;</span> forward<span class="br0">(</span> <a href="cpp-types-remove_reference.html"><span class="kw607">std::<span class="me2">remove_reference_t</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="sy3">&amp;&amp;</span> t <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
</td>
<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
</tr>
</tbody>
<tbody>
<tr class="t-dcl-sep">
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<div class="t-li1"><span class="t-li">1)</span> &#36716;&#21457;&#24038;&#20540;&#20026;&#24038;&#20540;&#25110;&#21491;&#20540;&#65292;&#20381;&#36182;&#20110; T</div>
<p>&#24403; <code>t</code> &#26159;<a href="cpp-language-reference.html#.E8.BD.AC.E5.8F.91.E5.BC.95.E7.94.A8">&#36716;&#21457;&#24341;&#29992;</a>&#65288;&#20316;&#20026;&#21040;&#26080; cv &#38480;&#23450;&#20989;&#25968;&#27169;&#26495;&#24418;&#21442;&#30340;&#21491;&#20540;&#24341;&#29992;&#30340;&#20989;&#25968;&#23454;&#21442;&#65289;&#65292;&#27492;&#37325;&#36733;&#23558;&#21442;&#25968;&#20197;&#22312;&#20256;&#36882;&#32473;&#35843;&#29992;&#26041;&#20989;&#25968;&#26102;&#30340;<a href="cpp-language-value_category.html">&#20540;&#31867;&#21035;</a>&#36716;&#21457;&#32473;&#21478;&#19968;&#20010;&#20989;&#25968;&#12290;</p>
<p>&#20363;&#22914;&#65292;&#33509;&#29992;&#20110;&#22914;&#19979;&#30340;&#21253;&#35013;&#22120;&#65292;&#21017;&#27169;&#26495;&#34920;&#29616;&#20026;&#19979;&#26041;&#25152;&#25551;&#36848;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span>
<span class="kw4">void</span> wrapper<span class="br0">(</span>T<span class="sy3">&amp;&amp;</span> arg<span class="br0">)</span>
<span class="br0">{</span>
<span class="co1">// arg &#22987;&#32456;&#26159;&#24038;&#20540;</span>
foo<span class="br0">(</span>std<span class="sy4">::</span><span class="me2">forward</span><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="br0">(</span>arg<span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#36716;&#21457;&#20026;&#24038;&#20540;&#25110;&#21491;&#20540;&#65292;&#20381;&#36182;&#20110; T</span>
<span class="br0">}</span></pre></div>
</div>
<ul>
<li>&#33509;&#23545; <code>wrapper()</code> &#30340;&#35843;&#29992;&#20256;&#36882;&#21491;&#20540; <code>std::string</code> &#65292;&#21017;&#25512;&#23548; <code>T</code> &#20026; <code>std::string</code> &#65288;&#38750; <code>std::string&amp;</code> &#25110; <code>std::string&amp;&amp;</code> &#65292;&#19988; <code>std::forward</code> &#30830;&#20445;&#23558;&#21491;&#20540;&#24341;&#29992;&#20256;&#36882;&#32473; <code>foo</code> &#12290;</li>
<li>&#33509;&#23545; <code>wrapper()</code> &#30340;&#35843;&#29992;&#20256;&#36882; const &#24038;&#20540; <code>std::string</code> &#65292;&#21017;&#25512;&#23548; <code>T</code> &#20026; <code>const std::string&amp;</code> &#65292;&#19988; <code>std::forward</code> &#30830;&#20445;&#23558; const &#24038;&#20540;&#24341;&#29992;&#20256;&#36882;&#32473; <code>foo</code> &#12290;</li>
<li>&#33509;&#23545; <code>wrapper()</code> &#30340;&#35843;&#29992;&#20256;&#36882;&#38750; const &#24038;&#20540; <code>std::string</code> &#65292;&#21017;&#25512;&#23548; <code>T</code> &#20026; <code>std::string&amp;</code> &#65292;&#19988; <code>std::forward</code> &#30830;&#20445;&#23558;&#38750; const &#24038;&#20540;&#24341;&#29992;&#20256;&#36882;&#32473; <code>foo</code> &#12290;</li>
</ul>
<div class="t-li1"><span class="t-li">2)</span> &#36716;&#21457;&#21491;&#20540;&#20026;&#21491;&#20540;&#24182;&#31105;&#27490;&#21491;&#20540;&#30340;&#36716;&#21457;&#20026;&#24038;&#20540;</div>
<p>&#27492;&#37325;&#36733;&#20196;&#36716;&#21457;&#34920;&#36798;&#24335;&#65288;&#22914;&#20989;&#25968;&#35843;&#29992;&#65289;&#30340;&#32467;&#26524;&#21487;&#34892;&#65292;&#32467;&#26524;&#21487;&#20197;&#26159;&#21491;&#20540;&#25110;&#24038;&#20540;&#65292;&#21516;&#36716;&#21457;&#24341;&#29992;&#21442;&#25968;&#30340;&#21407;&#22987;&#20540;&#31867;&#21035;&#12290;</p>
<p>&#20363;&#22914;&#65292;&#33509;&#21253;&#35013;&#22120;&#19981;&#20165;&#36716;&#21457;&#20854;&#21442;&#25968;&#65292;&#36824;&#22312;&#21442;&#25968;&#19978;&#35843;&#29992;&#25104;&#21592;&#20989;&#25968;&#65292;&#24182;&#36716;&#21457;&#20854;&#32467;&#26524;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="co1">// &#36716;&#25442;&#21253;&#35013;&#22120; </span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span>
<span class="kw4">void</span> wrapper<span class="br0">(</span>T<span class="sy3">&amp;&amp;</span> arg<span class="br0">)</span>
<span class="br0">{</span>
foo<span class="br0">(</span>forward<span class="sy1">&lt;</span>decltype<span class="br0">(</span>forward<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="br0">(</span>arg<span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy1">&gt;</span><span class="br0">(</span>forward<span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="br0">(</span>arg<span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<p>&#20854;&#20013; arg &#30340;&#31867;&#22411;&#21487;&#20197;&#26159;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">struct</span> Arg
<span class="br0">{</span>
<span class="kw4">int</span> i <span class="sy1">=</span> <span class="nu0">1</span><span class="sy4">;</span>
<span class="kw4">int</span> get<span class="br0">(</span><span class="br0">)</span> <span class="sy3">&amp;&amp;</span> <span class="br0">{</span> <span class="kw1">return</span> i<span class="sy4">;</span> <span class="br0">}</span> <span class="co1">// &#27492;&#37325;&#36733;&#30340;&#35843;&#29992;&#20026;&#21491;&#20540;</span>
<span class="kw4">int</span><span class="sy3">&amp;</span> get<span class="br0">(</span><span class="br0">)</span> <span class="sy3">&amp;</span> <span class="br0">{</span> <span class="kw1">return</span> i<span class="sy4">;</span> <span class="br0">}</span> <span class="co1">// &#27492;&#37325;&#36733;&#30340;&#35843;&#29992;&#20026;&#24038;&#20540;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div>
</div>
<p>&#35797;&#22270;&#36716;&#21457;&#21491;&#20540;&#20026;&#24038;&#20540;&#65292;&#20363;&#22914;&#36890;&#36807;&#20197;&#24038;&#20540;&#24341;&#29992;&#31867;&#22411; T &#23454;&#20363;&#21270;&#24418;&#24335; <span class="t-v">(2)</span> &#65292;&#20250;&#20135;&#29983;&#32534;&#35793;&#26102;&#38169;&#35823;&#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#36716;&#21457;&#24341;&#29992;&#32972;&#21518;&#30340;&#29305;&#27530;&#35268;&#21017;&#65288; <code>T&amp;&amp;</code> &#29992;&#20316;&#20989;&#25968;&#21442;&#25968;&#65289;&#35265;<a href="cpp-language-template_argument_deduction.html">&#27169;&#26495;&#23454;&#21442;&#25512;&#23548;</a>&#65292;&#20854;&#20182;&#32454;&#33410;&#35265;<a href="cpp-language-reference.html#.E8.BD.AC.E5.8F.91.E5.BC.95.E7.94.A8">&#36716;&#21457;&#24341;&#29992;</a>&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td>t</td>
<td>-</td>
<td>&#35201;&#36716;&#21457;&#30340;&#23545;&#35937;</td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">static_cast</span><span class="sy1">&lt;</span>T<span class="sy3">&amp;&amp;</span><span class="sy1">&gt;</span><span class="br0">(</span>t<span class="br0">)</span></span></span></p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<p>&#27492;&#31034;&#20363;&#28436;&#31034;&#21442;&#25968;&#21040;&#31867; <code>T</code> &#26500;&#36896;&#20989;&#25968;&#23454;&#21442;&#30340;&#23436;&#32654;&#36716;&#21457;&#12290;&#24182;&#23637;&#31034;&#21442;&#25968;&#21253;&#30340;&#23436;&#32654;&#36716;&#21457;&#12290;</p>
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;memory&gt;</span>
<span class="co2">#include &lt;utility&gt;</span>
<span class="kw1">struct</span> A <span class="br0">{</span>
A<span class="br0">(</span><span class="kw4">int</span><span class="sy3">&amp;&amp;</span> n<span class="br0">)</span> <span class="br0">{</span> <a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;rvalue overload, n=&quot;</span> <span class="sy1">&lt;&lt;</span> n <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\n</span>&quot;</span><span class="sy4">;</span> <span class="br0">}</span>
A<span class="br0">(</span><span class="kw4">int</span><span class="sy3">&amp;</span> n<span class="br0">)</span> <span class="br0">{</span> <a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;lvalue overload, n=&quot;</span> <span class="sy1">&lt;&lt;</span> n <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\n</span>&quot;</span><span class="sy4">;</span> <span class="br0">}</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">class</span> B <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T1, <span class="kw1">class</span> T2, <span class="kw1">class</span> T3<span class="sy1">&gt;</span>
B<span class="br0">(</span>T1<span class="sy3">&amp;&amp;</span> t1, T2<span class="sy3">&amp;&amp;</span> t2, T3<span class="sy3">&amp;&amp;</span> t3<span class="br0">)</span> <span class="sy4">:</span>
a1_<span class="br0">{</span>std<span class="sy4">::</span><span class="me2">forward</span><span class="sy1">&lt;</span>T1<span class="sy1">&gt;</span><span class="br0">(</span>t1<span class="br0">)</span><span class="br0">}</span>,
a2_<span class="br0">{</span>std<span class="sy4">::</span><span class="me2">forward</span><span class="sy1">&lt;</span>T2<span class="sy1">&gt;</span><span class="br0">(</span>t2<span class="br0">)</span><span class="br0">}</span>,
a3_<span class="br0">{</span>std<span class="sy4">::</span><span class="me2">forward</span><span class="sy1">&lt;</span>T3<span class="sy1">&gt;</span><span class="br0">(</span>t3<span class="br0">)</span><span class="br0">}</span>
<span class="br0">{</span>
<span class="br0">}</span>
<span class="kw1">private</span><span class="sy4">:</span>
A a1_, a2_, a3_<span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T, <span class="kw1">class</span> U<span class="sy1">&gt;</span>
<a href="cpp-memory-unique_ptr.html"><span class="kw733">std::<span class="me2">unique_ptr</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> make_unique1<span class="br0">(</span>U<span class="sy3">&amp;&amp;</span> u<span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <a href="cpp-memory-unique_ptr.html"><span class="kw733">std::<span class="me2">unique_ptr</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="br0">(</span>new T<span class="br0">(</span>std<span class="sy4">::</span><span class="me2">forward</span><span class="sy1">&lt;</span>U<span class="sy1">&gt;</span><span class="br0">(</span>u<span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T, <span class="kw1">class</span>... <span class="me1">U</span><span class="sy1">&gt;</span>
<a href="cpp-memory-unique_ptr.html"><span class="kw733">std::<span class="me2">unique_ptr</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> make_unique2<span class="br0">(</span>U<span class="sy3">&amp;&amp;</span>... <span class="me1">u</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <a href="cpp-memory-unique_ptr.html"><span class="kw733">std::<span class="me2">unique_ptr</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span><span class="br0">(</span>new T<span class="br0">(</span>std<span class="sy4">::</span><span class="me2">forward</span><span class="sy1">&lt;</span>U<span class="sy1">&gt;</span><span class="br0">(</span>u<span class="br0">)</span>...<span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">auto</span> p1 <span class="sy1">=</span> make_unique1<span class="sy1">&lt;</span>A<span class="sy1">&gt;</span><span class="br0">(</span><span class="nu0">2</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#21491;&#20540;</span>
<span class="kw4">int</span> i <span class="sy1">=</span> <span class="nu0">1</span><span class="sy4">;</span>
<span class="kw4">auto</span> p2 <span class="sy1">=</span> make_unique1<span class="sy1">&lt;</span>A<span class="sy1">&gt;</span><span class="br0">(</span>i<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#24038;&#20540;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;B<span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
<span class="kw4">auto</span> t <span class="sy1">=</span> make_unique2<span class="sy1">&lt;</span>B<span class="sy1">&gt;</span><span class="br0">(</span><span class="nu0">2</span>, i, <span class="nu0">3</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<p>&#36755;&#20986;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="text source-text">
<pre class="de1">rvalue overload, n=2
lvalue overload, n=1
B
rvalue overload, n=2
lvalue overload, n=1
rvalue overload, n=3</pre></div>
</div>
</div>
<h3><span class="mw-headline" id=".E5.A4.8D.E6.9D.82.E5.BA.A6">&#22797;&#26434;&#24230;</span></h3>
<p>&#24120;&#25968;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-move.html"><span class="t-lines"><span>move</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#33719;&#24471;&#21491;&#20540;&#24341;&#29992;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-move_if_noexcept.html"><span class="t-lines"><span>move_if_noexcept</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#33509;&#31227;&#21160;&#26500;&#36896;&#20989;&#25968;&#19981;&#25243;&#20986;&#21017;&#33719;&#24471;&#21491;&#20540;&#24341;&#29992;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
</table>
</div>
<div class="visualClear"></div>
</div>
</div>
</div>
</body>
</html>