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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::move_only_function&lt;R(Args...) <i>cv</i> <i>ref</i> noexcept(<i>noex</i>)&gt;::</span>move_only_function</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-utility.html">utility</a>&lrm; | <a href="cpp-utility-functional.html">functional</a>&lrm; | <a href="cpp-utility-functional-move_only_function.html">move only function</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">move_only_function<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td>(1)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">move_only_function<span class="br0">(</span> <a href="cpp-types-nullptr_t.html"><span class="kw102">std::<span class="me2">nullptr_t</span></span></a> <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td>(2)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">move_only_function<span class="br0">(</span> move_only_function<span class="sy3">&amp;&amp;</span> other <span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td>(3)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">move_only_function<span class="br0">(</span> <span class="kw4">const</span> move_only_function<span class="sy3">&amp;</span> <span class="br0">)</span> <span class="sy1">=</span> delete<span class="sy4">;</span></span></div>
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<td>(4)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> F <span class="sy1">&gt;</span><br />
move_only_function<span class="br0">(</span> F<span class="sy3">&amp;&amp;</span> f <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td>(5)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<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="kw1">class</span>... <span class="me1">CArgs</span> <span class="sy1">&gt;</span><br />
<span class="kw1">explicit</span> move_only_function<span class="br0">(</span> <a href="cpp-utility-in_place.html"><span class="kw1083">std::<span class="me2">in_place_type_t</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span>, CArgs<span class="sy3">&amp;&amp;</span>... <span class="me1">args</span> <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td>(6)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<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="kw1">class</span> U, <span class="kw1">class</span>... <span class="me1">CArgs</span> <span class="sy1">&gt;</span><br /></span>
<p><span class="kw1">explicit</span> move_only_function<span class="br0">(</span> <a href="cpp-utility-in_place.html"><span class="kw1083">std::<span class="me2">in_place_type_t</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span>,<br /></p>
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>U<span class="sy1">&gt;</span> il, CArgs<span class="sy3">&amp;&amp;</span>... <span class="me1">args</span> <span class="br0">)</span><span class="sy4">;</span></div>
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<td>(7)</td>
<td><span class="t-mark-rev t-since-cxx23">(C++23 &#36215;)</span></td>
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<p>&#21019;&#24314;&#26032;&#30340; <code>std::move_only_function</code> &#12290;</p>
<div class="t-li1"><span class="t-li">1-2)</span> &#40664;&#35748;&#26500;&#36896;&#20989;&#25968;&#19982;&#25509;&#25910; <span class="t-c"><span class="mw-geshi cpp source-cpp">nullptr</span></span> &#30340;&#26500;&#36896;&#20989;&#25968;&#26500;&#36896;&#31354;&#30340; <code>std::move_only_function</code> &#12290;</div>
<div class="t-li1"><span class="t-li">3)</span> &#31227;&#21160;&#26500;&#36896;&#20989;&#25968;&#26500;&#36896;&#30446;&#26631;&#20026; <code>other</code> &#30340;&#30446;&#26631;&#30340; <code>std::move_only_function</code> &#12290;&#31227;&#21160;&#26500;&#36896;&#21518; <code>other</code> &#22312;&#25317;&#26377;&#26410;&#25351;&#23450;&#20540;&#30340;&#21512;&#27861;&#29366;&#24577;&#12290;</div>
<div class="t-li1"><span class="t-li">4)</span> &#22797;&#21046;&#26500;&#36896;&#20989;&#25968;&#34987;&#21024;&#38500;&#12290; <code>std::move_only_function</code> &#19981;&#28385;&#36275;<a href="cpp-named_req-CopyConstructible.html"><span style="font-style:italic">&#21487;&#22797;&#21046;&#26500;&#36896;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(CopyConstructible)</span></a> &#12290;</div>
<div class="t-li1"><span class="t-li">5)</span> &#20196; <code>VT</code> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-decay.html"><span class="kw629">std::<span class="me2">decay_t</span></span></a><span class="sy1">&lt;</span>F<span class="sy1">&gt;</span></span></span> &#12290;&#33509; <code>f</code> &#20026;&#31354;&#20989;&#25968;&#25351;&#38024;&#12289;&#31354;&#25104;&#21592;&#20989;&#25968;&#25351;&#38024;&#25110;&#31354; <code>std::move_only_function</code> &#65288;&#21487;&#20026;&#20219;&#20309;&#29305;&#21270;&#65289;&#65292;&#21017;&#26500;&#36896;&#31354;&#30340; <code>std::move_only_function</code> &#12290;&#21542;&#21017;&#65292;&#26500;&#36896;&#30446;&#26631;&#20855;&#26377; <code>VT</code> &#31867;&#22411;&#24182;&#20197; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-utility-forward.html"><span class="kw1117">std::<span class="me2">forward</span></span></a><span class="sy1">&lt;</span>F<span class="sy1">&gt;</span><span class="br0">(</span>f<span class="br0">)</span></span></span> &#30452;&#25509;&#38750;&#21015;&#34920;&#21021;&#22987;&#21270;&#30340; <code>std::move_only_function</code> &#12290;
<ul>
<li>&#27492;&#37325;&#36733;&#20165;&#33509; <code>VT</code> &#26082;&#38750; <code>move_only_function</code> &#20134;&#38750; <span class="t-lc"><a href="cpp-utility-in_place.html">std::in_place_type_t</a></span> &#30340;&#29305;&#21270;&#65292;&#19988; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="coMULTI">/*is-callable-from*/</span><span class="sy1">&lt;</span>VT<span class="sy1">&gt;</span></span></span> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#25165;&#21442;&#19982;&#37325;&#36733;&#20915;&#35758;&#12290;</li>
<li>&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-is_constructible.html"><span class="kw521">std::<span class="me2">is_constructible_v</span></span></a><span class="sy1">&lt;</span>VT, F<span class="sy1">&gt;</span></span></span> &#38750; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#21017;&#31243;&#24207;&#38750;&#33391;&#26500;&#12290;</li>
</ul>
</div>
<div class="t-li1"><span class="t-li">6)</span> &#20196; <code>VT</code> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-decay.html"><span class="kw629">std::<span class="me2">decay_t</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span></span></span> &#12290;&#26500;&#36896;&#30446;&#26631;&#20855;&#26377; <code>VT</code> &#31867;&#22411;&#24182;&#20197; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-utility-forward.html"><span class="kw1117">std::<span class="me2">forward</span></span></a><span class="sy1">&lt;</span>CArgs<span class="sy1">&gt;</span><span class="br0">(</span>args<span class="br0">)</span>...</span></span> &#30452;&#25509;&#38750;&#21015;&#34920;&#21021;&#22987;&#21270;&#30340; <code>std::move_only_function</code> &#12290;
<ul>
<li>&#27492;&#37325;&#36733;&#20165;&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-is_constructible.html"><span class="kw521">std::<span class="me2">is_constructible_v</span></span></a><span class="sy1">&lt;</span>VT, CArgs...<span class="sy1">&gt;</span></span></span> &#19982; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="coMULTI">/*is-callable-from*/</span><span class="sy1">&lt;</span>VT<span class="sy1">&gt;</span></span></span> &#65288;&#35265;&#21518;&#36848;&#65289;&#22343;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#25165;&#21442;&#19982;&#37325;&#36733;&#20915;&#35758;&#12290;</li>
<li>&#33509; <code>VT</code> &#19982; <code>T</code> &#19981;&#26159;&#21516;&#19968;&#31867;&#22411;&#21017;&#31243;&#24207;&#38750;&#33391;&#26500;&#12290;</li>
</ul>
</div>
<div class="t-li1"><span class="t-li">7)</span> &#20196; <code>VT</code> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-decay.html"><span class="kw629">std::<span class="me2">decay_t</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span></span></span> &#12290;&#26500;&#36896;&#30446;&#26631;&#20855;&#26377; <code>VT</code> &#31867;&#22411;&#24182;&#20197; <span class="t-c"><span class="mw-geshi cpp source-cpp">il, <a href="cpp-utility-forward.html"><span class="kw1117">std::<span class="me2">forward</span></span></a><span class="sy1">&lt;</span>CArgs<span class="sy1">&gt;</span><span class="br0">(</span>args<span class="br0">)</span>...</span></span> &#30452;&#25509;&#38750;&#21015;&#34920;&#21021;&#22987;&#21270;&#30340; <code>std::move_only_function</code> &#12290;
<ul>
<li>&#27492;&#37325;&#36733;&#20165;&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-is_constructible.html"><span class="kw521">std::<span class="me2">is_constructible_v</span></span></a><span class="sy1">&lt;</span>VT, <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>U<span class="sy1">&gt;</span><span class="sy3">&amp;</span>, CArgs...<span class="sy1">&gt;</span></span></span> &#19982; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="coMULTI">/*is-callable-from*/</span><span class="sy1">&lt;</span>VT<span class="sy1">&gt;</span></span></span> &#65288;&#35265;&#21518;&#36848;&#65289;&#22343;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#25165;&#21442;&#19982;&#37325;&#36733;&#20915;&#35758;&#12290;</li>
<li>&#33509; <code>VT</code> &#19982; <code>T</code> &#19981;&#26159;&#21516;&#19968;&#31867;&#22411;&#21017;&#31243;&#24207;&#38750;&#33391;&#26500;&#12290;</li>
</ul>
</div>
<p>&#23545;&#20110;&#26500;&#36896;&#20989;&#25968; <span class="t-v">(5-7)</span> &#65292;&#33509; <code>VT</code> &#19981;&#28385;&#36275;<a href="cpp-named_req-Destructible.html"><span style="font-style:italic">&#21487;&#26512;&#26500;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(Destructible)</span></a> &#35201;&#27714;&#25110;&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="cpp-types-is_move_constructible.html"><span class="kw539">std::<span class="me2">is_move_constructible_v</span></span></a><span class="sy1">&lt;</span>VT<span class="sy1">&gt;</span></span></span> &#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#20294;&#19981;&#28385;&#36275;<a href="cpp-named_req-MoveConstructible.html"><span style="font-style:italic">&#21487;&#31227;&#21160;&#26500;&#36896;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(MoveConstructible)</span></a> &#35201;&#27714;&#21017;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</p>
<p>&#24120;&#37327; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="coMULTI">/*is-callable-from*/</span><span class="sy1">&lt;</span>VT<span class="sy1">&gt;</span></span></span> &#20197;&#22914;&#19979;&#26041;&#24335;&#21462;&#20915;&#20110; <code>std::move_only_function</code> &#30340;&#27169;&#26495;&#24418;&#21442;&#20013;&#30340; <span class="t-spar">cv</span>&#12289; <span class="t-spar">ref</span> &#21450; <span class="t-spar">noex</span> &#65306;</p>
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<th><span class="t-spar">cv</span> <span class="t-spar">ref</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">noexcept</span><span class="br0">(</span></span></span><span class="t-spar">noex</span><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="br0">)</span></span></span></th>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="coMULTI">/*is-callable-from*/</span><span class="sy1">&lt;</span>VT<span class="sy1">&gt;</span></span></span></th>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, VT, Args...<span class="sy1">&gt;</span> <span class="sy3">&amp;&amp;</span><br /></span></span>
<p>std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></p>
</td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, VT, Args...<span class="sy1">&gt;</span> <span class="sy3">&amp;&amp;</span><br /></span></span>
<p>std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></p>
</td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT, Args...<span class="sy1">&gt;</span> <span class="sy3">&amp;&amp;</span><br /></span></span>
<p>std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></p>
</td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT, Args...<span class="sy1">&gt;</span> <span class="sy3">&amp;&amp;</span><br /></span></span>
<p>std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></p>
</td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></span></span></td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></span></span></td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="sy3">&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></span></span></td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="sy3">&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT<span class="sy3">&amp;</span>, Args...<span class="sy1">&gt;</span></span></span></td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">&amp;&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, VT, Args...<span class="sy1">&gt;</span></span></span></td>
</tr>
<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy3">&amp;&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, VT, Args...<span class="sy1">&gt;</span></span></span></td>
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<tr>
<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="sy3">&amp;&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT, Args...<span class="sy1">&gt;</span></span></span></td>
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<th><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="sy3">&amp;&amp;</span> <span class="kw1">noexcept</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span></span></span></th>
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">is_nothrow_invocable_r_v</span><span class="sy1">&lt;</span>R, <span class="kw4">const</span> VT, Args...<span class="sy1">&gt;</span></span></span></td>
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<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>other</td>
<td>-</td>
<td>&#35201;&#31227;&#21160;&#30340;&#21478;&#19968; <code>std::move_only_function</code></td>
</tr>
<tr class="t-par">
<td>f</td>
<td>-</td>
<td>&#35201;&#21253;&#35013;&#30340;&#20989;&#25968;&#25110;<a href="cpp-named_req-Callable.html"><span style="font-style:italic">&#21487;&#35843;&#29992;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(Callable)</span></a> &#23545;&#35937;</td>
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<tr class="t-par">
<td>args</td>
<td>-</td>
<td>&#26500;&#36896;&#30446;&#26631;&#23545;&#35937;&#30340;&#21442;&#25968;</td>
</tr>
<tr class="t-par">
<td>il</td>
<td>-</td>
<td>&#26500;&#36896;&#30446;&#26631;&#23545;&#35937;&#30340; <span class="t-lc"><a href="cpp-utility-initializer_list.html">std::initializer_list</a></span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">&#24322;&#24120;</span></h3>
<div class="t-li1"><span class="t-li">5-7)</span> &#21487;&#33021;&#22312;&#20998;&#37197;&#22833;&#36133;&#26102;&#25243;&#20986; <span class="t-lc"><a href="cpp-memory-new-bad_alloc.html">std::bad_alloc</a></span> &#25110;&#20256;&#25773;&#21021;&#22987;&#21270;&#30446;&#26631;&#26102;&#25243;&#20986;&#30340;&#24322;&#24120;&#12290;&#33509; <code>VT</code> &#20026;&#20989;&#25968;&#25351;&#38024;&#31867;&#22411;&#25110; <span class="t-lc"><a href="cpp-utility-functional-reference_wrapper.html">std::reference_wrapper</a></span> &#30340;&#29305;&#21270;&#21017;&#19981;&#25243;&#24322;&#24120;&#12290;</div>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style="">
<tr>
<td class="mbox-empty-cell"></td>
<td class="mbox-text" style="">&#26412;&#33410;&#26410;&#23436;&#25104;<br />
&#21407;&#22240;&#65306;&#26242;&#26080;&#31034;&#20363;</td>
</tr>
</table>
<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 t-dsc-member-nobold-div">
<div><a href="cpp-utility-functional-function-function.html"><span class="t-lines"><span>(&#26500;&#36896;&#20989;&#25968;)</span></span></a></div>
</div>
</td>
<td>&#26500;&#36896;&#26032;&#30340; <span class="t-lc"><a href="cpp-utility-functional-function.html">std::function</a></span> &#23454;&#20363;<br />
<span class="t-mark">(<code>std::function&lt;R(Args...)&gt;</code> &#30340;&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
</table>
</div>
<div class="visualClear"></div>
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