<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.15"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: std::promise< _Res & > Class Template Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license 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$(document).ready(function(){initNavTree('a02364.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#friends">Friends</a> | <a href="a02361.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::promise< _Res & > Class Template Reference<div class="ingroups"><a class="el" href="a01465.html">Concurrency</a> » <a class="el" href="a01469.html">Futures</a></div></div> </div> </div><!--header--> <div class="contents"> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:aa7d8cab5b50c06f39f3228f0104a68eb"><td class="memItemLeft" align="right" valign="top"><a id="aa7d8cab5b50c06f39f3228f0104a68eb"></a>  </td><td class="memItemRight" valign="bottom"><b>promise</b> (<a class="el" href="a02244.html">promise</a> &&__rhs) noexcept</td></tr> <tr class="separator:aa7d8cab5b50c06f39f3228f0104a68eb"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3407b6cff8e797ef00800d33cb319e63"><td class="memTemplParams" colspan="2"><a id="a3407b6cff8e797ef00800d33cb319e63"></a> template<typename _Allocator > </td></tr> <tr class="memitem:a3407b6cff8e797ef00800d33cb319e63"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>promise</b> (<a class="el" href="a08012.html">allocator_arg_t</a>, const _Allocator &__a)</td></tr> <tr class="separator:a3407b6cff8e797ef00800d33cb319e63"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae766b93d0d14a53e1f3b53313c12dc55"><td class="memTemplParams" colspan="2"><a id="ae766b93d0d14a53e1f3b53313c12dc55"></a> template<typename _Allocator > </td></tr> <tr class="memitem:ae766b93d0d14a53e1f3b53313c12dc55"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>promise</b> (<a class="el" href="a08012.html">allocator_arg_t</a>, const _Allocator &, <a class="el" href="a02244.html">promise</a> &&__rhs)</td></tr> <tr class="separator:ae766b93d0d14a53e1f3b53313c12dc55"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac350b2ef814137e9b1bd21105b8e1cce"><td class="memItemLeft" align="right" valign="top"><a id="ac350b2ef814137e9b1bd21105b8e1cce"></a>  </td><td class="memItemRight" valign="bottom"><b>promise</b> (const <a class="el" href="a02244.html">promise</a> &)=delete</td></tr> <tr class="separator:ac350b2ef814137e9b1bd21105b8e1cce"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acc19fcac77381aef31b9f6cfb600183c"><td class="memItemLeft" align="right" valign="top"><a id="acc19fcac77381aef31b9f6cfb600183c"></a> <a class="el" href="a02232.html">future</a>< _Res & > </td><td class="memItemRight" valign="bottom"><b>get_future</b> ()</td></tr> <tr class="separator:acc19fcac77381aef31b9f6cfb600183c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7f22c26b848f2d8f7f67cf26a5432aad"><td class="memItemLeft" align="right" valign="top"><a id="a7f22c26b848f2d8f7f67cf26a5432aad"></a> <a class="el" href="a02244.html">promise</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="a02244.html">promise</a> &&__rhs) noexcept</td></tr> <tr class="separator:a7f22c26b848f2d8f7f67cf26a5432aad"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a855232d27da956b7ee260d7287cf354b"><td class="memItemLeft" align="right" valign="top"><a id="a855232d27da956b7ee260d7287cf354b"></a> <a class="el" href="a02244.html">promise</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="a02244.html">promise</a> &)=delete</td></tr> <tr class="separator:a855232d27da956b7ee260d7287cf354b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6a52cba8ecd413c21dd673be6b484873"><td class="memItemLeft" align="right" valign="top"><a id="a6a52cba8ecd413c21dd673be6b484873"></a> void </td><td class="memItemRight" valign="bottom"><b>set_exception</b> (<a class="el" href="a05428.html">exception_ptr</a> __p)</td></tr> <tr class="separator:a6a52cba8ecd413c21dd673be6b484873"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a30626722272d6e0fe5b43d384d5e5887"><td class="memItemLeft" align="right" valign="top"><a id="a30626722272d6e0fe5b43d384d5e5887"></a> void </td><td class="memItemRight" valign="bottom"><b>set_exception_at_thread_exit</b> (<a class="el" href="a05428.html">exception_ptr</a> __p)</td></tr> <tr class="separator:a30626722272d6e0fe5b43d384d5e5887"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0cf966b660fde2cf81231a7d1eb94d16"><td class="memItemLeft" align="right" valign="top"><a id="a0cf966b660fde2cf81231a7d1eb94d16"></a> void </td><td class="memItemRight" valign="bottom"><b>set_value</b> (_Res &__r)</td></tr> <tr class="separator:a0cf966b660fde2cf81231a7d1eb94d16"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abfe5e9faa791fb06ab977af79045257f"><td class="memItemLeft" align="right" valign="top"><a id="abfe5e9faa791fb06ab977af79045257f"></a> void </td><td class="memItemRight" valign="bottom"><b>set_value_at_thread_exit</b> (_Res &__r)</td></tr> <tr class="separator:abfe5e9faa791fb06ab977af79045257f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acb08840c78a7576b6e4ab1ea73b6eb94"><td class="memItemLeft" align="right" valign="top"><a id="acb08840c78a7576b6e4ab1ea73b6eb94"></a> void </td><td class="memItemRight" valign="bottom"><b>swap</b> (<a class="el" href="a02244.html">promise</a> &__rhs) noexcept</td></tr> <tr class="separator:acb08840c78a7576b6e4ab1ea73b6eb94"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a> Friends</h2></td></tr> <tr class="memitem:a97197e3b02b7593f18a80987fbcc5279"><td class="memTemplParams" colspan="2"><a id="a97197e3b02b7593f18a80987fbcc5279"></a> template<typename , typename > </td></tr> <tr class="memitem:a97197e3b02b7593f18a80987fbcc5279"><td class="memTemplItemLeft" align="right" valign="top">class </td><td class="memTemplItemRight" valign="bottom"><b>_State::_Setter</b></td></tr> <tr class="separator:a97197e3b02b7593f18a80987fbcc5279"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><h3>template<typename _Res><br /> class std::promise< _Res & ></h3> <p>Partial specialization for promise<R&> </p> <p class="definition">Definition at line <a class="el" href="a00074_source.html#l01154">1154</a> of file <a class="el" href="a00074_source.html">future</a>.</p> </div><hr/>The documentation for this class was 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