<!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::aligned_union< _Len, _Types > Struct 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 magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(initResizable); /* @license-end */</script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.15 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('a04148.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="#pub-static-attribs">Static Public Attributes</a> | <a href="a04145.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::aligned_union< _Len, _Types > Struct Template Reference<div class="ingroups"><a class="el" href="a01477.html">Utilities</a> » <a class="el" href="a01476.html">Metaprogramming</a></div></div> </div> </div><!--header--> <div class="contents"> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:a27bdde80c654d1c5253c899d71c8885c"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="a04132.html">aligned_storage</a>< _S_len, <a class="el" href="a01476.html#ga02d39c3e7eff3fb5ccdf9878ebfad0ef">alignment_value</a> >::<a class="el" href="a04148.html#a27bdde80c654d1c5253c899d71c8885c">type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a04148.html#a27bdde80c654d1c5253c899d71c8885c">type</a></td></tr> <tr class="separator:a27bdde80c654d1c5253c899d71c8885c"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a> Static Public Attributes</h2></td></tr> <tr class="memitem:ga02d39c3e7eff3fb5ccdf9878ebfad0ef"><td class="memItemLeft" align="right" valign="top">static const size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a01476.html#ga02d39c3e7eff3fb5ccdf9878ebfad0ef">alignment_value</a></td></tr> <tr class="separator:ga02d39c3e7eff3fb5ccdf9878ebfad0ef"><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<size_t _Len, typename... _Types><br /> struct std::aligned_union< _Len, _Types ></h3> <p>Provide aligned storage for types. </p> <p>[meta.trans.other]</p> <p>Provides aligned storage for any of the provided types of at least size _Len.</p> <dl class="section see"><dt>See also</dt><dd>aligned_storage </dd></dl> <p class="definition">Definition at line <a class="el" href="a00167_source.html#l01838">1838</a> of file <a class="el" href="a00167_source.html">type_traits</a>.</p> </div><h2 class="groupheader">Member Typedef Documentation</h2> <a id="a27bdde80c654d1c5253c899d71c8885c"></a> <h2 class="memtitle"><span class="permalink"><a href="#a27bdde80c654d1c5253c899d71c8885c">◆ </a></span>type</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<size_t _Len, typename... _Types> </div> <table class="memname"> <tr> <td class="memname">typedef <a class="el" href="a04132.html">aligned_storage</a><_S_len, <a class="el" href="a01476.html#ga02d39c3e7eff3fb5ccdf9878ebfad0ef">alignment_value</a>>::<a class="el" href="a04148.html#a27bdde80c654d1c5253c899d71c8885c">type</a> <a class="el" href="a04148.html">std::aligned_union</a>< _Len, _Types >::<a class="el" href="a04148.html#a27bdde80c654d1c5253c899d71c8885c">type</a></td> </tr> </table> </div><div class="memdoc"> <p>The storage. </p> <p class="definition">Definition at line <a class="el" href="a00167_source.html#l01850">1850</a> of file <a class="el" href="a00167_source.html">type_traits</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="a00167_source.html">type_traits</a></li> </ul> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! 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