<!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::experimental::fundamentals_v1::_Optional_base< _Tp, false > 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('a10036.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pro-methods">Protected Member Functions</a> | <a href="a10033.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::experimental::fundamentals_v1::_Optional_base< _Tp, false > Class Template Reference<div class="ingroups"><a class="el" href="a01514.html">Experimental</a> » <a class="el" href="a01515.html">Optional values</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:aac23a3deb2fbfb88d2c52f8252457a0f"><td class="memItemLeft" align="right" valign="top"><a id="aac23a3deb2fbfb88d2c52f8252457a0f"></a> constexpr </td><td class="memItemRight" valign="bottom"><b>_Optional_base</b> (<a class="el" href="a09996.html">nullopt_t</a>) noexcept</td></tr> <tr class="separator:aac23a3deb2fbfb88d2c52f8252457a0f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a401c0bb00ed1e5bc91114b39b28cb9df"><td class="memTemplParams" colspan="2"><a id="a401c0bb00ed1e5bc91114b39b28cb9df"></a> template<typename... _Args> </td></tr> <tr class="memitem:a401c0bb00ed1e5bc91114b39b28cb9df"><td class="memTemplItemLeft" align="right" valign="top">constexpr </td><td class="memTemplItemRight" valign="bottom"><b>_Optional_base</b> (<a class="el" href="a09992.html">in_place_t</a>, _Args &&... __args)</td></tr> <tr class="separator:a401c0bb00ed1e5bc91114b39b28cb9df"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a70f348cc6f1d2a81891b38b0b3ff564f"><td class="memTemplParams" colspan="2"><a id="a70f348cc6f1d2a81891b38b0b3ff564f"></a> template<typename _Up , typename... _Args, enable_if_t< is_constructible< _Tp, initializer_list< _Up > &, _Args &&... >::value, int > ...> </td></tr> <tr class="memitem:a70f348cc6f1d2a81891b38b0b3ff564f"><td class="memTemplItemLeft" align="right" valign="top">constexpr </td><td class="memTemplItemRight" valign="bottom"><b>_Optional_base</b> (<a class="el" href="a09992.html">in_place_t</a>, <a class="el" href="a01652.html">initializer_list</a>< _Up > __il, _Args &&... __args)</td></tr> <tr class="separator:a70f348cc6f1d2a81891b38b0b3ff564f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0521d06dd401a81161d4b79a13395b43"><td class="memItemLeft" align="right" valign="top"><a id="a0521d06dd401a81161d4b79a13395b43"></a>  </td><td class="memItemRight" valign="bottom"><b>_Optional_base</b> (const <a class="el" href="a10024.html">_Optional_base</a> &__other)</td></tr> <tr class="separator:a0521d06dd401a81161d4b79a13395b43"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a90e80809a706757f20cc84556c0ec582"><td class="memItemLeft" align="right" valign="top"><a id="a90e80809a706757f20cc84556c0ec582"></a>  </td><td class="memItemRight" valign="bottom"><b>_Optional_base</b> (<a class="el" href="a10024.html">_Optional_base</a> &&__other) noexcept(<a class="el" href="a03676.html">is_nothrow_move_constructible</a>< _Tp >())</td></tr> <tr class="separator:a90e80809a706757f20cc84556c0ec582"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a685c9ba85e20831358f8ee533ec0876f"><td class="memItemLeft" align="right" valign="top"><a id="a685c9ba85e20831358f8ee533ec0876f"></a> <a class="el" href="a10024.html">_Optional_base</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="a10024.html">_Optional_base</a> &__other)</td></tr> <tr class="separator:a685c9ba85e20831358f8ee533ec0876f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a44da3420abd02b87bde82f761dcd4b24"><td class="memItemLeft" align="right" valign="top"><a id="a44da3420abd02b87bde82f761dcd4b24"></a> <a class="el" href="a10024.html">_Optional_base</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="a10024.html">_Optional_base</a> &&__other) noexcept(__and_< <a class="el" href="a03676.html">is_nothrow_move_constructible</a>< _Tp >, <a class="el" href="a03752.html">is_nothrow_move_assignable</a>< _Tp >>())</td></tr> <tr class="separator:a44da3420abd02b87bde82f761dcd4b24"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a> Protected Member Functions</h2></td></tr> <tr class="memitem:ae9948bfac51d95fd25e5459994ed2649"><td class="memTemplParams" colspan="2"><a id="ae9948bfac51d95fd25e5459994ed2649"></a> template<typename... _Args> </td></tr> <tr class="memitem:ae9948bfac51d95fd25e5459994ed2649"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>_M_construct</b> (_Args &&... __args) noexcept(<a class="el" href="a03644.html">is_nothrow_constructible</a>< _Stored_type, _Args... >())</td></tr> <tr class="separator:ae9948bfac51d95fd25e5459994ed2649"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a33b2b79460a582b6d1727445fe8488fd"><td class="memItemLeft" align="right" valign="top"><a id="a33b2b79460a582b6d1727445fe8488fd"></a> void </td><td class="memItemRight" valign="bottom"><b>_M_destruct</b> ()</td></tr> <tr class="separator:a33b2b79460a582b6d1727445fe8488fd"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a16dc3d040914ec14349c07d2f99f8e4d"><td class="memItemLeft" align="right" valign="top"><a id="a16dc3d040914ec14349c07d2f99f8e4d"></a> _Tp & </td><td class="memItemRight" valign="bottom"><b>_M_get</b> () noexcept</td></tr> <tr class="separator:a16dc3d040914ec14349c07d2f99f8e4d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab453422edd99fa4fa1b54d0d8a685096"><td class="memItemLeft" align="right" valign="top"><a id="ab453422edd99fa4fa1b54d0d8a685096"></a> constexpr const _Tp & </td><td class="memItemRight" valign="bottom"><b>_M_get</b> () const noexcept</td></tr> <tr class="separator:ab453422edd99fa4fa1b54d0d8a685096"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae5921f1efe17ff74bb952eeea827956e"><td class="memItemLeft" align="right" valign="top"><a id="ae5921f1efe17ff74bb952eeea827956e"></a> constexpr bool </td><td class="memItemRight" valign="bottom"><b>_M_is_engaged</b> () const noexcept</td></tr> <tr class="separator:ae5921f1efe17ff74bb952eeea827956e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac08931bdcddfb241497b415561269890"><td class="memItemLeft" align="right" valign="top"><a id="ac08931bdcddfb241497b415561269890"></a> void </td><td class="memItemRight" valign="bottom"><b>_M_reset</b> ()</td></tr> <tr class="separator:ac08931bdcddfb241497b415561269890"><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 _Tp><br /> class std::experimental::fundamentals_v1::_Optional_base< _Tp, false ></h3> <p>Partial specialization that is exactly identical to the primary template save for not providing a destructor, to fulfill triviality requirements. </p> <p class="definition">Definition at line <a class="el" href="a01007_source.html#l00345">345</a> of file <a class="el" href="a01007_source.html">optional</a>.</p> </div><hr/>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="a01007_source.html">optional</a></li> </ul> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="a01538.html">std</a></li><li class="navelem"><b>experimental</b></li><li class="navelem"><b>fundamentals_v1</b></li><li class="navelem"><a class="el" href="a10036.html">_Optional_base< _Tp, false ></a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li> </ul> </div> </body> </html>