<!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::chrono::_V2::system_clock Struct 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('a01900.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-methods">Static Public Member Functions</a> | <a href="#pub-static-attribs">Static Public Attributes</a> | <a href="a01897.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::chrono::_V2::system_clock Struct Reference</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:a7c4852b52bceaf195e6130a546089ef1"><td class="memItemLeft" align="right" valign="top"><a id="a7c4852b52bceaf195e6130a546089ef1"></a> typedef <a class="el" href="a01549.html#a41d0bd8a6e031eb9321ad13de37723de">chrono::nanoseconds</a> </td><td class="memItemRight" valign="bottom"><b>duration</b></td></tr> <tr class="separator:a7c4852b52bceaf195e6130a546089ef1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a19f5f66b26c08ee10e1e6b3099382506"><td class="memItemLeft" align="right" valign="top"><a id="a19f5f66b26c08ee10e1e6b3099382506"></a> typedef duration::period </td><td class="memItemRight" valign="bottom"><b>period</b></td></tr> <tr class="separator:a19f5f66b26c08ee10e1e6b3099382506"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0f9b13e27a9b69b06a27f21b25238c62"><td class="memItemLeft" align="right" valign="top"><a id="a0f9b13e27a9b69b06a27f21b25238c62"></a> typedef duration::rep </td><td class="memItemRight" valign="bottom"><b>rep</b></td></tr> <tr class="separator:a0f9b13e27a9b69b06a27f21b25238c62"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a756226926239cea8637e1cb6e1b4360a"><td class="memItemLeft" align="right" valign="top"><a id="a756226926239cea8637e1cb6e1b4360a"></a> typedef <a class="el" href="a01832.html">chrono::time_point</a>< <a class="el" href="a01900.html">system_clock</a>, <a class="el" href="a01828.html">duration</a> > </td><td class="memItemRight" valign="bottom"><b>time_point</b></td></tr> <tr class="separator:a756226926239cea8637e1cb6e1b4360a"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a> Static Public Member Functions</h2></td></tr> <tr class="memitem:a831357fe7a17eaadd4c5ec2592951765"><td class="memItemLeft" align="right" valign="top"><a id="a831357fe7a17eaadd4c5ec2592951765"></a> static <a class="el" href="a01832.html">time_point</a> </td><td class="memItemRight" valign="bottom"><b>from_time_t</b> (std::time_t __t) noexcept</td></tr> <tr class="separator:a831357fe7a17eaadd4c5ec2592951765"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1095f336420825b894658465c28202da"><td class="memItemLeft" align="right" valign="top"><a id="a1095f336420825b894658465c28202da"></a> static <a class="el" href="a01832.html">time_point</a> </td><td class="memItemRight" valign="bottom"><b>now</b> () noexcept</td></tr> <tr class="separator:a1095f336420825b894658465c28202da"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aedd0d4a4d93f465111c66c9be9b2924c"><td class="memItemLeft" align="right" valign="top"><a id="aedd0d4a4d93f465111c66c9be9b2924c"></a> static std::time_t </td><td class="memItemRight" valign="bottom"><b>to_time_t</b> (const <a class="el" href="a01832.html">time_point</a> &__t) noexcept</td></tr> <tr class="separator:aedd0d4a4d93f465111c66c9be9b2924c"><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:ae40cd129c6b4fcd79b62fb7b75201d0e"><td class="memItemLeft" align="right" valign="top"><a id="ae40cd129c6b4fcd79b62fb7b75201d0e"></a> static constexpr bool </td><td class="memItemRight" valign="bottom"><b>is_steady</b></td></tr> <tr class="separator:ae40cd129c6b4fcd79b62fb7b75201d0e"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>System clock. </p> <p>Time returned represents wall time from the system-wide clock. </p> <p class="definition">Definition at line <a class="el" href="a00050_source.html#l00818">818</a> of file <a class="el" href="a00050_source.html">chrono</a>.</p> </div><hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="a00050_source.html">chrono</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"><a class="el" href="a01549.html">chrono</a></li><li class="navelem"><b>_V2</b></li><li class="navelem"><a class="el" href="a01900.html">system_clock</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>