1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 <head> 4 <meta http-equiv="content-type" content="text/html; 5 charset=windows-1252"> 6 <title>facilities/va_opt.hpp</title> 7 <link rel="stylesheet" type="text/css" href="../../styles.css"> 8 </head> 9 <body> 10 <div style="margin-left: 0px;"> The <b>facilities/va_opt.hpp</b> 11 header defines a variadic macro for the C++20 level that offers a 12 more flexible alternative to the __VA_OPT__ construct. </div> 13 <h4>Usage</h4> 14 <div class="code"> #include <b><boost/preprocessor/facilities/va_opt.hpp></b> 15 </div> 16 <h4>Contents</h4> 17 <ul> 18 <li><a href="../../ref/va_opt.html">BOOST_PP_VA_OPT</a> <a 19 href="../../topics/variadic_macros.html#VNotation" 20 target="_self">(v)</a></li> 21 </ul> 22 <hr size="1"> 23 <div style="margin-left: 0px;"> <i>� Copyright Edward Diener 2019</i> 24 </div> 25 <div style="margin-left: 0px;"> 26 <p><small>Distributed under the Boost Software License, Version 27 1.0. (See accompanying file <a 28 href="../../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 29 copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 30 </div> 31 </body> 32</html> 33