1<?xml version="1.0" encoding="utf-8" ?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 4<head> 5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 6<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> 7<title>The MPL Reference Manual: empty_base</title> 8<link rel="stylesheet" href="../style.css" type="text/css" /> 9</head> 10<body class="docframe refmanual"> 11<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./pair.html" class="navigation-link">Prev</a> <a href="./void.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./pair.html" class="navigation-link">Back</a> <a href="./void.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./data-types-miscellaneous.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 12<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./data-types.html" class="navigation-link">Data Types</a> / <a href="./data-types-miscellaneous.html" class="navigation-link">Miscellaneous</a> / <a href="./empty-base.html" class="navigation-link">empty_base</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="empty-base"> 15<h1><a class="toc-backref" href="./data-types-miscellaneous.html#id1584">empty_base</a></h1> 16<div class="section" id="id1276"> 17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> 18<pre class="literal-block"> 19struct <a href="./empty-base.html" class="identifier">empty_base</a> {}; 20</pre> 21</div> 22<div class="section" id="id1277"> 23<h3><a class="subsection-title" href="#description" name="description">Description</a></h3> 24<p>An empty base class. Inheritance from <a class="reference internal" href="./empty-base.html">empty_base</a> through the <a class="reference internal" href="./inherit.html">inherit</a> 25metafunction is a no-op.</p> 26</div> 27<div class="section" id="id1278"> 28<h3><a class="subsection-title" href="#header" name="header">Header</a></h3> 29<pre class="literal-block"> 30#include <<a href="../../../../boost/mpl/empty_base.hpp" class="header">boost/mpl/empty_base.hpp</a>> 31</pre> 32</div> 33<div class="section" id="id1279"> 34<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> 35<p><a class="reference internal" href="./data-types.html">Data Types</a>, <a class="reference internal" href="./inherit.html">inherit</a>, <a class="reference internal" href="./inherit-linearly.html">inherit_linearly</a>, <a class="reference internal" href="./void.html">void_</a></p> 36<!-- Data Types/Miscellaneous//void_ |100 --> 37</div> 38</div> 39 40<div class="footer-separator"></div> 41<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./pair.html" class="navigation-link">Prev</a> <a href="./void.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./pair.html" class="navigation-link">Back</a> <a href="./void.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./data-types-miscellaneous.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 42<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 43Distributed under the Boost Software License, Version 1.0. (See accompanying 44file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> 45</html> 46