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: Trivial</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="./shift-right.html" class="navigation-link">Prev</a> <a href="./trivial-metafunctions-summary.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Back</a> <a href="./string-operations.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./metafunctions.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="./metafunctions.html" class="navigation-link">Metafunctions</a> / <a href="./trivial.html" class="navigation-link">Trivial</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="trivial"> 15<h1><a class="toc-backref" href="./metafunctions.html#id1559">Trivial</a></h1> 16<p id="label-metafunctions-trivial">The MPL provides a number of <a class="reference internal" href="./trivial-metafunction.html">Trivial Metafunction</a>s that a nothing more than 17thin wrappers for a differently-named class nested type members. While important 18in the context of <a class="reference internal" href="./composition-and-argument-binding.html">in-place metafunction composition</a>, these metafunctions have 19so little to them that presenting them in the same format as the rest of the 20compoments in this manual would result in more boilerplate syntactic baggage than 21the actual content. To avoid this problem, we instead factor out the common 22metafunctions' requirements into the <a class="reference internal" href="./trivial-metafunction.html">corresponding concept</a> and gather all of 23them in a single place — this subsection — in a compact table form that is 24presented below.</p> 25<!-- Metafunctions/Trivial//Trivial Metafunctions Summary |10 --> 26<ul class="toc simple" id="outline"> 27<li><a class="reference internal" href="./trivial-metafunctions-summary.html" id="id1560">Trivial Metafunctions Summary</a></li> 28</ul> 29</div> 30 31<div class="footer-separator"></div> 32<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./shift-right.html" class="navigation-link">Prev</a> <a href="./trivial-metafunctions-summary.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Back</a> <a href="./string-operations.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./metafunctions.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> 33<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 34Distributed under the Boost Software License, Version 1.0. (See accompanying 35file 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> 36</html> 37