<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Struct template enable_move_utility_emulation</title> <link rel="stylesheet" href="../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../move/reference.html#header.boost.move.utility_core_hpp" title="Header <boost/move/utility_core.hpp>"> <link rel="prev" href="move_if_noexcept.html" title="Function template move_if_noexcept"> <link rel="next" href="move_idm45507105093488.html" title="Function template move"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../boost.png"></td> <td align="center"><a href="../../../index.html">Home</a></td> <td align="center"><a href="../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="move_if_noexcept.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../move/reference.html#header.boost.move.utility_core_hpp"><img src="../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="move_idm45507105093488.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="refentry"> <a name="boost.enable_m_idm45506990224064"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Struct template enable_move_utility_emulation</span></h2> <p>boost::enable_move_utility_emulation</p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../move/reference.html#header.boost.move.utility_core_hpp" title="Header <boost/move/utility_core.hpp>">boost/move/utility_core.hpp</a>> </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="enable_m_idm45506990224064.html" title="Struct template enable_move_utility_emulation">enable_move_utility_emulation</a> <span class="special">{</span> <span class="comment">// public data members</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">value</span><span class="special">;</span> <span class="special">}</span><span class="special">;</span></pre></div> <div class="refsect1"> <a name="idm45555229152112"></a><h2>Description</h2> <p>This trait's internal boolean <code class="computeroutput">value</code> is false in compilers with rvalue references and true in compilers without rvalue references.</p> <p>A user can specialize this trait for a type T to false to SFINAE out <code class="computeroutput">move</code> and <code class="computeroutput">forward</code> so that the user can define a different move emulation for that type in namespace boost (e.g. another Boost library for its types) and avoid any overload ambiguity. </p> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2008-2014 Ion Gaztanaga<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="move_if_noexcept.html"><img src="../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../move/reference.html#header.boost.move.utility_core_hpp"><img src="../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../index.html"><img src="../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="move_idm45507105093488.html"><img src="../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>