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| <h2><span class="refentrytitle">Function template forward</span></h2> |
| <p>boost::forward</p> |
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| <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>> |
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| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="identifier">output_reference</span> <span class="identifier">forward</span><span class="special">(</span><span class="identifier">input_reference</span><span class="special">)</span><span class="special">;</span></pre></div> |
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| <a name="idp327425792"></a><h2>Description</h2> |
| <p>This function provides limited form of forwarding that is usually enough for in-place construction and avoids the exponential overloading for achieve the limited forwarding in C++03.</p> |
| <p>For compilers with rvalue references this function provides perfect forwarding.</p> |
| <p>Otherwise:</p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"><p>If input_reference binds to const ::boost::rv<T> & then it output_reference is ::boost::rv<T> &</p></li> |
| <li class="listitem"><p>Else, output_reference is equal to input_reference. </p></li> |
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| <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>) |
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