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| author | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
| commit | 08c1e93fa36a49f49325a07fe91ff92c964c2b6c (patch) | |
| tree | 7a7053ceb8874b28ec4b868d4c49b500008a102e /doc/html/BOOST_MOVE_RET.html | |
| parent | bb4dd8289b351fae6b55e303f189127a394a1edd (diff) | |
| download | boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.gz boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.bz2 boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.zip | |
Imported Upstream version 1.57.0upstream/1.57.0
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| -rw-r--r-- | doc/html/BOOST_MOVE_RET.html | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/doc/html/BOOST_MOVE_RET.html b/doc/html/BOOST_MOVE_RET.html new file mode 100644 index 0000000000..ffc6e7d5dc --- /dev/null +++ b/doc/html/BOOST_MOVE_RET.html @@ -0,0 +1,63 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Macro BOOST_MOVE_RET</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.core_hpp" title="Header <boost/move/core.hpp>"> +<link rel="prev" href="BOOST_FWD_REF.html" title="Macro BOOST_FWD_REF"> +<link rel="next" href="boost/move_upd/def_del_compatible_cond.html" title="Struct template def_del_compatible_cond"> +</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="BOOST_FWD_REF.html"><img src="../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="move/reference.html#header.boost.move.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="boost/move_upd/def_del_compatible_cond.html"><img src="../../doc/src/images/next.png" alt="Next"></a> +</div> +<div class="refentry"> +<a name="BOOST_MOVE_RET"></a><div class="titlepage"></div> +<div class="refnamediv"> +<h2><span class="refentrytitle">Macro BOOST_MOVE_RET</span></h2> +<p>BOOST_MOVE_RET</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.core_hpp" title="Header <boost/move/core.hpp>">boost/move/core.hpp</a>> + +</span>BOOST_MOVE_RET(RET_TYPE, REF)</pre></div> +<div class="refsect1"> +<a name="idp330079600"></a><h2>Description</h2> +<p>This macro is used to achieve portable move return semantics. The C++11 Standard allows implicit move returns when the object to be returned is designated by a lvalue and:</p> +<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> +<li class="listitem"><p>The criteria for elision of a copy operation are met OR</p></li> +<li class="listitem"><p>The criteria would be met save for the fact that the source object is a function parameter</p></li> +</ul></div> +<p> +</p> +<p>For C++11 conforming compilers this macros only yields to REF: <code class="computeroutput">return BOOST_MOVE_RET(RET_TYPE, REF);</code> -> <code class="computeroutput">return REF;</code></p> +<p>For compilers without rvalue references this macro does an explicit move if the move emulation is activated and the return type (RET_TYPE) is not a reference.</p> +<p>For non-conforming compilers with rvalue references like Visual 2010 & 2012, an explicit move is performed if RET_TYPE is not a reference.</p> +<p><span class="bold"><strong>Caution</strong></span>: When using this macro in non-conforming or C++03 compilers, a move will be performed even if the C++11 standard does not allow it (e.g. returning a static variable). The user is responsible for using this macro only to return local objects that met C++11 criteria. </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="BOOST_FWD_REF.html"><img src="../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="move/reference.html#header.boost.move.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="boost/move_upd/def_del_compatible_cond.html"><img src="../../doc/src/images/next.png" alt="Next"></a> +</div> +</body> +</html> |