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  • Committer: Package Import Robot
  • Author(s): Steve M. Robbins
  • Date: 2012-02-26 00:31:44 UTC
  • Revision ID: package-import@ubuntu.com-20120226003144-eaytp12cbf6ubpms
Tags: upstream-1.49.0
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doc/html/boost/proto/result_of/as_child.html
 
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<html>
 
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<head>
 
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
 
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<title>Struct template as_child</title>
 
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<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
 
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<link rel="home" href="../../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset">
 
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<link rel="up" href="../../../proto/reference.html#header.boost.proto.traits_hpp" title="Header &lt;boost/proto/traits.hpp&gt;">
 
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<link rel="prev" href="as_expr.html" title="Struct template as_expr">
 
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<link rel="next" href="child.html" title="Struct template child">
 
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</head>
 
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
 
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<table cellpadding="2" width="100%"><tr>
 
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<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
 
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<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td>
 
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<div class="spirit-nav">
 
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<a accesskey="p" href="as_expr.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../proto/reference.html#header.boost.proto.traits_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="child.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
 
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</div>
 
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<a name="boost.proto.result_of.as_child"></a><div class="titlepage"></div>
 
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<h2><span class="refentrytitle">Struct template as_child</span></h2>
 
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<p>boost::proto::result_of::as_child &#8212; A metafunction that computes the return type of the
 
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            <code class="computeroutput"><a class="link" href="../as_child_id1527575.html" title="Function as_child">proto::as_child</a>()</code> function.</p>
 
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</div>
 
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
 
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<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../proto/reference.html#header.boost.proto.traits_hpp" title="Header &lt;boost/proto/traits.hpp&gt;">boost/proto/traits.hpp</a>&gt;
 
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</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> <a class="link" href="../../../Domain.html" title="Concept Domain">Domain</a> <span class="special">=</span> <a class="link" href="../default_domain.html" title="Struct default_domain">proto::default_domain</a><span class="special">&gt;</span> 
 
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<span class="keyword">struct</span> <a class="link" href="as_child.html" title="Struct template as_child">as_child</a> <span class="special">{</span>
 
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  <span class="comment">// types</span>
 
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  <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">Domain</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">as_child</span><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span> <a name="boost.proto.result_of.as_child.type"></a><span class="identifier">type</span><span class="special">;</span>
 
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<span class="special">}</span><span class="special">;</span></pre></div>
 
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<div class="refsect1">
 
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<a name="id2810460"></a><h2>Description</h2>
 
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<p>
 
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              The <code class="computeroutput">proto::result_of::as_child&lt;&gt;</code> metafunction turns types
 
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              into Proto expression types, if they are not already, in a domain-specific way. It is used by Proto
 
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              to compute the type of an object to store as a child in another expression node.
 
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            </p>
 
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<p>
 
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              See <code class="computeroutput"><a class="link" href="../domain/as_child.html" title="Struct template as_child">proto::domain::as_child</a>&lt;&gt;</code>
 
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              for a complete description of the default behavior.
 
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            </p>
 
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</div>
 
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</div>
 
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 
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<td align="left"></td>
 
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<td align="right"><div class="copyright-footer">Copyright &#169; 2008 Eric Niebler<p>
 
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        Distributed under the Boost Software License, Version 1.0. (See accompanying
 
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        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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      </p>
 
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</tr></table>
 
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<div class="spirit-nav">
 
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<a accesskey="p" href="as_expr.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../proto/reference.html#header.boost.proto.traits_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="child.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
 
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