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boost_fusion/doc/html/fusion/container/conversion/functions/as_map.html
Joel de Guzman 46fc256c2f Sync from trunk (except adapt class) 
[SVN r56714]
2009-10-11 16:12:54 +00:00

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>as_map</title>
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<div class="section" lang="en">
<div class="titlepage">
<div><div><h5 class="title">
<a name="fusion.container.conversion.functions.as_map"></a><a href="as_map.html" title="as_map">as_map</a>
</h5></div></div>
<div></div>
</div>
<a name="fusion.container.conversion.functions.as_map.description"></a><h6>
<a name="id513836"></a>
<a href="as_map.html#fusion.container.conversion.functions.as_map.description">Description</a>
</h6>
<p>
Convert a fusion sequence to a <a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a>.
</p>
<a name="fusion.container.conversion.functions.as_map.synopsis"></a><h6>
<a name="id513883"></a>
<a href="as_map.html#fusion.container.conversion.functions.as_map.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">&gt;</span>
<span class="keyword">typename</span> <span class="identifier">result_of</span><span class="special">::</span><span class="identifier">as_map</span><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span>
<span class="identifier">as_map</span><span class="special">(</span><span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">&gt;</span>
<span class="keyword">typename</span> <span class="identifier">result_of</span><span class="special">::</span><span class="identifier">as_map</span><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&gt;::</span><span class="identifier">type</span>
<span class="identifier">as_map</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<a name="fusion.container.conversion.functions.as_map.parameters"></a><h6>
<a name="id514138"></a>
<a href="as_map.html#fusion.container.conversion.functions.as_map.parameters">Parameters</a>
</h6>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th><p>
Parameter
</p></th>
<th><p>
Requirement
</p></th>
<th><p>
Description
</p></th>
</tr></thead>
<tbody><tr>
<td><p>
<tt class="computeroutput"><span class="identifier">seq</span></tt>
</p></td>
<td><p>
An instance of Sequence
</p></td>
<td><p>
The sequence to convert.
</p></td>
</tr></tbody>
</table></div>
<a name="fusion.container.conversion.functions.as_map.expression_semantics"></a><h6>
<a name="id514243"></a>
<a href="as_map.html#fusion.container.conversion.functions.as_map.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><span class="identifier">as_map</span><span class="special">(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><b>Return type</b></span>: <a href="../metafunctions/as_map.html" title="as_map"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">as_map</span></tt></a><tt class="computeroutput"><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span></tt>
</p>
<p>
<span class="bold"><b>Semantics</b></span>: Convert a fusion sequence,
<tt class="computeroutput"><span class="identifier">seq</span></tt>, to a <a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a>.
</p>
<p>
<span class="bold"><b>Precondition</b></span>: The elements of the sequence
are assumed to be __fusion<span class="underline">pair</span>_s.
There may be no duplicate <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">pair</span></tt></a> key types.
</p>
<a name="fusion.container.conversion.functions.as_map.header"></a><h6>
<a name="id514447"></a>
<a href="as_map.html#fusion.container.conversion.functions.as_map.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">container</span><span class="special">/</span><span class="identifier">map</span><span class="special">/</span><span class="identifier">convert</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">as_map</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.container.conversion.functions.as_map.example"></a><h6>
<a name="id514613"></a>
<a href="as_map.html#fusion.container.conversion.functions.as_map.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">as_map</span><span class="special">(</span><a href="../../generation/functions/make_vector.html" title="make_vector"><tt class="computeroutput"><span class="identifier">make_vector</span></tt></a><span class="special">(</span>
<a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">make_pair</span></tt></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(</span><span class="char">'X'</span><span class="special">)</span>
<span class="special">,</span> <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">make_pair</span></tt></a><span class="special">&lt;</span><span class="keyword">double</span><span class="special">&gt;(</span><span class="string">"Men"</span><span class="special">)))</span>
</pre>
</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 © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<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>
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