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associative iterators & views (Fixes #3473) [SVN r57242]
2009-10-30 00:19:19 +00:00
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corrected reverse_view [SVN r58299]
2009-12-11 21:01:22 +00:00
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associative iterators & views (Fixes #3473) [SVN r57242]
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<title>deref_data</title>
<link rel="stylesheet" href="../../../../../../../doc/html/boostbook.css" type="text/css">
documentation update [SVN r61187]
2010-04-10 18:55:44 +00:00
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
corrected reverse_view [SVN r58299]
2009-12-11 21:01:22 +00:00
<link rel="home" href="../../../index.html" title="Chapter&#160;1.&#160;Fusion 2.0">
associative iterators & views (Fixes #3473) [SVN r57242]
2009-10-30 00:19:19 +00:00
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documentation update - fixes #4281 [SVN r62398]
2010-06-03 08:29:23 +00:00
<div class="section">
associative iterators & views (Fixes #3473) [SVN r57242]
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<div class="titlepage"><div><div><h4 class="title">
<a name="fusion.iterator.functions.deref_data"></a><a class="link" href="deref_data.html" title="deref_data">deref_data</a>
</h4></div></div></div>
<a name="fusion.iterator.functions.deref_data.description"></a><h6>
documentation update - fixes #4281 [SVN r62398]
2010-06-03 08:29:23 +00:00
<a name="id889443"></a>
associative iterators & views (Fixes #3473) [SVN r57242]
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<a class="link" href="deref_data.html#fusion.iterator.functions.deref_data.description">Description</a>
</h6>
<p>
Deferences the data property associated with the element referenced by
an associative iterator.
</p>
<a name="fusion.iterator.functions.deref_data.synopsis"></a><h6>
documentation update - fixes #4281 [SVN r62398]
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<a name="id889460"></a>
associative iterators & views (Fixes #3473) [SVN r57242]
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<a class="link" href="deref_data.html#fusion.iterator.functions.deref_data.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">I</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/deref_data.html" title="deref_data"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">deref_data</span></code></a><span class="special">&lt;</span><span class="identifier">I</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">deref</span><span class="special">(</span><span class="identifier">I</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">i</span><span class="special">);</span>
</pre>
<div class="table">
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<a name="id889560"></a><p class="title"><b>Table&#160;1.8.&#160;Parameters</b></p>
associative iterators & views (Fixes #3473) [SVN r57242]
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<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
documentation update [SVN r61187]
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<p>
Parameter
</p>
</th>
associative iterators & views (Fixes #3473) [SVN r57242]
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<th>
documentation update [SVN r61187]
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<p>
Requirement
</p>
</th>
associative iterators & views (Fixes #3473) [SVN r57242]
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<th>
documentation update [SVN r61187]
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<p>
Description
</p>
</th>
associative iterators & views (Fixes #3473) [SVN r57242]
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</tr></thead>
<tbody><tr>
<td>
documentation update [SVN r61187]
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<p>
<code class="computeroutput"><span class="identifier">i</span></code>
</p>
</td>
associative iterators & views (Fixes #3473) [SVN r57242]
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<td>
documentation update [SVN r61187]
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<p>
Model of <a class="link" href="../concepts/associative_iterator.html" title="Associative Iterator">Associative
Iterator</a>
</p>
</td>
associative iterators & views (Fixes #3473) [SVN r57242]
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<td>
documentation update [SVN r61187]
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<p>
Operation's argument
</p>
</td>
associative iterators & views (Fixes #3473) [SVN r57242]
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</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.iterator.functions.deref_data.expression_semantics"></a><h6>
documentation update - fixes #4281 [SVN r62398]
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<a name="id889650"></a>
associative iterators & views (Fixes #3473) [SVN r57242]
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<a class="link" href="deref_data.html#fusion.iterator.functions.deref_data.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="deref_data.html" title="deref_data"><code class="computeroutput"><span class="identifier">deref_data</span></code></a><span class="special">(</span><span class="identifier">i</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><a class="link" href="../metafunctions/deref_data.html" title="deref_data"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">deref_data</span></code></a><span class="special">&lt;</span><span class="identifier">I</span><span class="special">&gt;::</span><span class="identifier">type</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Dereferences the data property
associated with the element referenced by an associative iterator <code class="computeroutput"><span class="identifier">i</span></code>.
</p>
<a name="fusion.iterator.functions.deref_data.header"></a><h6>
documentation update - fixes #4281 [SVN r62398]
2010-06-03 08:29:23 +00:00
<a name="id889748"></a>
associative iterators & views (Fixes #3473) [SVN r57242]
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<a class="link" href="deref_data.html#fusion.iterator.functions.deref_data.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">iterator</span><span class="special">/</span><span class="identifier">deref_data</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">deref_data</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.iterator.functions.deref_data.example"></a><h6>
documentation update - fixes #4281 [SVN r62398]
2010-06-03 08:29:23 +00:00
<a name="id889856"></a>
associative iterators & views (Fixes #3473) [SVN r57242]
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<a class="link" href="deref_data.html#fusion.iterator.functions.deref_data.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">typedef</span> <a class="link" href="../../container/map.html" title="map"><code class="computeroutput"><span class="identifier">map</span></code></a><span class="special">&lt;</span><a class="link" href="../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><span class="special">&lt;</span><span class="keyword">float</span><span class="special">,</span><span class="keyword">int</span><span class="special">&amp;&gt;</span> <span class="special">&gt;</span> <span class="identifier">map</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">i</span><span class="special">(</span><span class="number">0</span><span class="special">);</span>
<span class="identifier">map</span> <span class="identifier">m</span><span class="special">(</span><span class="number">1.0f</span><span class="special">,</span><span class="identifier">i</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="deref_data.html" title="deref_data"><code class="computeroutput"><span class="identifier">deref_data</span></code></a><span class="special">(</span><a class="link" href="../../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">m</span><span class="special">))</span> <span class="special">==</span> <span class="number">0</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(&amp;(</span><a class="link" href="deref_data.html" title="deref_data"><code class="computeroutput"><span class="identifier">deref_data</span></code></a><span class="special">(</span><a class="link" href="../../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">m</span><span class="special">)))</span> <span class="special">==</span> <span class="special">&amp;</span><span class="identifier">i</span><span class="special">);</span>
</pre>
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corrected reverse_view [SVN r58299]
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
associative iterators & views (Fixes #3473) [SVN r57242]
2009-10-30 00:19:19 +00:00
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>)
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