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HTML
147 lines
8.5 KiB
HTML
<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>find</title>
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<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.65.1">
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<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
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<link rel="up" href="../metafunctions.html" title="Metafunctions">
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<link rel="previous" href="none.html" title="none">
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<link rel="next" href="find_if.html" title="find_if">
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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="../../../../../../../../index.html">Home</a></td>
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<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
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<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
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<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
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<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="none.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="find_if.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
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<div class="section" lang="en">
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<div class="titlepage">
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<div><div><h5 class="title">
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<a name="fusion.algorithm.query.metafunctions.find"></a><a href="find.html" title="find">find</a>
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</h5></div></div>
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<div></div>
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</div>
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<a name="fusion.algorithm.query.metafunctions.find.description"></a><h6>
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<a name="id554625"></a>
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<a href="find.html#fusion.algorithm.query.metafunctions.find.description">Description</a>
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</h6>
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<p>
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Returns the result type of <tt class="computeroutput"><span class="identifier">find</span></tt>,
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given the sequence and search types.
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</p>
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<a name="fusion.algorithm.query.metafunctions.find.synopsis"></a><h6>
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<a name="id554666"></a>
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<a href="find.html#fusion.algorithm.query.metafunctions.find.synopsis">Synopsis</a>
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</h6>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">T</span>
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<span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">find</span>
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<span class="special">{</span>
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<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
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<span class="special">};</span>
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</pre>
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<div class="table">
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<a name="id554782"></a><p class="title"><b>Table 1.49. Parameters</b></p>
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<table class="table" summary="Parameters">
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<colgroup>
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<col>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th><p>
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Parameter
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</p></th>
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<th><p>
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Requirement
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</p></th>
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<th><p>
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Description
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</p></th>
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</tr></thead>
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<tbody>
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<tr>
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<td><p>
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<tt class="computeroutput"><span class="identifier">Sequence</span></tt>
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</p></td>
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<td><p>
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Model of <a href="../../../sequence/concepts/forward_sequence.html" title="Forward
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Sequence">Forward
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Sequence</a>
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</p></td>
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<td><p>
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Operation's argument
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</p></td>
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</tr>
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<tr>
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<td><p>
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<tt class="computeroutput"><span class="identifier">T</span></tt>
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</p></td>
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<td><p>
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Any type
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</p></td>
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<td><p>
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Operation's argument
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</p></td>
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</tr>
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</tbody>
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</table>
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</div>
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<a name="fusion.algorithm.query.metafunctions.find.expression_semantics"></a><h6>
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<a name="id554920"></a>
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<a href="find.html#fusion.algorithm.query.metafunctions.find.expression_semantics">Expression
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Semantics</a>
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</h6>
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<pre class="programlisting"><a href="find.html" title="find"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">find</span></tt></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span>
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</pre>
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<p>
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<span class="bold"><b>Return type</b></span>: A model of the same iterator
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category as the iterators of <tt class="computeroutput"><span class="identifier">Sequence</span></tt>.
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</p>
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<p>
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<span class="bold"><b>Semantics</b></span>: Returns an iterator to the
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first element of type <tt class="computeroutput"><span class="identifier">T</span></tt>
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in <tt class="computeroutput"><span class="identifier">Sequence</span></tt>, or <tt class="computeroutput"><a href="../../../sequence/intrinsic/metafunctions/end.html" title="end"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">end</span></tt></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">type</span></tt>
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if there is no such element.
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</p>
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<a name="fusion.algorithm.query.metafunctions.find.complexity"></a><h6>
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<a name="id555121"></a>
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<a href="find.html#fusion.algorithm.query.metafunctions.find.complexity">Complexity</a>
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</h6>
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<p>
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Linear, at most <tt class="computeroutput"><a href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></tt></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></tt> comparisons.
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</p>
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<a name="fusion.algorithm.query.metafunctions.find.header"></a><h6>
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<a name="id555202"></a>
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<a href="find.html#fusion.algorithm.query.metafunctions.find.header">Header</a>
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</h6>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">find</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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<span class="preprocessor">#include</span> <span class="special"><</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">find</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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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 © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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Schwinger<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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</div></td>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="none.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="find_if.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
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