forked from boostorg/fusion
merged fusion from the trunk
[SVN r63560]
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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="../functions.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" title="find">
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<div class="section">
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.algorithm.query.functions.find"></a><a class="link" href="find.html" title="find">find</a>
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</h5></div></div></div>
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<a name="fusion.algorithm.query.functions.find.description"></a><h6>
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<a name="id783936"></a>
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<a name="id1022093"></a>
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<a class="link" href="find.html#fusion.algorithm.query.functions.find.description">Description</a>
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</h6>
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<p>
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Finds the first element of a given type within a sequence.
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</p>
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<a name="fusion.algorithm.query.functions.find.synopsis"></a><h6>
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<a name="id783953"></a>
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<a name="id1022110"></a>
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<a class="link" href="find.html#fusion.algorithm.query.functions.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="emphasis"><em>unspecified</em></span> <span class="identifier">find</span><span class="special">(</span><span class="identifier">Sequence</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">);</span>
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</pre>
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<div class="table">
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<a name="id784098"></a><p class="title"><b>Table 1.46. Parameters</b></p>
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<a name="id1022255"></a><p class="title"><b>Table 1.52. Parameters</b></p>
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<div class="table-contents"><table class="table" summary="Parameters">
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<colgroup>
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<col>
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</table></div>
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</div>
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<br class="table-break"><a name="fusion.algorithm.query.functions.find.expression_semantics"></a><h6>
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<a name="id785312"></a>
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<a name="id1022376"></a>
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<a class="link" href="find.html#fusion.algorithm.query.functions.find.expression_semantics">Expression
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Semantics</a>
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</h6>
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to <code class="computeroutput"><a class="link" href="find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">find_if</span></code></a><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_same</span><span class="special"><</span><span class="identifier">_</span><span class="special">,</span> <span class="identifier">T</span><span class="special">></span> <span class="special">>(</span><span class="identifier">seq</span><span class="special">)</span></code>
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</p>
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<a name="fusion.algorithm.query.functions.find.complexity"></a><h6>
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<a name="id785480"></a>
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<a name="id1022613"></a>
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<a class="link" href="find.html#fusion.algorithm.query.functions.find.complexity">Complexity</a>
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</h6>
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<p>
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Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> comparisons.
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</p>
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<a name="fusion.algorithm.query.functions.find.header"></a><h6>
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<a name="id785530"></a>
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<a name="id1022664"></a>
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<a class="link" href="find.html#fusion.algorithm.query.functions.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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<a name="fusion.algorithm.query.functions.find.example"></a><h6>
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<a name="id785646"></a>
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<a name="id1022779"></a>
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<a class="link" href="find.html#fusion.algorithm.query.functions.find.example">Example</a>
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</h6>
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<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">char</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="char">'a'</span><span class="special">,</span><span class="char">'0'</span><span class="special">);</span>
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