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| <div class="section" id="find"> |
| <h1><a class="toc-backref" href="./querying-algorithms.html#id1475">find</a></h1> |
| <div class="section" id="id535"> |
| <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> |
| <pre class="literal-block"> |
| template< |
| typename Sequence |
| , typename T |
| > |
| struct <a href="./find.html" class="identifier">find</a> |
| { |
| typedef <em>unspecified</em> type; |
| }; |
| </pre> |
| </div> |
| <div class="section" id="id536"> |
| <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> |
| <p>Returns an iterator to the first occurrence of type <tt class="literal"><span class="pre">T</span></tt> in a <tt class="literal"><span class="pre">Sequence</span></tt>.</p> |
| </div> |
| <div class="section" id="id537"> |
| <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> |
| <pre class="literal-block"> |
| #include <<a href="../../../../boost/mpl/find.hpp" class="header">boost/mpl/find.hpp</a>> |
| </pre> |
| </div> |
| <div class="section" id="id538"> |
| <h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3> |
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| <tr><th class="head">Parameter</th> |
| <th class="head">Requirement</th> |
| <th class="head">Description</th> |
| </tr> |
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| <tbody valign="top"> |
| <tr><td><tt class="literal"><span class="pre">Sequence</span></tt></td> |
| <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> |
| <td>A sequence to search in.</td> |
| </tr> |
| <tr><td><tt class="literal"><span class="pre">T</span></tt></td> |
| <td>Any type</td> |
| <td>A type to search for.</td> |
| </tr> |
| </tbody> |
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| </div> |
| <div class="section" id="id539"> |
| <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> |
| <p>For any <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">s</span></tt> and arbitrary type <tt class="literal"><span class="pre">t</span></tt>:</p> |
| <pre class="literal-block"> |
| typedef <a href="./find.html" class="identifier">find</a><s,t>::type i; |
| </pre> |
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| <col class="field-name" /> |
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| <tbody valign="top"> |
| <tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./forward-iterator.html">Forward Iterator</a>.</p> |
| </td> |
| </tr> |
| <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p> |
| <pre class="last literal-block"> |
| typedef <a href="./find-if.html" class="identifier">find_if</a><s, is_same<_,t> >::type i; |
| </pre> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="section" id="id540"> |
| <h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3> |
| <p>Linear. At most <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt> comparisons for identity.</p> |
| </div> |
| <div class="section" id="id541"> |
| <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> |
| <pre class="literal-block"> |
| typedef <a href="./vector.html" class="identifier">vector</a><char,int,unsigned,long,unsigned long> types; |
| typedef <a href="./find.html" class="identifier">find</a><types,unsigned>::type iter; |
| |
| <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./deref.html" class="identifier">deref</a><iter>::type, unsigned > )); |
| <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( iter::pos::value, ==, 2 ); |
| </pre> |
| </div> |
| <div class="section" id="id542"> |
| <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> |
| <p><a class="reference internal" href="./querying-algorithms.html">Querying Algorithms</a>, <a class="reference internal" href="./contains.html">contains</a>, <a class="reference internal" href="./find-if.html">find_if</a>, <a class="reference internal" href="./count.html">count</a>, <a class="reference internal" href="./lower-bound.html">lower_bound</a></p> |
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