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| <div class="section"> |
| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="range.reference.algorithms.non_mutating.find_first_of"></a><a class="link" href="find_first_of.html" title="find_first_of"> |
| find_first_of</a> |
| </h5></div></div></div> |
| <a name="range.reference.algorithms.non_mutating.find_first_of.prototype"></a><h6> |
| <a name="id828846"></a> |
| <a class="link" href="find_first_of.html#range.reference.algorithms.non_mutating.find_first_of.prototype">Prototype</a> |
| </h6> |
| <p> |
| |
| </p> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">SinglePassRange1</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">ForwardRange2</span><span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="identifier">SinglePassRange1</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">find_first_of</span><span class="special">(</span><span class="identifier">SinglePassRange1</span><span class="special">&</span> <span class="identifier">rng1</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">ForwardRange2</span><span class="special">&</span> <span class="identifier">rng2</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">class</span> <span class="identifier">SinglePassRange1</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange2</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">BinaryPredicate</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="identifier">SinglePassRange1</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">find_first_of</span><span class="special">(</span><span class="identifier">SinglePassRange1</span><span class="special">&</span> <span class="identifier">rng1</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">ForwardRange2</span><span class="special">&</span> <span class="identifier">rng2</span><span class="special">,</span> <span class="identifier">BinaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="identifier">range_return_value</span> <span class="identifier">re</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">SinglePassRange1</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange2</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_return</span><span class="special"><</span><span class="identifier">SinglePassRange1</span><span class="special">,</span> <span class="identifier">re</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">find_first_of</span><span class="special">(</span><span class="identifier">SinglePassRange1</span><span class="special">&</span> <span class="identifier">rng1</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">ForwardRange2</span><span class="special">&</span> <span class="identifier">rng2</span><span class="special">);</span> |
| |
| <span class="keyword">template</span><span class="special"><</span> |
| <span class="identifier">range_return_value</span> <span class="identifier">re</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">SinglePassRange1</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">ForwardRange2</span><span class="special">,</span> |
| <span class="keyword">class</span> <span class="identifier">BinaryPredicate</span> |
| <span class="special">></span> |
| <span class="keyword">typename</span> <span class="identifier">range_return</span><span class="special"><</span><span class="identifier">SinglePassRange1</span><span class="special">,</span> <span class="identifier">re</span><span class="special">>::</span><span class="identifier">type</span> |
| <span class="identifier">find_first_of</span><span class="special">(</span><span class="identifier">SinglePassRange1</span><span class="special">&</span> <span class="identifier">rng1</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">ForwardRange2</span><span class="special">&</span> <span class="identifier">rng2</span><span class="special">,</span> <span class="identifier">BinaryPredicate</span> <span class="identifier">pred</span><span class="special">);</span> |
| </pre> |
| <p> |
| </p> |
| <a name="range.reference.algorithms.non_mutating.find_first_of.description"></a><h6> |
| <a name="id829496"></a> |
| <a class="link" href="find_first_of.html#range.reference.algorithms.non_mutating.find_first_of.description">Description</a> |
| </h6> |
| <p> |
| The versions of <code class="computeroutput"><span class="identifier">find_first_of</span></code> |
| that return an iterator, return an iterator to the first occurrence in |
| <code class="computeroutput"><span class="identifier">rng1</span></code> of any of the elements |
| in <code class="computeroutput"><span class="identifier">rng2</span></code>. Equality is |
| determined by <code class="computeroutput"><span class="keyword">operator</span><span class="special">==</span></code> |
| for non-predicate versions of <code class="computeroutput"><span class="identifier">find_first_of</span></code>, |
| and by satisfying <code class="computeroutput"><span class="identifier">pred</span></code> |
| in the predicate versions. |
| </p> |
| <p> |
| The versions of <code class="computeroutput"><span class="identifier">find_first_of</span></code> |
| that return a <code class="computeroutput"><span class="identifier">range_return</span></code>, |
| defines <code class="computeroutput"><span class="identifier">found</span></code> in the |
| same manner as the returned iterator described above. |
| </p> |
| <a name="range.reference.algorithms.non_mutating.find_first_of.definition"></a><h6> |
| <a name="id829631"></a> |
| <a class="link" href="find_first_of.html#range.reference.algorithms.non_mutating.find_first_of.definition">Definition</a> |
| </h6> |
| <p> |
| Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">find_first_of</span><span class="special">.</span><span class="identifier">hpp</span></code> |
| </p> |
| <a name="range.reference.algorithms.non_mutating.find_first_of.requirements"></a><h6> |
| <a name="id829704"></a> |
| <a class="link" href="find_first_of.html#range.reference.algorithms.non_mutating.find_first_of.requirements">Requirements</a> |
| </h6> |
| <p> |
| <span class="bold"><strong>For the non-predicate versions:</strong></span> |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">SinglePassRange1</span></code> |
| is a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single |
| Pass Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">ForwardRange2</span></code> is |
| a model of the <a class="link" href="../../../concepts/forward_range.html" title="Forward Range">Forward |
| Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">SinglePassRange1</span></code>'s |
| value type is a model of the <code class="computeroutput"><span class="identifier">EqualityComparableConcept</span></code>, |
| and can be compared for equality with <code class="computeroutput"><span class="identifier">ForwardRange2</span></code>'s |
| value type. |
| </li> |
| </ul></div> |
| <p> |
| <span class="bold"><strong>For the predicate versions:</strong></span> |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">SinglePassRange1</span></code> |
| is a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single |
| Pass Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">ForwardRange2</span></code> is |
| a model of the <a class="link" href="../../../concepts/forward_range.html" title="Forward Range">Forward |
| Range</a> Concept. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">BinaryPredicate</span></code> is |
| a model of the <code class="computeroutput"><span class="identifier">BinaryPredicateConcept</span></code>. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">SinglePassRange1</span></code>'s |
| value type is convertible to <code class="computeroutput"><span class="identifier">BinaryPredicate</span></code>'s |
| first argument type. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">ForwardRange2</span></code>'s value |
| type is convertible to <code class="computeroutput"><span class="identifier">BinaryPredicate</span></code>'s |
| second argument type. |
| </li> |
| </ul></div> |
| <a name="range.reference.algorithms.non_mutating.find_first_of.complexity"></a><h6> |
| <a name="id829982"></a> |
| <a class="link" href="find_first_of.html#range.reference.algorithms.non_mutating.find_first_of.complexity">Complexity</a> |
| </h6> |
| <p> |
| At most <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng1</span><span class="special">)</span> <span class="special">*</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng2</span><span class="special">)</span></code> comparisons. |
| </p> |
| </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 © 2003 -2010 Thorsten Ottosen, Neil Groves<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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