113 lines
7.4 KiB
HTML
113 lines
7.4 KiB
HTML
<?xml version="1.0" encoding="utf-8" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" />
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<title>The MPL Reference Manual: end</title>
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<link rel="stylesheet" href="../style.css" type="text/css" />
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</head>
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<body class="docframe refmanual">
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<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./empty.html" class="navigation-link">Prev</a> <a href="./erase.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./empty.html" class="navigation-link">Back</a> <a href="./erase.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./intrinsic-metafunctions.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
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<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./sequences.html" class="navigation-link">Sequences</a> / <a href="./intrinsic-metafunctions.html" class="navigation-link">Intrinsic Metafunctions</a> / <a href="./end.html" class="navigation-link">end</a></td>
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</tr></table><div class="header-separator"></div>
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<div class="section" id="end">
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<h1><a class="toc-backref" href="./intrinsic-metafunctions.html#id1431">end</a></h1>
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<div class="section" id="id229">
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<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
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<pre class="literal-block">
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template<
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typename X
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>
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struct <a href="./end.html" class="identifier">end</a>
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{
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typedef <em>unspecified</em> type;
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};
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</pre>
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</div>
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<div class="section" id="id230">
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<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
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<p>Returns the sequence's past-the-end iterator. If the argument is not a
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<a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>, returns <a class="reference internal" href="./void.html">void_</a>.</p>
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</div>
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<div class="section" id="id231">
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<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
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<pre class="literal-block">
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#include <<a href="../../../../boost/mpl/begin_end.hpp" class="header">boost/mpl/begin_end.hpp</a>>
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</pre>
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</div>
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<div class="section" id="id232">
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<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
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<p><a class="reference internal" href="./tag-dispatched-metafunction.html">Tag Dispatched Metafunction</a></p>
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</div>
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<div class="section" id="id233">
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<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
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<table border="1" class="docutils table">
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<colgroup>
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<col width="19%" />
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<col width="23%" />
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<col width="58%" />
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</colgroup>
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<thead valign="bottom">
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<tr><th class="head">Parameter</th>
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<th class="head">Requirement</th>
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<th class="head">Description</th>
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</tr>
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</thead>
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<tbody valign="top">
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<tr><td><tt class="literal"><span class="pre">X</span></tt></td>
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<td>Any type</td>
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<td>A type whose end iterator, if any, will be
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returned.</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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<div class="section" id="id234">
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<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
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<p>For any arbitrary type <tt class="literal"><span class="pre">x</span></tt>:</p>
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<pre class="literal-block">
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typedef <a href="./end.html" class="identifier">end</a><x>::type last;
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</pre>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<tbody valign="top">
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<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference internal" href="./forward-iterator.html">Forward Iterator</a> or <a class="reference internal" href="./void.html">void_</a>.</td>
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</tr>
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<tr class="field"><th class="field-name">Semantics:</th><td class="field-body">If <tt class="literal"><span class="pre">x</span></tt> is <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>, <tt class="literal"><span class="pre">last</span></tt> is an iterator pointing one past the
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last element in <tt class="literal"><span class="pre">s</span></tt>; otherwise <tt class="literal"><span class="pre">last</span></tt> is <a class="reference internal" href="./void.html">void_</a>.</td>
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</tr>
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<tr class="field"><th class="field-name">Postcondition:</th><td class="field-body">If <tt class="literal"><span class="pre">last</span></tt> is an iterator, it is past-the-end.</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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<div class="section" id="id235">
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<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
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<p>Amortized constant time.</p>
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</div>
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<div class="section" id="id236">
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<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
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<pre class="literal-block">
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typedef <a href="./vector.html" class="identifier">vector</a><long> v;
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typedef <a href="./begin.html" class="identifier">begin</a><v>::type first;
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typedef <a href="./end.html" class="identifier">end</a><v>::type last;
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<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./next.html" class="identifier">next</a><first>::type, last > ));
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</pre>
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</div>
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<div class="section" id="id237">
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<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
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<p><a class="reference internal" href="./iterators.html">Iterators</a>, <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>, <a class="reference internal" href="./begin.html">begin</a>, <a class="reference internal" href="./end.html">end</a>, <a class="reference internal" href="./next.html">next</a></p>
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<!-- Sequences/Intrinsic Metafunctions//erase -->
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</div>
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</div>
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<div class="footer-separator"></div>
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<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./empty.html" class="navigation-link">Prev</a> <a href="./erase.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./empty.html" class="navigation-link">Back</a> <a href="./erase.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./intrinsic-metafunctions.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
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<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div>
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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 class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body>
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