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Aleksey Gurtovoy 203a9f086a merge RC_1_32_0 fixes 
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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="generator" content="Docutils 0.3.6: http://docutils.sourceforge.net/" />
<title>The MPL Reference Manual: insert</title>
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<body class="docframe refmanual">
<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./has-key.html" class="navigation-link">Prev</a>&nbsp;<a href="./insert-range.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./has-key.html" class="navigation-link">Back</a>&nbsp;<a href="./insert-range.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./intrinsic-metafunctions.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
<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="./insert.html" class="navigation-link">insert</a></td>
</tr></table><div class="header-separator"></div>
<div class="section" id="insert">
<h1><a class="toc-backref" href="./intrinsic-metafunctions.html#id364" name="insert">insert</a></h1>
<div class="section" id="insert-synopsis">
<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
<pre class="literal-block">
template&lt;
typename Sequence
, typename Pos
, typename T
&gt;
struct <a href="./insert.html" class="identifier">insert</a>
{
typedef <em>unspecified</em> type;
};
template&lt;
typename Sequence
, typename T
&gt;
struct <a href="./insert.html" class="identifier">insert</a>
{
typedef <em>unspecified</em> type;
};
</pre>
</div>
<div class="section" id="insert-description">
<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
<p><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a></span></tt> is an <a class="reference" href="./terminology.html#overloaded-name">overloaded name</a>:</p>
<ul class="simple">
<li><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a>&lt;Sequence,Pos,T&gt;</span></tt> performs an insertion of
type <tt class="literal"><span class="pre">T</span></tt> at an arbitrary position <tt class="literal"><span class="pre">Pos</span></tt> in <tt class="literal"><span class="pre">Sequence</span></tt>. <tt class="literal"><span class="pre">Pos</span></tt> is ignored is
<tt class="literal"><span class="pre">Sequence</span></tt> is a model of <a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a>.</li>
<li><tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a>&lt;Sequence,T&gt;</span></tt> is a shortcut notation for <tt class="literal"><span class="pre"><a href="./insert.html" class="identifier">insert</a>&lt;Sequence,Pos,T&gt;</span></tt> for the
case when <tt class="literal"><span class="pre">Sequence</span></tt> is a model of <a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a>.</li>
</ul>
</div>
<div class="section" id="insert-header">
<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
<pre class="literal-block">
#include &lt;<a href="../../../../boost/mpl/insert.hpp" class="header">boost/mpl/insert.hpp</a>&gt;
</pre>
</div>
<div class="section" id="insert-model-of">
<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
<p><a class="reference" href="./tag-dispatched.html">Tag Dispatched Metafunction</a></p>
</div>
<div class="section" id="insert-parameters">
<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
<table border="1" class="table">
<colgroup>
<col width="15%" />
<col width="36%" />
<col width="48%" />
</colgroup>
<thead valign="bottom">
<tr><th>Parameter</th>
<th>Requirement</th>
<th>Description</th>
</tr>
</thead>
<tbody valign="top">
<tr><td><tt class="literal"><span class="pre">Sequence</span></tt></td>
<td><a class="reference" href="./extensible-sequence.html">Extensible Sequence</a> or
<a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a></td>
<td>A sequence to insert into.</td>
</tr>
<tr><td><tt class="literal"><span class="pre">Pos</span></tt></td>
<td><a class="reference" href="./forward-iterator.html">Forward Iterator</a></td>
<td>An iterator in <tt class="literal"><span class="pre">Sequence</span></tt> specifying the
insertion position.</td>
</tr>
<tr><td><tt class="literal"><span class="pre">T</span></tt></td>
<td>Any type</td>
<td>The element to be inserted.</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="insert-expression-semantics">
<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
<div class="expression-semantics compound">
<p class="compound-first">For any <a class="reference" href="./extensible-sequence.html">Extensible Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, iterator <tt class="literal"><span class="pre">pos</span></tt> in <tt class="literal"><span class="pre">s</span></tt>, and arbitrary type <tt class="literal"><span class="pre">x</span></tt>:</p>
<pre class="compound-middle literal-block">
typedef <a href="./insert.html" class="identifier">insert</a>&lt;s,pos,x&gt;::type r;
</pre>
<table class="compound-last field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference" href="./extensible-sequence.html">Extensible Sequence</a></td>
</tr>
<tr class="field"><th class="field-name">Precondition:</th><td class="field-body"><tt class="literal"><span class="pre">pos</span></tt> is an iterator in <tt class="literal"><span class="pre">s</span></tt>.</td>
</tr>
<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">r</span></tt> is a sequence, <a class="reference" href="./terminology.html#concept-identical">concept-identical</a> to <tt class="literal"><span class="pre">s</span></tt>, of the following elements:
[<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;s&gt;::type</span></tt>, <tt class="literal"><span class="pre">pos</span></tt>), <tt class="literal"><span class="pre">x</span></tt>, [<tt class="literal"><span class="pre">pos</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;s&gt;::type</span></tt>).</td>
</tr>
<tr class="field"><th class="field-name">Postcondition:</th><td class="field-body"><p class="first">The relative order of the elements in <tt class="literal"><span class="pre">r</span></tt> is the same as in <tt class="literal"><span class="pre">s</span></tt>.</p>
<pre class="literal-block">
<a href="./at.html" class="identifier">at</a>&lt; r, <a href="./distance.html" class="identifier">distance</a>&lt; <a href="./begin.html" class="identifier">begin</a>&lt;s&gt;::type,pos &gt;::type &gt;::type
</pre>
<p>is identical to <tt class="literal"><span class="pre">x</span></tt>;</p>
<pre class="last literal-block">
<a href="./size.html" class="identifier">size</a>&lt;r&gt;::value == <a href="./size.html" class="identifier">size</a>&lt;s&gt;::value + 1;
</pre>
</td>
</tr>
</tbody>
</table>
</div>
<div class="expression-semantics compound">
<p class="compound-first">For any <a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, iterator <tt class="literal"><span class="pre">pos</span></tt> in <tt class="literal"><span class="pre">s</span></tt>,
and arbitrary type <tt class="literal"><span class="pre">x</span></tt>:</p>
<pre class="compound-middle literal-block">
typedef <a href="./insert.html" class="identifier">insert</a>&lt;s,x&gt;::type r;
</pre>
<table class="compound-middle field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a></td>
</tr>
<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">r</span></tt> is <a class="reference" href="./terminology.html#concept-identical">concept-identical</a> and equivalent to <tt class="literal"><span class="pre">s</span></tt>, except that
<tt class="literal"><span class="pre"><a href="./at.html" class="identifier">at</a>&lt;</span> <span class="pre">r,</span> <span class="pre"><a href="./key-type.html" class="identifier">key_type</a>&lt;s,x&gt;::type</span> <span class="pre">&gt;::type</span></tt> is identical to <tt class="literal"><span class="pre"><a href="./value-type.html" class="identifier">value_type</a>&lt;s,x&gt;::type</span></tt>.</td>
</tr>
<tr class="field"><th class="field-name">Postcondition:</th><td class="field-body"><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a>&lt;r&gt;::value</span> <span class="pre">==</span> <span class="pre"><a href="./size.html" class="identifier">size</a>&lt;s&gt;::value</span> <span class="pre">+</span> <span class="pre">1</span></tt>.</td>
</tr>
</tbody>
</table>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<pre class="compound-middle literal-block">
typedef <a href="./insert.html" class="identifier">insert</a>&lt;s,pos,x&gt;::type r;
</pre>
<table class="compound-last field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a></td>
</tr>
<tr class="field"><th class="field-name">Precondition:</th><td class="field-body"><tt class="literal"><span class="pre">pos</span></tt> is an iterator in <tt class="literal"><span class="pre">s</span></tt>.</td>
</tr>
<tr class="field"><th class="field-name">Semantics:</th><td class="field-body">Equivalent to <tt class="literal"><span class="pre">typedef</span> <span class="pre"><a href="./insert.html" class="identifier">insert</a>&lt;s,x&gt;::type</span> <span class="pre">r</span></tt>; <tt class="literal"><span class="pre">pos</span></tt> is ignored.</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="insert-complexity">
<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
<table border="1" class="table">
<colgroup>
<col width="45%" />
<col width="55%" />
</colgroup>
<thead valign="bottom">
<tr><th>Sequence archetype</th>
<th>Complexity</th>
</tr>
</thead>
<tbody valign="top">
<tr><td><a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a></td>
<td>Amortized constant time.</td>
</tr>
<tr><td><a class="reference" href="./extensible-sequence.html">Extensible Sequence</a></td>
<td>Linear in the worst case, or amortized
constant time.</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="insert-example">
<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
<pre class="literal-block">
typedef <a href="./vector-c.html" class="identifier">vector_c</a>&lt;int,0,1,3,4,5,6,7,8,9&gt; numbers;
typedef <a href="./find.html" class="identifier">find</a>&lt; numbers,<a href="./integral-c.html" class="identifier">integral_c</a>&lt;int,3&gt; &gt;::type pos;
typedef <a href="./insert.html" class="identifier">insert</a>&lt; numbers,pos,<a href="./integral-c.html" class="identifier">integral_c</a>&lt;int,2&gt; &gt;::type range;
<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a>&lt;range&gt;::value, ==, 10 );
<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>&lt; range,<a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,10&gt; > ));
</pre>
<pre class="literal-block">
typedef <a href="./map.html" class="identifier">map</a>&lt; mpl::<a href="./pair.html" class="identifier">pair</a>&lt;int,unsigned&gt; &gt; m;
typedef <a href="./insert.html" class="identifier">insert</a>&lt;m,mpl::<a href="./pair.html" class="identifier">pair</a>&lt;char,long&gt; &gt;::type m1;
<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a>&lt;m1&gt;::value, ==, 2 );
<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same&lt; <a href="./at.html" class="identifier">at</a>&lt;m1,int&gt;::type,unsigned &gt; ));
<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same&lt; <a href="./at.html" class="identifier">at</a>&lt;m1,char&gt;::type,long > ));
</pre>
</div>
<div class="section" id="insert-see-also">
<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
<p><a class="reference" href="./extensible-sequence.html">Extensible Sequence</a>, <a class="reference" href="./extensible-associative.html">Extensible Associative Sequence</a>, <a class="refentry reference" href="./insert-range.html"><tt class="refentry literal"><span class="pre">insert_range</span></tt></a>, <a class="refentry reference" href="./push-front.html"><tt class="refentry literal"><span class="pre">push_front</span></tt></a>, <a class="refentry reference" href="./push-back.html"><tt class="refentry literal"><span class="pre">push_back</span></tt></a>, <a class="refentry reference" href="./erase.html"><tt class="refentry literal"><span class="pre">erase</span></tt></a></p>
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