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<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span>... <span class="me1">Args</span> <span class="sy1">&gt;</span><br><a href="../../utility/pairhtml.html"><span class="kw900">std::<span class="me2">pair</span></span></a><span class="sy1">&lt;</span>iterator,<span class="kw4">bool</span><span class="sy1">&gt;</span> emplace<span class="br0">(</span> Args<span class="sy3">&amp;&amp;</span>... <span class="me1">args</span> <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td class="t-ddcl-list-item-nopad">  </td>
<td> <span class="t-mark">(since C++11)</span> </td>
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<p>Inserts a new element to the container. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element type (<tt>value_type</tt>) is called as follows: the first argument is used to construct the key, the rest of the arguments are used to construct the value.
</p>
<p>No iterators or references are invalidated.
</p>
<table id="toc" class="toc"><tr><td>
<div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1"><a href="#Parameters"><span class="tocnumber">1</span> <span class="toctext">Parameters</span></a></li>
<li class="toclevel-1"><a href="#Return_value"><span class="tocnumber">2</span> <span class="toctext">Return value</span></a></li>
<li class="toclevel-1"><a href="#Complexity"><span class="tocnumber">3</span> <span class="toctext">Complexity</span></a></li>
<li class="toclevel-1"><a href="#See_also"><span class="tocnumber">4</span> <span class="toctext">See also</span></a></li>
</ul>
</td></tr></table>
<h3>
<span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/emplace_assoc&amp;action=edit&amp;section=T-1" title="Template:cpp/container/emplace assoc">edit</a>]</span> <span class="mw-headline" id="Parameters">Parameters</span>
</h3>
<table class="t-param-list-begin"><tr class="t-param-list-item">
<td>  args
</td>
<td> -
</td>
<td>  arguments to forward to the constructor of the element
</td>
</tr></table>
<h3>
<span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/emplace_assoc&amp;action=edit&amp;section=T-2" title="Template:cpp/container/emplace assoc">edit</a>]</span> <span class="mw-headline" id="Return_value">Return value</span>
</h3>
<p>returns a pair consisting of a <span class="mw-geshi cpp source-cpp"><span class="kw4">bool</span></span> denoting whether the insertion took place and an iterator to the inserted element.
</p>
<h3>
<span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/emplace_assoc&amp;action=edit&amp;section=T-3" title="Template:cpp/container/emplace assoc">edit</a>]</span> <span class="mw-headline" id="Complexity">Complexity</span>
</h3>
<p>Logarithmic in the size of the container.
</p>
<h3>
<span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/emplace_assoc&amp;action=edit&amp;section=T-4" title="Template:cpp/container/emplace assoc">edit</a>]</span> <span class="mw-headline" id="See_also">See also</span>
</h3>
<table class="t-dcl-list-begin">
<tr><td colspan="2" class="t-dcl-list-sep">
</td></tr>
<tr class="t-dcl-list-item">
<td>  <div class="t-dcl-member-div">
<div><a href="emplace_hint.html" title="cpp/container/map/emplace hint"> emplace_hint</a></div>
<div><span class="t-mark">(C++11)</span></div>
</div>
</td>
<td>   constructs elements in-place using a hint  <br><span class="t-mark">(public member function)</span> 
</td>
</tr>
<tr><td colspan="2" class="t-dcl-list-sep">
</td></tr>
<tr class="t-dcl-list-item">
<td>  <div class="t-dcl-member-div"><div><a href="insert.html" title="cpp/container/map/insert"> insert</a></div></div>
</td>
<td>   inserts elements  <br><span class="t-mark">(public member function)</span> 
</td>
</tr>
</table>
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