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<a name="boost.interprocess.unordered_map_index"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class template unordered_map_index</span></h2>
<p>boost::interprocess::unordered_map_index</p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../interprocess/indexes_reference.html#header.boost.interprocess.indexes.unordered_map_index_hpp" title="Header <boost/interprocess/indexes/unordered_map_index.hpp>">boost/interprocess/indexes/unordered_map_index.hpp</a>>
</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> MapConfig<span class="special">></span>
<span class="keyword">class</span> <a class="link" href="unordered_map_index.html" title="Class template unordered_map_index">unordered_map_index</a> <span class="special">:</span>
<span class="keyword">public</span> <span class="identifier">unordered_map_index_aux</span><span class="special">::</span><span class="identifier">index_t</span><span class="special"><</span> <span class="identifier">MapConfig</span> <span class="special">></span>
<span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="comment">// <a class="link" href="unordered_map_index.html#boost.interprocess.unordered_map_indexconstruct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="unordered_map_index.html#idm45879391642992-bb"><span class="identifier">unordered_map_index</span></a><span class="special">(</span><a class="link" href="segment_manager_base.html" title="Class template segment_manager_base">segment_manager_base</a> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="unordered_map_index.html#idm45879391647056-bb">public member functions</a></span>
<span class="keyword">void</span> <a class="link" href="unordered_map_index.html#idm45879391646496-bb"><span class="identifier">reserve</span></a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">segment_manager_base</span><span class="special">::</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="unordered_map_index.html#idm45879391644448-bb"><span class="identifier">shrink_to_fit</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45555321004784"></a><h2>Description</h2>
<p>Index type based in unordered_map. Just derives from unordered_map and defines the interface needed by managed memory segments </p>
<div class="refsect2">
<a name="idm45555321003968"></a><h3>
<a name="boost.interprocess.unordered_map_indexconstruct-copy-destruct"></a><code class="computeroutput">unordered_map_index</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<pre class="literallayout"><a name="idm45879391642992-bb"></a><span class="identifier">unordered_map_index</span><span class="special">(</span><a class="link" href="segment_manager_base.html" title="Class template segment_manager_base">segment_manager_base</a> <span class="special">*</span> segment_mngr<span class="special">)</span><span class="special">;</span></pre>
<p>Constructor. Takes a pointer to the segment manager. Can throw </p>
</li></ol></div>
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<div class="refsect2">
<a name="idm45555320996240"></a><h3>
<a name="idm45879391647056-bb"></a><code class="computeroutput">unordered_map_index</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm45879391646496-bb"></a><span class="identifier">reserve</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">segment_manager_base</span><span class="special">::</span><span class="identifier">size_type</span> n<span class="special">)</span><span class="special">;</span></pre>
<p>This reserves memory to optimize the insertion of n elements in the index </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm45879391644448-bb"></a><span class="identifier">shrink_to_fit</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>This tries to free previously allocate unused memory. </p>
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<td align="right"><div class="copyright-footer">Copyright © 2005-2015 Ion Gaztanaga<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
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