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<h1 class="topictitle1">Capacity</h1>
<div>
<div class="tablenoborder"><table cellpadding="4" summary="" frame="border" border="1" cellspacing="0" rules="all"><span class="tabledesc">The following table provides additional information on the members
of this template class.
</span><thead align="left">
<tr>
<th class="cellrowborder" valign="top" width="33.89830508474576%" id="d56013e29">Member
</th>
<th class="cellrowborder" valign="top" width="66.10169491525423%" id="d56013e32">Description
</th>
</tr>
</thead>
<tbody>
<tr>
<td class="cellrowborder" valign="top" width="33.89830508474576%" headers="d56013e29 "><span class="keyword">size_type size() const</span>
</td>
<td class="cellrowborder" valign="top" width="66.10169491525423%" headers="d56013e32 ">
<p><strong>Returns</strong>: Number of elements in the
vector. The result may include elements that are allocated but still under
construction by concurrent calls to any of the growth methods.
</p>
</td>
</tr>
<tr>
<td class="cellrowborder" valign="top" width="33.89830508474576%" headers="d56013e29 "><span class="keyword">bool empty() const</span>
</td>
<td class="cellrowborder" valign="top" width="66.10169491525423%" headers="d56013e32 ">
<p><strong>Returns</strong>:
<samp class="codeph">size()==0
</samp>
</p>
</td>
</tr>
<tr>
<td class="cellrowborder" valign="top" width="33.89830508474576%" headers="d56013e29 "><span class="keyword"> size_type capacity()
const</span>
</td>
<td class="cellrowborder" valign="top" width="66.10169491525423%" headers="d56013e32 ">
<p><strong>Returns</strong>: Maximum size to which
vector can grow without having to allocate more memory.
</p>
<div class="Note"><h3 class="NoteTipHead">
Note</h3>
<p>Unlike an
<samp class="codeph">std::vector</samp>, a
<samp class="codeph">concurrent_vector</samp> does not move existing
elements if it allocates more memory.
</p>
</div>
</td>
</tr>
<tr>
<td class="cellrowborder" valign="top" width="33.89830508474576%" headers="d56013e29 ">size_type max_size() const
</td>
<td class="cellrowborder" valign="top" width="66.10169491525423%" headers="d56013e32 ">
<p><strong>Returns</strong>: The highest possible size
of the vector could reach.
</p>
</td>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="../../../reference/containers_overview/concurrent_vector.htm">concurrent_vector</a></div>
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