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<title>container_traits Interface</title>
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<h1><tt>container_traits</tt> Interface</h1>
<p>Traits of an associative-container based on its underlying
data structure.</p>
<p>Defined in: <a href=
"../../../../include/ext/pb_ds/tag_and_trait.hpp"><tt>tag_and_trait.hpp</tt></a></p>
<h2><a name="link1" id="link1">Template Parameters</a></h2>
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"Template Parameters">
<tr>
<td width="20%" align="left"><b>Parameter</b></td>
<td width="50%" align="left"><b>Description</b></td>
<td width="30%" align="left"><b>Default Value</b></td>
</tr>
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<td>
<pre>
<a name="Cntnr59189" id="Cntnr59189"><b>class</b> Cntnr</a>
</pre>
</td>
<td>
<p>Container type.</p>
</td>
<td>-</td>
</tr>
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<h2><a name="link2" id="link2">Public Types and
Constants</a></h2>
<h3><a name="link3" id="link3">Container Attributes</a></h3>
<table class="c1" width="100%" border="1" summary="Types">
<tr>
<td width="30%" align="left"><b>Type</b></td>
<td width="55%" align="left"><b>Definition</b></td>
<td width="15%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<a name="invalidation_guarantee3793555937" id=
"invalidation_guarantee3793555937">invalidation_guarantee</a>
</pre>
</td>
<td>
<pre>
Invalidation guarantee.
</pre>
</td>
<td>
<p>Invalidation-guarantee type.</p>
<p>This is either <a href=
"basic_invalidation_guarantee.html"><span class=
"c2"><tt>basic_invalidation_guarantee</tt></span></a>,
<a href="point_invalidation_guarantee.html"><span class=
"c2"><tt>point_invalidation_guarantee</tt></span></a>, or
<a href="range_invalidation_guarantee.html"><span class=
"c2"><tt>range_invalidation_guarantee</tt></span></a></p>
</td>
</tr>
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<td>
<pre>
<a name="order_preserving1910229172" id=
"order_preserving1910229172">order_preserving</a>
</pre>
</td>
<td>
<pre>
True only if Cntnr objects guarantee storing keys by order.
</pre>
</td>
<td>
<p>Order-preserving indicator.</p>
</td>
</tr>
<tr>
<td>
<pre>
<a name="erase_can_throw153323856" id=
"erase_can_throw153323856">erase_can_throw</a>
</pre>
</td>
<td>
<pre>
True only if erasing a key can throw.
</pre>
</td>
<td>
<p>Erase-throw indicator.</p>
</td>
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<tr>
<td>
<pre>
<a name="reverse_iteration894617078" id=
"reverse_iteration894617078">reverse_iteration</a>
</pre>
</td>
<td>
<pre>
True only reverse iterators are supported.
</pre>
</td>
<td>
<p>Reverse iteration indicator.</p>
</td>
</tr>
<tr>
<td>
<pre>
<a name="split_join_can_throw3200477759" id=
"split_join_can_throw3200477759">split_join_can_throw</a>
</pre>
</td>
<td>
<pre>
True only if split or join operations can throw.
</pre>
</td>
<td>
<p>Split-join throw indicator.</p>
</td>
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