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<h1><tt>sample_resize_policy</tt> Interface</h1>
<p>A sample resize policy.</p>
<p>This class serves to show the interface a resize policy
needs to support.</p>
<p>Defined in: <a href=
"http://gcc.gnu.org/viewcvs/*checkout*/trunk/libstdc%2B%2B-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_policy.hpp"><tt>sample_resize_policy.hpp</tt></a></p>
<h2><a name="link1" id="link1">Public Types and
Constants</a></h2>
<h3><a name="link2" id="link2">General definitions.</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="size_type55424436" id="size_type55424436">size_type</a>
</pre>
</td>
<td>
<pre>
size_t, e.g.
</pre>
</td>
<td>
<p>Size type.</p>
</td>
</tr>
</table>
<h2><a name="link3" id="link3">Public Methods</a></h2>
<h3><a name="link4" id="link4">Constructors, destructor, and
related.</a></h3>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
sample_resize_policy
()
</pre>
</td>
<td>
<p>Default constructor.</p>
<p>Must be default constructable.</p>
</td>
</tr>
<tr>
<td>
<pre>
sample_range_hashing
(<b>const</b> sample_resize_policy &other)
</pre>
</td>
<td>
<p>Copy constructor.</p>
<p>Must be copy constructable.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
swap
(sample_resize_policy &other)
</pre>
</td>
<td>
<p>Swaps content.</p>
<p>Must be swappable (if there is such a word).</p>
</td>
</tr>
</table>
<h2><a name="link5" id="link5">Protected Methods</a></h2>
<h3><a name="link6" id="link6">Insert search
notifications.</a></h3>
<p>Notifications called during an insert operation.</p>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_insert_search_start
()
</pre>
</td>
<td>
<p>Notifies a search started.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_insert_search_collision
()
</pre>
</td>
<td>
<p>Notifies a search encountered a collision.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_insert_search_end
()
</pre>
</td>
<td>
<p>Notifies a search ended.</p>
</td>
</tr>
</table>
<h3><a name="link7" id="link7">Find search
notifications.</a></h3>
<p>Notifications called during a find operation.</p>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_find_search_start
()
</pre>
</td>
<td>
<p>Notifies a search started.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_find_search_collision
()
</pre>
</td>
<td>
<p>Notifies a search encountered a collision.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_find_search_end
()
</pre>
</td>
<td>
<p>Notifies a search ended.</p>
</td>
</tr>
</table>
<h3><a name="link8" id="link8">Erase search
notifications.</a></h3>
<p>Notifications called during an insert operation.</p>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_erase_search_start
()
</pre>
</td>
<td>
<p>Notifies a search started.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_erase_search_collision
()
</pre>
</td>
<td>
<p>Notifies a search encountered a collision.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_erase_search_end
()
</pre>
</td>
<td>
<p>Notifies a search ended.</p>
</td>
</tr>
</table>
<h3><a name="link9" id="link9">Content change
notifications.</a></h3>
<p>Notifications called when the content of the table changes
in a way that can affect the resize policy.</p>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_inserted
(<a href="#size_type55424436"><tt>size_type</tt></a> num_e)
</pre>
</td>
<td>
<p>Notifies an element was inserted.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>void</b>
notify_erased
(<a href="#size_type55424436"><tt>size_type</tt></a> num_e)
</pre>
</td>
<td>
<p>Notifies an element was erased.</p>
</td>
</tr>
<tr>
<td>
<pre>
<b>void</b>
notify_cleared
()
</pre>
</td>
<td>
<p>Notifies the table was cleared.</p>
</td>
</tr>
</table>
<h3><a name="link10" id="link10">Size change
notifications.</a></h3>
<p>Notifications called when the table changes size.</p>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<b>void</b>
notify_resized
(<a href="#size_type55424436"><tt>size_type</tt></a> new_size)
</pre>
</td>
<td>
<p>Notifies the table was resized to <span class=
"c1"><tt>new_size</tt></span>.</p>
</td>
</tr>
</table>
<h3><a name="link11" id="link11">Queries.</a></h3>
<p>Called to query whether/how to resize.</p>
<table class="c1" width="100%" border="1" summary="Methods">
<tr>
<td width="45%" align="left"><b>Method</b></td>
<td width="55%" align="left"><b>Description</b></td>
</tr>
<tr>
<td>
<pre>
<b>inline</b> <b>bool</b>
is_resize_needed
() <b>const</b>
</pre>
</td>
<td>
<p>Queries whether a resize is needed.</p>
</td>
</tr>
<tr>
<td>
<pre>
<a href="#size_type55424436"><tt>size_type</tt></a>
get_new_size
(<a href="#size_type55424436"><tt>size_type</tt></a> size,
<a href=
"#size_type55424436"><tt>size_type</tt></a> num_used_e) <b>const</b>
</pre>
</td>
<td>
<p>Queries what the new <span class=
"c1"><tt>size</tt></span> should be.</p>
</td>
</tr>
</table>
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