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equal_range_N(const key_type &x,
size_t &nelem) const
</pre>
<p>Find equal range and number of key/data pairs in the range. </p>
<p>This function also returns the number of elements within the returned range via the out parameter nelem. </p>
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<p>The target key to find. </p>
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<p>The output parameter to take back the number of key/data pair in the returned range. </p>
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<pre class="programlisting">
equal_range_N(const key_type &x, size_t &nelem,
bool readonly=false)
</pre>
<p>Find equal range and number of key/data pairs in the range. </p>
<p>This function also returns the number of elements within the returned range via the out parameter nelem. </p>
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<p>The target key to find. </p>
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<p>The output parameter to take back the number of key/data pair in the returned range. </p>
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<h5 class="title"><a id="idp50630096"></a>readonly</h5>
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<p>Whether the returned iterator is readonly. </p>
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<p>See of db_map's searching functions group for details about iterator, function version and parameters.</p>
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