<p><span class="bold"><strong>Effects</strong></span>: Returns a node_ptr to the first element that is equivalent to "key" according to "comp" or "header" if that element does not exist.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Logarithmic.</p>
<p><span class="bold"><strong>Throws</strong></span>: If "comp" throws. </p>
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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> KeyTyp