g>Effects</strong></span>: Inserts an object of type Key constructed with std::forward&lt;Args&gt;(args)... and returns the iterator pointing to the newly inserted element.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Logarithmic. </p>
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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span><span class="special">...</span> Args<span class="special">&gt;</span> 
  <span class="identifier">i