ondestructively</strong>.</p>

<p><strong>Complexity:</strong> O(N).</p>

    <h4>Declaration</h4>    
    <code class="language-swift">func underestimateCount() -&gt; Int</code>
    
        <h4>Declared In</h4>
        <a href="../../protocol/SequenceType/"><code>SequenceType</code></a>    
</div></div>
</div>


