ss.html">int</a></span> <span class="parameter-name">initialCapacity</span></span> ])
    </section>

    <section class="desc markdown">
      <p>Create an empty queue.</p>
<p>If <code>initialCapacity</code> is given, prepare the queue for at least that many
elements.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">ListQueue([int initialCapacity])
    : _head = 0,
      _tai