-signature">
      <span class="returntype"><a href="dart-core/int-class.html">int</a></span>
            <span class="name ">operator []</span>
(<wbr><span class="parameter" id="[]-param-index"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">index</span></span>)
      <div class="features">inherited</div>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language