ion>
        
                <section class="desc markdown">
          <p>Returns the number of elements in <a href="dart-collection/LinkedList-class.html">this</a>.</p>
<p>Counting all elements may involve iterating through all elements and can
therefore be slow.
Some iterables have a more efficient way to find the number of elements.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart">