/span>):<span class="type">Int</span></code></h3><div class="doc"><p>Returns the index of the first occurrence of <code>val</code> or returns -1 if <code>val</code> does not exist.</p>
<p>The index is in the range &#91;0, <code>this.<a href="#size">size</a></code> - 1&#93;.</p></div></div><div class="field "><a name="indexToCell"></a><h3 class="anchor"><code><span class="label label-inline">inline</span><a href="#indexToCell"><span class="identifier">indexToCell</span></a> (<span style="white-space:nowrap">