 result is unspecified.</p></div></div><div class="field "><a name="indexOf"></a><h3 class="anchor"><code><a href="#indexOf"><span class="identifier">indexOf</span></a>(<span style="white-space:nowrap">x:<span class="type">T</span>,</span> <span style="white-space:nowrap">?fromIndex:<a class="type" title="Int - The standard Int type." href="./Int.html">Int</a></span>):<a class="type" title="Int - The standard Int type." href="./Int.html">Int</a></code></h3><div class="doc"><p>Returns position of the first o