/a></code> currently flagged as existing.</p></div></div></div><div class="field "><a name="getFirstNull"></a><h3 class="anchor"><code><a href="#getFirstNull"><span class="identifier">getFirstNull</span></a>():<a class="type" title="Int - The standard Int type." href="./Int.html">Int</a></code></h3><div class="doc"><p>Call this function to retrieve the first index set to <code>null</code>.
Returns <code>-1</code> if no index stores a <code>null</code> object.</p><p class="javadoc">Returns:</p><div class="in