alues.</p></div></div><div class="field "><a name="sum"></a><h3><p><code><span class="label">static</span><a href="#sum"><span class="identifier">sum</span></a> (<span style="white-space:nowrap">arr:<a class="type" title="" href="../thx/ReadonlyArray.html">ReadonlyArray</a>&lt;<span class="type">Float</span>&gt;</span>):<span class="type">Null</span>&lt;<span class="type">Float</span>&gt;</code></p></h3><div class="doc"><p>Finds the sum of all the elements in the array.</p></div></div></div></div></div></di