" href="../../polygonal/ds/Array2.html">Array2</a>&lt;<span class="type">T</span>&gt;</code></h3><div class="doc"><p>Copies all elements from the nested two-dimensional array <code>input</code> into this two-dimensional array by reference.</p></div></div><div class="field "><a name="prependCol"></a><h3 class="anchor"><code><a href="#prependCol"><span class="identifier">prependCol</span></a> (<span style="white-space:nowrap">input:<span class="type">Array</span>&lt;<span class="type">T</span>&gt;</span>):<a 