rependRow</span></a> (<span style="white-space:nowrap">input:<span class="type">Array</span>&lt;<span class="type">T</span>&gt;</span>):<a class="type" title="A two-dimensional array based on a rectangular sequential array Example: var o = new polygonal." href="../../polygonal/ds/Array2.html">Array2</a>&lt;<span class="type">T</span>&gt;</code></h3><div class="doc"><p>Prepends the elements of the <code>input</code> array in the range &#91;0, <code>this.<a href="#cols">cols</a></code>&#93; by adding a new ro