ss="mdzsyn-number">4</span>))
<span class="mdzsyn-symbol">arr</span> <span class="mdzsyn-comment"># -&gt; @[]</span>
(<span class="mdzsyn-coresym">put</span> <span class="mdzsyn-symbol">arr</span> <span class="mdzsyn-number">0</span> <span class="mdzsyn-keyword">:one</span>)
(<span class="mdzsyn-coresym">put</span> <span class="mdzsyn-symbol">arr</span> <span class="mdzsyn-number">1</span> <span class="mdzsyn-keyword">:two</span>)
(<span class="mdzsyn-coresym">put</span> <span class="mdzsyn-symbol">arr</spa