lass="mdzsyn-number">10</span>] <span class="mdzsyn-keyword">:when</span> (<span class="mdzsyn-coresym">even?</span> <span class="mdzsyn-symbol">i</span>)] (<span class="mdzsyn-coresym">+=</span> <span class="mdzsyn-coresym">sum</span> <span class="mdzsyn-symbol">i</span>))
(<span class="mdzsyn-coresym">print</span> <span class="mdzsyn-coresym">sum</span>) <span class="mdzsyn-comment"># prints 20</span></code></pre><p>The <code class="mendoza-code">loop</code> macro has several verbs (<code class="mendoza-c