ass="mendoza-code">loop</code> macro using the
<code class="mendoza-code">:pairs</code> or <code class="mendoza-code">:keys</code> verbs.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">loop</span> [[<span class="mdzsyn-symbol">letter</span> <span class="mdzsyn-symbol">word</span>] <span class="mdzsyn-keyword">:pairs</span> <span class="mdzsyn-symbol">alphabook</span>]
  (<span class="mdzsyn-coresym">print</span> <span class="mdzsyn-symbol">letter</span> <span c