rs in a data structure
respectively.
</p>
<p>Data structures like tables and structs can be called like functions that look
up their arguments. This allows for writing shorter code than what is possible
with <code class="mendoza-code">(get alphabook letter)</code>.
</p>
<p>We can also use the core library functions <code class="mendoza-code">keys</code> and <code class="mendoza-code">pairs</code> to get
arrays of the keys and pairs respectively of the alphabook.
</p>
<pre class="mendoza-codeblock"><code dat