ode> function.
<code class="mendoza-code">in</code> will require an index within bounds and will throw an error
otherwise. <code class="mendoza-code">get</code> requires an index and an optional default value. If the
index is out of bounds it will return <code class="mendoza-code">nil</code> or the given default value.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">arr</span> @[<span class="mdzsyn-keyword">:a</span> <span 