e an element from the end of the array. Returns the element, or nil
if the array is empty.
</p>
<pre class="mendoza-codeblock"><code data-language="c"><span class="mdzsyn-identifier">JANET_API</span> <span class="mdzsyn-identifier">Janet</span> <span class="mdzsyn-identifier">janet_array_peek</span><span class="mdzsyn-operator">(</span><span class="mdzsyn-identifier">JanetArray</span> <span class="mdzsyn-operator">*</span><span class="mdzsyn-identifier">array</span><span class="mdzsyn-operator">)</span><spa