n><span>int array</span> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-pack_elt"><a href="#val-pack_elt" class="anchor"></a><code><span><span class="keyword">val</span> pack_elt : <span><a href="A/index.html#type-elt">A.elt</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-unpack_elt"><a h