5;&gt;</span></span> <span><span><a href="#type-t">t</a> <span class="xref-unresolved">Stdlib</span>.ref</span> <span class="arrow">&#45;&gt;</span></span> <span><span><span>(<a href="#type-t">t</a> * <a href="#type-t">t</a>)</span> list</span> <span class="arrow">&#45;&gt;</span></span> <span><span>(<a href="#type-t">t</a> * <a href="#type-t">t</a>)</span> list</span></span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-register"><a href="#type-register" class="anchor"><