t_ub"><a href="#val-int_ub" class="anchor"></a><code><span class="keyword">val</span> int_ub : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span><a href="../../BO/Ints/NonNegativeInt/index.html#type-t">BO.Ints.NonNegativeInt.t</a> option</span></code></dt><dt class="spec value" id="val-classify"><a href="#val-classify" class="anchor"></a><code><span class="keyword">val</span> classify : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span><span>(<a href="../../BO/Ints/NonNegativeInt/i