="index.html#type-t">t</a> <span>&#45;&gt;</span> float</code></dt><dd><p>measure</p></dd></dl><dl><dt class="spec value" id="val-score"><a href="#val-score" class="anchor"></a><code><span class="keyword">val</span> score : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> float</code></dt></dl><section><header><h2 id="set-theoretic"><a href="#set-theoretic" class="anchor"></a>SET-THEORETIC</h2></header><dl><dt class="spec value" id="val-join"><a href="#val-join" class="anchor"></a><code><span class=