dt class="spec type" id="type-bound"><a href="#type-bound" class="anchor"></a><code><span class="keyword">type</span> bound</code><code> = <a href="argument-1-B/index.html#type-t">B.t</a></code></dt><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> t</code><code> = <a href="index.html#type-bound">bound</a> * <a href="index.html#type-bound">bound</a></code></dt></dl><dl><dt class="spec value" id="val-validate"><a href="#val-validate" class="anchor"