</span> <a href="argument-1-S/index.html#type-t">S.t</a></span></code></dt><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> <span>('a, 'x) t</span></code><code> = <span class="arg"><span><span class="type-var">'x</span> <a href="index.html#type-state">state</a></span> <span>&#45;&gt;</span> </span><span class="type-var">'a</span> * <span><span class="type-var">'x</span> <a href="index.html#type-state">state</a></span></code></dt></dl><div><div cl