class="keyword">of</span> <span><a href="#type-state">state</a> <span class="arrow">&#45;&gt;</span></span> unit</span></code></li><li id="type-typ.None" class="def variant constructor anchored"><a href="#type-typ.None" class="anchor"></a><code><span>| </span><span><span class="constructor">None</span></span></code></li></ol></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-init_state"><a href="#val-init_state" class="anchor"></a><code><span><span class="keyword">val</span> init_st