></span> <span><a href="#type-state">state</a> <span class="arrow">&#45;&gt;</span></span> bool</span></code></div><div class="spec-doc"><p><code>is_state s q</code> returns true iff <code>q</code> is a state in <code>s</code></p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-is_init_state"><a href="#val-is_init_state" class="anchor"></a><code><span><span class="keyword">val</span> is_init_state : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <span><a