 add_state : <span><span>(<a href="#type-state">state</a> * bool * bool)</span> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>add_state (q,i,f) a</code> returns the NFA obtained by adding state <code>q</code> to <code>s</code>. <code>i</code> and <code>f</code> resp. indicates whether <code>q</code> is an initial and/or an accepting state. Raises <code>!Ltsa.Inval