tates (the old one is the first parameter).</p></dd></dl><dl><dt class="spec value" id="val-do_node"><a href="#val-do_node" class="anchor"></a><code><span class="keyword">val</span> do_node : <a href="../../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span><a href="index.html#type-t">t</a> list</span> * <span><a href="index.html#type-t">t</a> list</span></code></dt><dd><p>Perform a state transition on a node.</p><