g_node" class="anchor"></a><code><span><span class="keyword">val</span> of_underlying_node : <span><a href="../../../../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-pp_id"><a href="#val-pp_id" class="anchor"></a><code><span><span class="keyword">val</span> pp_id : <span><span class="xref-unresolved">Stdlib</span>.Format.formatter <span cla