;&gt;</span> unit)</span> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> unit</code></dt><dt class="spec value" id="val-depth"><a href="#val-depth" class="anchor"></a><code><span class="keyword">val</span> depth : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> int</code></dt><dt class="spec value" id="val-pp_node"><a href="#val-pp_node" class="anchor"></a><code><span class="keyword">val</span> pp_node : Stdlib.Format.formatter <span>&#45;&gt;</span> <a href="index.