an><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> string</span></code></div><div class="spec-doc"><p>Return a description of the node</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get_distance_to_exit"><a href="#val-get_distance_to_exit" class="anchor"></a><code><span><span class="keyword">val</span> get_distance_to_exit : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <span>int option</span></span></code></div><div class="spec