s="anchor"></a><code><span><span class="keyword">type</span> t</span><span> = <span><a href="#type-attr">attr</a> <a href="../../../../../../../../Owl_graph/index.html#type-node">Owl_graph.node</a></span></span></code></div><div class="spec-doc"><p>TODO</p></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-block"><a href="#type-block" class="anchor"></a><code><span><span class="keyword">and</span> block</span><span> = </span><span>{</span></code><ol><li id="type-block.size" class="d