ed" id="val-add_node_to_block"><a href="#val-add_node_to_block" class="anchor"></a><code><span><span class="keyword">val</span> add_node_to_block : 
  <span><span><a href="Shape/Type/index.html#type-attr">Shape.Type.attr</a> <a href="../../../../../../../Owl_graph/index.html#type-node">Owl_graph.node</a></span> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="Shape/Type/index.html#type-block">Shape.Type.block</a> <span class="arrow">&#45;&gt;</span></span>
  unit</span></code></div><div class="s