graph"><a href="#val-invalidate_graph" class="anchor"></a><code><span><span class="keyword">val</span> invalidate_graph : <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> unit</span></code></div><div class="spec-doc"><p>iteratively invalidate the nodes in a graph</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-is_freeze"><