Class NodeOrderLess

tensorflow/core/grappler/graph_analyzer/sig_node.h:196–200

  // Ordering by node order and highest available hash (it must be
  // previously computed).
  struct NodeOrderLess {
    bool operator()(const SigNode* left, const SigNode* right) {
      return left->topo_hash_.back() < right->topo_hash_.back();
    }
  };

 private:
  const NodeDef* node_;