Method num_node_ids

tensorflow/core/graph/graph.h:692–692

Returns one more than the maximum id assigned to any node.

  // Returns one more than the maximum id assigned to any node.
  int num_node_ids() const { return nodes_.size(); }

  // Returns the node associated with an id, or nullptr if no node
  // with that id (the node with that id was removed and the id has