Function IsDequeue

tensorflow/core/grappler/costs/graph_properties.cc:275–278

}

bool IsDequeue(const NodeDef& n) {
  return (n.op().find("Dequeue") != string::npos &&
          n.op().find("DequeueMany") == string::npos);
}

bool HasAnyUnknownDimensions(const TensorShapeProto& proto) {
  if (proto.unknown_rank()) {