Function CheckFaninIsValid

tensorflow/core/grappler/mutable_graph_view.cc:278–284

}

Status CheckFaninIsValid(const TensorId& fanin, ErrorHandler handler) {
  if (!IsTensorIdPortValid(fanin)) {
    return handler(absl::Substitute("fanin '$0' must be a valid tensor id",
                                    fanin.ToString()));
  }
  return Status::OK();
}

Status CheckAddingFaninToSelf(absl::string_view node_name,
                              const TensorId& fanin, ErrorHandler handler) {