Method LookupNode

tensorflow/lite/delegates/gpu/common/model.h:417–427

@return non-nullptr NodeDef that has valid Node or an error

  // @return non-nullptr NodeDef that has valid Node or an error
  Status LookupNode(NodeId id, NodeDef** node_def) {
    if (id >= nodes_.size()) {
      return OutOfRangeError("NodeId is out of range");
    }
    auto& n = nodes_[id];
    if (!n.node) {
      return OutOfRangeError("Node is already deleted");
    }
    *node_def = &n;
    return OkStatus();
  }

  // @return non-nullptr ValueDef that has valid Value or an error
  Status LookupValue(ValueId id, ValueDef** value_def) {