Method has_assigned_device_name

tensorflow/core/graph/graph.h:119–121

  const string& assigned_device_name() const;
  void set_assigned_device_name(const string& device_name);
  bool has_assigned_device_name() const {
    return assigned_device_name_index_ > 0;
  }
  int assigned_device_name_index() const { return assigned_device_name_index_; }
  void set_assigned_device_name_index(int index);