Method AppendReal

cpp/src/arrow/util/task_group.cc:43–52

  explicit SerialTaskGroup(StopToken stop_token) : stop_token_(std::move(stop_token)) {}

  void AppendReal(FnOnce<Status()> task) override {
    DCHECK(!finished_);
    if (stop_token_.IsStopRequested()) {
      status_ &= stop_token_.Poll();
      return;
    }
    if (status_.ok()) {
      status_ &= std::move(task)();
    }
  }

  Status current_status() override { return status_; }