Method Task

cpp/src/arrow/testing/gtest_util.cc:1101–1105

  }

  std::function<void()> Task() {
    num_launched_++;
    auto self = shared_from_this();
    return [self] { self->RunTask(); };
  }

  Future<> AsyncTask() {
    std::lock_guard<std::mutex> lk(mx_);