Method MakeSource

cpp/src/arrow/util/async_generator_test.cc:195–202

 protected:
  AsyncGenerator<TestInt> MakeSource(const std::vector<TestInt>& items) {
    std::vector<TestInt> wrapped(items.begin(), items.end());
    auto gen = util::AsyncVectorIt(std::move(wrapped));
    if (IsSlow()) {
      return util::SlowdownABit(std::move(gen));
    }
    return gen;
  }

  AsyncGenerator<TestInt> MakeEmptySource() { return MakeSource({}); }