Method SimpleExecutor

cpp/src/arrow/util/future_test.cc:109–114

class SimpleExecutor {
 public:
  explicit SimpleExecutor(int nfutures)
      : pool_(ThreadPool::Make(/*threads=*/4).ValueOrDie()) {
    for (int i = 0; i < nfutures; ++i) {
      futures_.push_back(Future<T>::Make());
    }
  }

  std::vector<Future<T>>& futures() { return futures_; }