Function DiscardAllFromAsyncGenerator

cpp/src/arrow/util/async_generator.h:120–123

/// \brief Wait for an async generator to complete, discarding results.
template <typename T>
Future<> DiscardAllFromAsyncGenerator(AsyncGenerator<T> generator) {
  std::function<Status(T)> visitor = [](const T&) { return Status::OK(); };
  return VisitAsyncGenerator(generator, visitor);
}

/// \brief Collect the results of an async generator into a vector
template <typename T>