Method MakeGenerator

cpp/src/arrow/json/reader_test.cc:484–487

  }

  AsyncGenerator<std::shared_ptr<RecordBatch>> MakeGenerator(
      std::shared_ptr<StreamingReader> reader) {
    return [reader = std::move(reader)] { return reader->ReadNextAsync(); };
  }
  template <typename... Args>
  Result<AsyncGenerator<std::shared_ptr<RecordBatch>>> MakeGenerator(Args&&... args) {
    ARROW_ASSIGN_OR_RAISE(auto reader, MakeReader(std::forward<Args>(args)...));