Class Scanner

cpp/src/arrow/dataset/dataset.h:249–249

class ARROW_DS_EXPORT InMemoryFragment : public Fragment {
 public:
  class Scanner;
  InMemoryFragment(std::shared_ptr<Schema> schema, RecordBatchVector record_batches,
                   compute::Expression = compute::literal(true));
  explicit InMemoryFragment(RecordBatchVector record_batches,