Method begin

cpp/src/arrow/util/ree_util.h:387–387

\brief Create an iterator representing the logical begin of the run-end encoded array

  /// \brief Create an iterator representing the logical begin of the run-end
  /// encoded array
  Iterator begin() const { return iterator(0, PhysicalIndex(0)); }

  /// \brief Create an iterator representing the first invalid logical position
  /// of the run-end encoded array