Method logical_position

cpp/src/arrow/util/ree_util.h:484–484

\brief Return the initial logical position of the run If is_end(), this is the same as length().

  ///
  /// If is_end(), this is the same as length().
  int64_t logical_position() const { return logical_pos_; }

  /// \brief Whether the iterator is at logical position 0.
  bool is_begin() const { return logical_pos_ == 0; }