Function num_rows_max

cpp/src/arrow/compute/light_array_internal.h:417–417

  int num_rows() const { return values_.empty() ? 0 : values_[0].num_rows(); }

  static constexpr int num_rows_max() { return 1 << kLogNumRows; }

 private:
  static constexpr int kLogNumRows = 15;