elem_adjacent_range elem_left_range elem_overleft_range elem_overright_range elem_right_range intrange_canonical lower_datum lower_inc range_adjacent_elem range_bounds range_left_elem range_make range_overleft_elem range_overright_elem range_right_elem range_to_string rangearr_normalize upper_datum upper_inc

lower_datum() Datum lower_datum ( const RangeType *  range ) Returns the string representation of the range value, used for debugging. Returns the lower bound of the range value