JUMP TOArrayInstance MethodschunkconcatdifferencedifferenceBydifferenceWithdropdropRightdropRightWhiledropWhilefindIndexfindLastIndexintersectionintersectionByintersectionWithsliceDateInstance MethodsisAfterisBeforetoStringtoStringPropertieserayearmonthdayminutesecondnanosecondweekdayweekdayOrdinalquarterweekOfMonthweekOfYearIntdigitsdownTofactorialisEvenisInisOddtimesupToStringdatePowered by downTodownTo(_ lowBound: Int, callback: (Int) -> Void)Invoke the callback with indexes from current int down to and including n. Parameters lowBound: The low bound to go to. callback: The block to invoke with current index. Swift3.downTo(1) { print($0) } // Print 3,2,1