Calendar API для iOS swift

Question

Я ищу API, который возвращает даты с сегодняшнего дня до года с сегодняшнего дня, я уверен, что их много, но я не могу найти их для iOS swift. какие-либо предложения?

Answer 1

extension NSDate { 
    func xYears(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitYear,  value: x, toDate: self, options: nil)! } 
    func xQuarters(x:Int) -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitQuarter,  value: x, toDate: self, options: nil)! } 
    func xMonths(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitMonth,  value: x, toDate: self, options: nil)! } 
    func xWeeks(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitWeekOfYear, value: x, toDate: self, options: nil)! } 
    func xDays(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitDay,   value: x, toDate: self, options: nil)! } 
    func xHours(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitHour,  value: x, toDate: self, options: nil)! } 
    func xMinutes(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitMinute,  value: x, toDate: self, options: nil)! } 
    func xSeconds(x:Int)  -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitSecond,  value: x, toDate: self, options: nil)! } 
    func xNanoseconds(x:Int) -> NSDate { return NSCalendar.currentCalendar().dateByAddingUnit(.CalendarUnitNanosecond, value: x, toDate: self, options: nil)! } 
} 

NSDate().xYears(2) // "Jan 5, 2017, 8:03 PM" 
NSDate().xMonths(2) // "Mar 5, 2015, 8:03 PM" 
NSDate().xDays(2) // "Jan 7, 2015, 8:03 PM"