Adding days to NSDate

Question

I want add days to a date, I got many codes for this but none of them are working for me below shown is my code,please somebody help me to fix this issue

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Answer 1

in Swift 2.1.X and xcode 7.1 OSX 10.10.5 ,you can add any number of days forward and backwards using function

func addDaystoGivenDate(baseDate:NSDate,NumberOfDaysToAdd:Int)->NSDate
{
    let dateComponents = NSDateComponents()
    let CurrentCalendar = NSCalendar.currentCalendar()
    let CalendarOption = NSCalendarOptions()

    dateComponents.day = NumberOfDaysToAdd

    let newDate = CurrentCalendar.dateByAddingComponents(dateComponents, toDate: baseDate, options: CalendarOption)
    return newDate!
}

function call for incrementing current date by 9 days

var newDate = addDaystoGivenDate(NSDate(), NumberOfDaysToAdd: 9)
print(newDate)

function call for decrement current date by 80 days

newDate = addDaystoGivenDate(NSDate(), NumberOfDaysToAdd: -80)
print(newDate)