Age calculator in iOS swift

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 Solution:

        let gregorian = NSCalendar(calendarIdentifier: NSCalendar.Identifier.gregorian)!

        let age = gregorian.components([.year], from: datePicker.date, to: currentDate as Date, options: [])

        

        print(age.year)


You can print the age based on the date picked in date picker using the above method.

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