//

// SDDateHelper.swift

// Pods

//

// Created by Ngoc Duong Phan on 9/22/17.

//

//

import Foundation

import NTPKit

extension Int {

public var seconds: DateComponents {

}

public var second: DateComponents {

return self.seconds

}

public var minutes: DateComponents {

}

public var minute: DateComponents {

return self.minute

}

public var hours: DateComponents {

}

public var hour: DateComponents {

return self.hours

}

public var days: DateComponents {

}

public var day: DateComponents {

return self.days

}

public var weeks: DateComponents {

}

public var week: DateComponents {

return self.weeks

}

public var months: DateComponents {

}

public var month: DateComponents {

return self.months

}

public var quarters: DateComponents {

}

public var quarter: DateComponents {

return quarters

}

public var years: DateComponents {

}

public var year: DateComponents {

return self.years

}

prefix func -(components: DateComponents) -> DateComponents {

var result = DateComponents()

let undefined = Int(NSDateComponentUndefined)

if let compsSecond = components.second, compsSecond != undefined {

result.second = -compsSecond

}

if let compsMinute = components.minute, compsMinute != undefined {

result.minute = -compsMinute

}

if let compsHour = components.hour, compsHour != undefined {

result.hour = -compsHour

}

if let compsDay = components.day, compsDay != undefined {

result.day = -compsDay

}

if let compsMonth = components.month, compsMonth != undefined {

result.month = -compsMonth

}

if let compsYear = components.year, compsYear != undefined {

result.year = -compsYear

}

return result

public func +(lhs: Date, rhs: DateComponents) -> Date {

return Calendar.current.date(byAdding: rhs, to: lhs)!

public func +(lhs: DateComponents, rhs: Date) -> Date {

return rhs + lhs

public func -(lhs: Date, rhs: DateComponents) -> Date {

return lhs + (-rhs)