S1U/ElapsedTime.swift

## ElapsedTime.swift
// http://stackoverflow.com/questions/24755558/measure-elapsed-time-in-swift

let begin = NSDate()
print(begin)

let elapsedTime = timeIntervalSinceDate(begin)

let elapsedTime2 = begin.timeIntervalSinceNow
	// http://stackoverflow.com/questions/24755558/measure-elapsed-time-in-swift

	let begin = NSDate()
	print(begin)

	let elapsedTime = timeIntervalSinceDate(begin)

	let elapsedTime2 = begin.timeIntervalSinceNow