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correia/gist:68c75e449cdd1c4943dc

Created January 27, 2016 03:53
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gistfile1.txt
// What does this program print?
import Foundation
for (var i = 0; i < 5; i++) {
let delayTime = dispatch_time(DISPATCH_TIME_NOW, Int64(1 * Double(NSEC_PER_SEC)))
dispatch_after(delayTime, dispatch_get_main_queue()) {
print(i)
}
}
NSRunLoop.currentRunLoop().runUntilDate(NSDate(timeIntervalSinceNow: 5.0))
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