GrandCentralSugar.Swift

import Foundation

/**
Executes the closure on the main queue after a set amount of seconds.

- parameter delay:   Delay in seconds
- parameter closure: Code to execute after delay
*/
func delayOnMainQueue(delay: Double, closure: ()->()) {
	dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue(), closure)
}

/**
Executes the closure on a background queue after a set amount of seconds.

- parameter delay:   Delay in seconds
- parameter closure: Code to execute after delay
*/
func delayOnBackgroundQueue(delay: Double, closure: ()->()) {
	dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_global_queue(QOS_CLASS_UTILITY, 0), closure)
}