Delay Utility for GCD in Swift 3

Delay.swift

//
//  Delay.swift
//  Delay Utility for GCD in Swift 3
//
//  Created by Mark Hamilton on 6/21/16.
//  Copyright © 2016 dryverless. All rights reserved.
//

/*
 
 example:
 
 delay(2) {
 // do after 2 seconds
 }
 
 */

public func delay(_ delay: Double, closure:(() -> Void)) {
    
    // var dispatchTime: DispatchTime = DispatchTime.now() + Double(Int64(delay * Double(NSEC_PER_SEC))) / Double(NSEC_PER_SEC)
    // DispatchQueue.main.after(when: dispatchTime, execute: closure)
    DispatchQueue.main.after(when: .now() + delay, execute: closure)
    
}