jackywang135

import UIKit

typealias UIButtonTargetClosure = UIButton -> ()

class ClosureWrapper: NSObject {
    let closure: UIButtonTargetClosure
    init(_ closure: UIButtonTargetClosure) {
        self.closure = closure
    }
}

jackywang135

public func delay(delay: NSTimeInterval, closure:() -> ()) {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue(), closure)
}