Swift3 trigger method after delay

afterDelay.swift

// I always forget how to write this stupid thing
// now I just have to remember I put it here

/// This function calls a closure after a delay.
/// Use it when you want to wait for a certain amount of
/// time before letting an action run
///
/// - Parameters:
///  - delay: seconds you want to wait
///  - closure: the function you want to run after the delay
func after(delay:Double, closure:@escaping ()->()) {
    DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
        closure()
    }
}

// used like this:
/*
after(delay: 10.0) {
    // do something
}
*/