Closures

Simple Closure

var myClosure = {

    () -> Void in

    println("My Closure")

}

myClosure()

//Console output:

My Closure

Closure with parameters

var myClosure2Times = {

    (myNum: Int) -> Int in

    return myNum * 2

}

println("2 * 10 = \(myClosure2Times(10))")

//Console output:

2 * 10 = 20