let deepThought = {(ask question: String) in
return "The answer to\"\(question)\" is \(7 * 6)!"}
deepThought(ask: "how old are you")
Adding closures to an Array
let sum = {(a:Int, b:Int) -> Int in return a + b}
let sumf = {(a:Float, b:Float) -> Float in return a + b}
let closures = [sum, sumf]
func foo(x:Int) -> Int{
return 42 + x
}
let bar = {(x: Int) -> Int
in
42 + x
}
func curly(n:Int) -> Int{
return n * n
}
func larry(x: Int) -> Int{
return x * (x + 1)
}
func moe(m: Int) -> Int{
return m * (m - 1) * (m - 2)
}
var stooges = [curly, larry, moe]
stooges.append(bar)
for stooge in stooges{
stooge(42)
}
func baz(x:Int)->Double{
return Double(x) / 42
}
type Alias
//: Typealias typealias Integer = Int let z: Integer = 42 let zz: Int = 42 // (Int)->Int typealias IntToInt = (Int)->Int typealias IntMaker = (Void)->Int
