如何聲明一個快速關閉的局部變量

Question

我想聲明一個封閉類型的局部變量，我該怎么做？

Answer 1

var myClosure: (myParamaterTypes) -> myReturnTypes

例如：

var myClosure: (Int, Int) -> Int  // type is (Int, Int) -> Int
myClosure = {(integer01: Int, integer02: Int) -> Int in return integer01 + integer02}