如何在swift中

Question

我想声明一个类型为closure的局部变量，我该怎么办？

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}