Swift基础教程(极客学院)笔记

func cal(a:Int,b:Int)->(Int,Int){

    return(a+b,a-b)

}

let (m,n)=cal(3,1)
println(m)

 1 import Foundation
 2 
 3 class hi{
 4 
 5     func sayhi(){
 6 
 7         println("Hi Jack")
 8 
 9     }
10 
11 }
12 
13 var x=hi()
14 
15 x.sayhi()
16 
17 class hello:hi{
18 
19     var _name: String
20 
21     init(name:String){
22 
23         self._name=name
24 
25     }
26 
27     override func sayhi() {
28 
29         println("Hello \(self._name)")
30 
31     }
32 
33 }
34 
35 var y=hello(name : "Mike")
36 
37 y.sayhi()