//: Playground - noun: a place where people can play
import UIKit
/*
1.无参无返
*/
func addd(){
}
/*
2.无参有返
*/
func adddd()->Int{
return 0;
}
/*
3.有参无返
*/
func adddddd(one:String,two:Int){
}
/*
4.有参有返
func 函数名(参数:参数类型)->返回值类型{
returen 返回值;
}
*/
func add(one:Int,two:String)-> Int{
return 0;
}
//5.多返回值的函数
func sum(one:Int,two:String)-> (main:Int,str:String){
return (2,"2");
}
sum(one: 1, two: "1");
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