어흥

1. 함수를 매개변수로 사용 //----Function as a param //#1 func add(_ a: Int, _ b: Int)->Int{ return a+b } func subtract(_ a: Int, _ b: Int)->Int{ return a-b } var function = add print(function(4,2)) //6 function = subtract print(function(4,2)) //2 //#2 func printResult(_ function:(Int, Int) -> Int, _ a: Int, _ b: Int){ let result = function(a,b) print(result) } printResult(add, 10, 5) //15 printResult(subt..