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iOS Swift Closures Functions as First Class Citizens Higher Order Functions

Posted by Antonija Pek
Antonija Pek
5,819 Points

Syntax confusion

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

differenceBetweenNumbers has two parameters, a and b. Why is Int, which is I guess return type, in parentheses?

1 Answer

Deepak Bharanikana
Deepak Bharanikana
7,629 Points
Deepak Bharanikana
Deepak Bharanikana
7,629 Points

Yeah it's a return type of value you wish to send back to the place where you called differenceBetweenNumbers func