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iOS Swift Functions and Optionals Functions Function Return Types

sina rahmaniyehaneh
sina rahmaniyehaneh
Courses Plus Student 1,250 Points

what is the problem?

func greeting(person: String) ->String { return person }

println("Hello (greeting(Tom))")

func greeting(person: String) -> String {
     return person

println("Hello   " + greeting("Fred"))

2 Answers

You must eliminate the println statement and replace it with a return statement using string interpolation.

func greeting(person: String) -> String {
    return "Hello \(person)"