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iOS Swift Functions and Optionals Functions Function Return Types


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

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

1 Answer

Brendan Whiting
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Brendan Whiting
Front End Web Development Techdegree Graduate 84,735 Points

They want you to use string interpolation inside the greeting function, and to build it so that it doesn't just send the person variable straight back, but constructs a greeting out of that person variable.

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