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iOS Swift Functions and Optionals Functions Syntax and Parameters

Don't know what is wrong with code.

I am not sure why my code is incorrect.

parameters.swift
func greeting(person: String) {
    println("Hello \(person).")
}

1 Answer

Michael Hulet
Michael Hulet
47,912 Points

It seems you didn't specify a return type for the function. If I remember correctly, the syntax is something like this:

func greeting(person: String) -> Void {
    println("Hello \(person).")
}