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iOS Swift Functions and Optionals Functions Syntax and Parameters

becky hayes
becky hayes
2,226 Points
Posted by becky hayes
becky hayes
2,226 Points

Not sure why my code isnt working!

func greeting(Person: String) { let Person = tom println("Hello (Person)")

} greeting

parameters.swift 
func greeting(Person: String) {
let Person = tom 
    println("Hello \(Person)")

}
greeting

1 Answer

Michael Reining
Michael Reining
10,101 Points
Michael Reining
Michael Reining
10,101 Points

Hi Becky,

You are close.

  1. parameter names should always use camelCase.
    So go with person not Person.

  2. When you call a function with the string tom it looks like this.

func greeting(person: String) {
    println("Hello \(person)")

}
greeting("Tom")

I hope that helps,

Mike

PS: Thanks to the awesome resources on Team Treehouse, I launched my first app.

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