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iOS Swift Functions and Optionals Functions Syntax and Parameters

Aditya Sanghi
Aditya Sanghi
8,044 Points

func greeting(person : String) { println("Hello \(greeting)") } greeting(Tom) how to display hello tom?

i am trying to display "Hello Tom" but my code is not working

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

1 Answer

You have to call the function with: