Return Statement with Functions in iOS

Hi Darin,

Let's break this down.

You start with this code:

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

And this task:

Modify the definition of the function named greeting to return a String and replace the println statement with a return statement.

So, you've been given a function that takes one parameter that then prints something to the screen. The challenge wants you to return the output rather than print it out.

First, you have to stipulate that the function returns something. You've correctly identified that it needs the arrow thingy to show that. However, all you are returning is the result of "Hello \(person)" which is a String.

So, the func starts with func greeting(person: String) -> String{}.

The function still takes a String parameter as before, but now returns a String too, due to the arrow thingy. I'm sure it has a complicated name, but like arrow thingy.

Within the function, you need to change the println so that the func returns the String result, rather than prints it.

The end result will look like:

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

I hope that makes sense!

Steve.