Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Swift Functions and Optionals Functions Function Return Types

Posted by Siddharth Setlur
Siddharth Setlur
2,523 Points

Why is this code not executing

I am working on the function return challenge for Swift and unable to find my mistake with this piece of code. thanks

Holt Hunter
Holt Hunter
4,629 Points
Holt Hunter
Holt Hunter
4,629 Points

Can you provide your code please?

2 Answers

Logan R
Logan R
22,989 Points
Logan R
Logan R
22,989 Points

You need to add -> to the end of your function start so it knows what type of variable it is returning.

func greeting(person: String) -> String {
    return "Hello \(person)"
}
Siddharth Setlur
Siddharth Setlur
2,523 Points
Siddharth Setlur
Siddharth Setlur
2,523 Points

Thanks

Logan R
Logan R
22,989 Points
Logan R
Logan R
22,989 Points

No problem! If you have any more questions, feel free to ask them on the forums.