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 Build a Simple iPhone App with Swift Creating a Data Model Finishing Up Our Model

Andrés Leal
Andrés Leal
9,563 Points
Posted by Andrés Leal
Andrés Leal
9,563 Points

Playground not showing result

Code:

var randomNumber = arc4random_uniform(10)

And there is no result in the playground? any ideas why?

Dave Faliskie
Dave Faliskie
17,793 Points
Dave Faliskie
Dave Faliskie
17,793 Points

That should work. did you maybe delete the "import UIKit"? Because you need that line.

Johnathan white
Johnathan white
5,213 Points
Johnathan white
Johnathan white
5,213 Points

I had the same issue. Try Import Foundation. Once i did that it populated Arc4random.