It's really going crazy, this single simple line doesn't compile, why?
I'm using Xcode Version 8.1 (8B62)
Here's the api reference for String(format: String, _ arguments: CVarArg...)
It's really going crazy, this single simple line doesn't compile, why?
I'm using Xcode Version 8.1 (8B62)
Here's the api reference for String(format: String, _ arguments: CVarArg...)
Add import Foundation
to the top of your playground.
This will import the Foundation Framework and will allow you to use its API.
It's really embarrassing to find that String(format: String, _ arguments: CVarArg...)
is part of Foundation
and not an default constructor....
The solution is that put import Foundation
on the top of the playground