NSFontAttributeName vs NSAttributedStringKey.font

Question

I am having some trouble with Swift code in a library I have been using for a while. It seems related to some kind of version conflict, but I am not sure.

Here is the co

Answer 1

Swift 4.2

NSAttributedStringKey renamed NSAttributedString.Key. However for this particular issue you need to get the raw value so the solution would be NSAttributedString.Key.font.rawValue

Take a look here for an in-depth explanation: https://stackoverflow.com/a/46459315/2440997

Answer 2

The projects are probably in different versions of Swift.

In Swift 4, NSFontAttributeName has been replaced with NSAttributedStringKey.font.

In Swift 5, NSFontAttributeName has been replaced with NSAttributedString.Key.font.