Functional Programming Comes to the Macintosh – Introducing Swift

Read it with a little grain of salt. Author seems to be clueless about C# (one of the sources of inspiration for Swift):

"I don’t think of C# as mainstream. It’s probably to do with the kind of thing that I do for a living; but a proprietary language that only works on Windows, which is a platform that I have zero access to."

Mono, Unity3d, Xamarin etc.