It’s designed for Cocoa and Cocoa Touch, but it can be used to write applications that run on any platform that supports Objective-C.

I’d like to tell you about some of the things we did in order to make Swift fast, safe, modern, expressive and powerful. There are many more details than what I’ll cover here; this is just an overview of some of our most important design decisions. If you’re interested in learning more about how we made Swift great (and maybe even contributing), check out swift.org or come hang out with us at irc://irc.swift-lang
https://t.co/6xcIDSHUbC