What is Swift?
Swift is a modern programming language that is fast, safe and interactive.Swift is a powerful and intuitive programming language for iOS, OS X, tvOS, and watchOS. Writing Swift code is interactive and fun, the syntax is concise yet expressive, and apps run lightning-fast. Swift is ready for your next project — or addition into your current app — because Swift code works side-by-side with Objective-C.
Swift is open-source-Swift is developed in the open at Swift.org, with source code, a bug tr