1. About Swift

About Swift
Swift is a new programming language for iOS and OS X applications, built on the best of C and objective-c, without the limitations of C compatibility. Swift employs a safe mode design and adds modern features that make programming simpler, more flexible, and more fun. Swift and previous written off, supported by the mature and favored cocoa and cocoa touch frameworks, are an opportunity to rethink software development efforts.

Swift has been in production for years. Apple has laid the foundation for Swift by advancing the infrastructure of existing compilers, debuggers and frameworks. We use automatic reference counting (ARC) to simplify memory management. Our framework stack, built on a solid foundation of cocoa, has been modernized and standardized throughout. The objective-c itself has evolved to support blocks, set iterations, and modules, enabling the framework to adopt modern language technology without interruption. Thanks to this foundation, we can now introduce a new language for future Apple software development.

For objective-c developers, Swift feels familiar. It takes the readability of named parameters in Objective-c and the ability to objective-c dynamic object models. It provides seamless access to the existing cocoa framework and simultaneously mixes and matches the interactivity with the OBJECTIVE-C code. Based on this commonality, Swift introduces many new features and object-oriented parts of the unified programming language.

Swift is friendly to novice programmers. It is the first industrial quality system programming language, as an expressive and enjoyable scripting language. It supports playgrounds, an innovative feature that allows programmers to try swift code and immediately see results without the overhead of building and running an application.

Swift combines the best of modern language thinking with the wisdom of an extensive Apple engineer culture. Optimized for the performance of the compiler, optimized for language development. Its design comes from "Hello, the World" extended to the entire operating system. All this has made Swift's developers and Apple a sound future investment.

Using Swift to write iOS and OS X applications is a good way, and will continue to develop new features and functionality. Our goal of Swift is ambitious. We can't wait to see what you're creating with it.

1. About Swift