说明：  Swift 是供iOS 和OS X 应用编程的新编程语言，基于C 和Objective-C， 而却没有C 的一些兼容约束。Swift 采用了安全的编程模式和添加现代 的功能来是的编程更加简单、灵活和有趣。界面则基于广受人民群众爱 戴的Cocoa 和Cocoa Touch 框架，展示了软件开发的新方向。
(Swift is available for iOS and OS X application programming new programming language based on C and Objective-C, And some did not C compatible constraints. Swift uses a secure programming model and adding modern The function is programmed to be more simple, flexible and fun. Interface is based on the widely loved by the masses Cocoa and Cocoa Touch wearing framework, demonstrated the new direction of software development.)