http://00red.com/                                             一葉博客

https://github.com/Tim9Liu9/TimLiu-iOS       

https://github.com/apple/swift

https://github.com/SwiftCarlos/Swift              

https://github.com/numbbbbb/the-swift-PRogramming-language-in-chinese

https://github.com/ipader/SwiftGuide

https://github.com/raywenderlich/swift-style-guide

https://developer.apple.com/reference/uikit/