Preface
Since its surprise debut at WWDC in June 2014, Swift has rapidly redefined how we build software, combining safety, speed, and a clear, concise syntax to power everything from iOS, macOS, watchOS, and tvOS apps to server-side services on Linux and, since September 2020, native Windows development. Born from Chris Lattner’s vision of a modern successor to Objective-C, Swift’s modern features, such as optionals, generics, and closures, combined with its powerful type inference system, have made code more expressive, reliable, and enjoyable to write. While Apple’s decision to open-source the language in 2015 and stabilize its ABI in Swift 5 has created a vibrant community around swift.org. In this book, we’ll explore some of Swift’s most ...
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