Swift is a modern, compiled programming language designed by Apple for iOS, macOS, watchOS, tvOS, and beyond. It emphasizes safety, speed, and expressiveness with features like optionals, type inference, and concise syntax, while enabling interoperability with Objective-C and supporting protocol-oriented and functional programming styles. Swift delivers tight performance via LLVM-backed optimization, supports interactive experimentation with Playgrounds, and is suitable for apps, server-side development, and tooling across Apple and non-Apple platforms.

Playbooks

Swift

Modern, safe, fast language for iOS/macOS app development.

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