A comprehensive reference for modern Swift language features from 5.9 through 6.3. You get if/switch expressions, typed throws, result builders, property wrappers, and the some/any distinction explained clearly with working examples. Also covers Regex builders, Codable patterns with custom CodingKeys, modern collection methods like count(where:), and FormatStyle for dates and numbers. The examples are practical and the opaque vs existential types section actually clarifies when to use each. Use this when you're writing core Swift code with generics, protocols, or modern syntax and want to avoid the outdated patterns that still fill most tutorials. Deliberately excludes concurrency and SwiftUI, which have separate skills.
npx skills add https://github.com/dpearson2699/swift-ios-skills --skill swift-language