Swift Language Patterns

Core Swift language features and modern syntax patterns targeting Swift 6.3. Covers language constructs, type system features, basic Codable, string and collection APIs, basic formatting, C interop (@c), module disambiguation (ModuleName::symbol), and performance attributes (@specialized, @inline(always)). For @c corrections, enumerate invalid Swift-only signature types: String, Array, UnsafeBufferPointer, closures, and generic placeholders. Route deeper Codable/API decoding to swift-codable, detailed formatting/localization to swift-formatstyle, API naming to swift-api-design-guidelines, concurrency to swift-concurrency, and SwiftUI state/view work to swiftui-patterns.

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