Implement Swift macros, concurrency, and testing patterns.
npx skills add https://github.com/mpazaryna/claude-toolkit --skill swift-lang
Please help me install this Agent Skill. Skill: swift-lang Source: https://github.com/mpazaryna/claude-toolkit/tree/main/generated-skills/swift-lang Command: npx skills add https://github.com/mpazaryna/claude-toolkit --skill swift-lang
This Skill eliminates the complexity barrier to mastering advanced Swift language features like macros, concurrency, and generics, enabling developers to write more performant and maintainable code.
Use the swift-lang skill to help me create a macro that adds a computed property for debug description.
High-intent search queries and answers about installing and using this skill.
Macros in Swift perform compile-time code generation using SwiftSyntax. Attached macros automatically generate accessors and properties—for example, adding UserDefaults persistence to multiple properties without manual getter and setter duplication.
Async/await and actor patterns enable safe concurrency in Swift. Actors enforce Sendable conformance to prevent data races, while async/await simplifies asynchronous code flow compared to callback-based approaches.
Swift Testing framework supports parameterized tests and async testing strategies for validating concurrent behavior. Use async test functions to directly await operations and verify results without callback nesting.
Result builders combined with generics enable creating domain-specific languages with compile-time type safety. This approach reduces boilerplate while maintaining full static validation of DSL expressions.
Optimization for Swift networking involves async/await patterns for non-blocking I/O, memory management best practices to prevent leaks, and concurrent request handling via actors to improve throughput.
SwiftSyntax is required for macro development; it provides the AST manipulation tools needed to parse and generate code. Both freestanding and attached macros depend on SwiftSyntax for compile-time transformations.
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