Cursor Rules for Swift: 6 Rules That Make AI Write Clean, Modern Swift
The article discusses 6 rules for using Cursor or Claude Code to generate clean, modern Swift code that follows best practices used by senior iOS engineers.
Why it matters
These rules can help AI-powered tools like Cursor and Claude Code generate Swift code that is more maintainable, safer, and aligned with industry best practices.
Key Points
- 1Enforce async/await and ban completion handlers for new code
- 2Use enums instead of stringly-typed APIs
- 3Avoid force-unwrapped optionals and use optional binding
- 4Separate business logic from view controllers
- 5Leverage Swift's type system with protocols and generics
- 6Follow Swift naming conventions and code formatting
Details
The article highlights common issues with AI-generated Swift code, such as excessive use of force-unwrapped optionals, completion handlers instead of async/await, and mixing business logic into view controllers. It then presents 6 rules to address these problems and produce cleaner, more modern Swift code. The rules cover topics like enforcing async/await, using enums instead of stringly-typed APIs, separating concerns in the codebase, and following Swift's type system and naming conventions. Each rule is accompanied by before/after examples to demonstrate the improvements.
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