What problem does it solve?
This Skill helps Swift developers avoid outdated patterns and common pitfalls by guiding them toward modern Swift language constructs that improve correctness, readability, and maintainability.
Core Features & Use Cases
- Modern control-flow expressions: Use Swift if/switch expressions to produce values directly instead of mutating intermediate variables.
- Safer error modeling: Apply typed throws (Swift 6+) to make error handling more explicit and exhaustively matchable.
- Expressive type-system patterns: Choose between opaque types (some) and existential types (any) to balance performance and flexibility.
- Practical API and data handling guidance: Use Codable best practices (CodingKeys, decoding strategies) and modern collections APIs for cleaner logic.
- Safer formatting and parsing: Prefer FormatStyle over formatter objects for localization-friendly output and parsing.
- Powerful DSL techniques: Leverage result builders, property wrappers, and Regex builders for readable domain logic.
Quick Start
Ask the assistant to review your Swift function and rewrite it using modern if/switch expressions, typed throws where appropriate, and best-practice Codable/collection/FormatStyle patterns.
