swift-library-design

Design type-safe Swift frameworks by using protocols with associated types and generics to create decoupled, testable components. This approach ensures compile-time safety while keeping your library architecture flexible for consumers.

Optimize Swift library hot paths by applying @inlinable functions, noncopyable types, and low-level memory management. These performance techniques ensure efficient execution without compromising the type safety of your public API.

Implement result builders, fluent builder methods, and custom operators to make Swift API ergonomics intuitive for consumers. These patterns enable progressive disclosure, keeping complex framework configurations clean and readable.

Designing a Swift library requires strict adherence to ABI stability and compile-time safety best practices. Ensuring ABI compatibility guarantees that your framework's public APIs remain stable across compiler and OS updates.

Use generics for flexible, compile-time type-safe functions and protocols with associated types to define flexible, decoupled component contracts. Protocol-oriented patterns allow your library components to remain highly testable and architecture-agnostic.

Review existing Swift protocol architecture by analyzing associated types and generic constraints to suggest improvements for better type safety. This process identifies decoupling opportunities and optimizes progressive disclosure for public APIs.