rshankras/claude-code-apple-skills

swift-development

Swift language patterns and best practices including concurrency, performance, and modern idioms.

Ver código fuente

Cómo usar

  1. Copia el comando y revisa el paquete antes de instalarlo en tu entorno de agente.
  2. Consulta las herramientas, credenciales y entornos necesarios en el documento original.
  3. Describe las entradas y el resultado deseado; contrasta la salida con las fuentes.
npx skills add https://github.com/rshankras/claude-code-apple-skills --skill swift-development

Antes de empezar

  • La instalación no incluye suscripción al modelo, cuota API ni permisos sobre tus archivos.
  • Las estrellas e instalaciones reflejan actividad, no una prueba independiente de calidad o seguridad.
Documento original del Skill

Contenido del repositorio de origen con títulos, ejemplos, código, tablas, enlaces e imágenes preservados.

Swift Development

Swift language-level guidance that applies across all Apple platforms.

When This Skill Activates

Use this skill when the user:

  • Asks about Swift concurrency (async/await, actors, Sendable, TaskGroup)
  • Needs help with Swift 6 strict concurrency migration
  • Has data race or actor isolation errors
  • Asks about InlineArray, Span, or low-level memory performance
  • Wants to eliminate heap allocations or replace unsafe pointers
  • Asks about modern Swift patterns independent of any specific platform
  • Wants complexity/size limits (SwiftLint thresholds) on agent-written code

Available Modules

concurrency-patterns/

Swift concurrency architecture and patterns.

  • Swift 6.2 approachable concurrency features (incl. nonisolated(nonsending), Apple's adoption doctrine)
  • Structured concurrency (async let, TaskGroup, .task modifier, task-local values)
  • Actors, isolation, reentrancy, @MainActor, Sendable
  • Runtime internals + profiling (cooperative pool, unsafe primitives, Swift Concurrency Instrument)
  • Continuations for bridging legacy APIs
  • Swift 6 strict concurrency migration guide

concurrency/

Swift 6.2 concurrency updates reference — the what-changed view (async-stays-on-caller, default MainActor inference, isolated conformances, @concurrent) with migration steps from 6.0/6.1 and top mistakes. Overlaps concurrency-patterns/swift62-concurrency.md by design: use this file when the question is "what changed in 6.2?", use concurrency-patterns when building or reviewing async code.

code-size/

Complexity and size limits for Swift code — SwiftLint threshold rules (cyclomatic complexity, function/type/file length, parameter count) with a violations-baseline adoption path so existing code never blocks. Part of the deterministic gauntlet with testing/fitness-functions and testing/coverage-ratchet.

memory/

InlineArray, Span, and the Swift performance cost model.

  • InlineArray: fixed-size, stack-allocated collections with zero heap overhead
  • Span family: safe, non-escapable access to contiguous memory (+ OutputRawSpan, swift-binary-parsing)
  • Lifetime dependencies and non-escapable type constraints
  • swift-performance.md: the cost model — allocation, ARC/retain-release, exclusivity checks, dispatch, generics vs existentials, closures, ~Copyable ownership

How to Use

  1. Identify user's need from their question
  2. Read relevant module files from subdirectories
  3. Apply the guidance to their specific context
  4. Cross-reference with platform-specific skills (ios/, macos/) as needed

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