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concurrency-patterns

Guide Swift concurrency patterns including async/await, actors, and data race prevention.

114|8|Updated Mar 4, 2025
Search Tags:#concurrency#swift 6#swift#async/await#actors#structured concurrency
One-click install
npx skills add https://github.com/gustavscirulis/snapgrid --skill concurrency-patterns-gustavscirulis
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: concurrency-patterns
Source: https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/swift/concurrency-patterns
Command: npx skills add https://github.com/gustavscirulis/snapgrid --skill concurrency-patterns-gustavscirulis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers write robust, efficient, and safe asynchronous code in Swift by providing guidance on modern concurrency patterns, preventing data races, and facilitating migration to Swift 6.

Core Features & Use Cases

  • Swift Concurrency: Covers async/await, structured concurrency, actors, and continuations.
  • Data Race Prevention: Focuses on patterns that ensure thread safety and actor isolation.
  • Swift 6 Migration: Assists in adopting strict concurrency and new features like @concurrent.
  • Use Case: Debugging a complex data race in a multi-threaded application or migrating an existing codebase to Swift 6's strict concurrency model.

Quick Start

Review the Swift 6.2 concurrency features for approachable async code.

Frequently Asked Questions about concurrency-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent data races in Swift async code?▼

Prevent data races in Swift async code by using actor isolation to protect shared mutable state and structured concurrency to manage task lifecycles. This Skill provides specific patterns for thread-safe asynchronous programming.

How do I migrate an existing codebase to Swift 6 strict concurrency?▼

Migrate to Swift 6 strict concurrency by adopting approachable concurrency features and bridging legacy APIs using continuations. This Skill guides the transition to eliminate data races and ensure actor isolation.

What is the best way to bridge legacy APIs with Swift async/await?▼

The best way to bridge legacy APIs with Swift async/await is by using continuations. This Skill explains how to safely wrap callback-based code into async functions while preserving structured concurrency.

Does this Skill cover Swift 6.2 approachable concurrency features?▼

Yes, this Skill covers Swift 6.2 approachable concurrency features. It provides comprehensive guidance on adopting new features like @concurrent to write robust and efficient asynchronous code.

When should I use actors instead of async/await in Swift?▼

Use actors instead of plain async/await in Swift when you need to protect shared mutable state across multiple concurrent tasks. This Skill outlines structured concurrency patterns for safe data isolation.

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