Swift Concurrency
Swift Concurrency
Introduction
Swift's modern concurrency model provides structured, safe concurrent programming through async/await syntax, actors for data isolation, and task management primitives. This system eliminates common concurrency bugs like data races and callback hell while improving code readability and maintainability.
Introduced in Swift 5.5, the concurrency model integrates with the language's type system to enforce safety at compile time. Actors protect mutable state, async/await makes asynchronous code look synchronous, and structured concurrency ensures tasks are properly managed and cancelled.
This skill covers async functions, actors, task groups, cancellation, async sequences, and patterns for migrating from completion handlers to modern concurrency.
Async/Await Fundamentals
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