swift-actor-persistence
Swift Actors for Thread-Safe Persistence
Patterns for building thread-safe data persistence layers using Swift actors. Combines in-memory caching with file-backed storage, leveraging the actor model to eliminate data races at compile time.
When to Activate
- Building a data persistence layer in Swift 5.5+
- Need thread-safe access to shared mutable state
- Want to eliminate manual synchronization (locks, DispatchQueues)
- Building offline-first apps with local storage
Core Pattern
Actor-Based Repository
The actor model guarantees serialized access — no data races, enforced by the compiler.
public actor LocalRepository<T: Codable & Identifiable> where T.ID == String {
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