{"enrichment":{"faq":[{"a":"Swift Actor Persistence is a pattern that uses Swift actors to build thread-safe data storage without manual locks. It combines in-memory caching with file-based persistence, ensuring safe concurrent access through actor isolation. The approach leverages Swift's compile-time concurrency guarantees to prevent data races in shared mutable state, making it ideal for offline-first applications.","q":"What is swift actor thread safe persistence?"},{"a":"Swift Actor Persistence eliminates the need for DispatchQueue and manual locking by using actor-based serialization. Actors automatically serialize access to their mutable state, guaranteeing that only one task can execute at a time. This removes the complexity of managing locks while providing stronger compile-time safety guarantees than traditional concurrency patterns.","q":"How does Swift Actor Persistence replace locks and DispatchQueue?"},{"a":"Yes. Swift Actor Persistence demonstrates hybrid storage by keeping frequently accessed data in memory while syncing changes to disk. The actor model ensures that both cache and file operations remain synchronized and thread-safe. This pattern is particularly effective for offline-first apps where local data must be reliably persisted and quickly accessible.","q":"Can I combine memory caching with file-based persistence safely?"},{"a":"Swift Actor Persistence implements a repository pattern where an actor manages all data access\u2014both reading from and writing to storage. The actor isolates mutable state, handles serialized file I/O, and coordinates between memory cache and persistent storage. This centralizes concurrency concerns and eliminates data races across your application.","q":"What is the swift actor based repository pattern?"},{"a":"Swift Actor Persistence prevents data races through actor isolation and Sendable constraints. Actors serialize all access to shared mutable state, ensuring only one concurrent task modifies data at a time. Combined with Swift's type-safe Sendable protocol for data crossing actor boundaries, the pattern provides compile-time guarantees that eliminate race conditions.","q":"How does Swift Actor Persistence eliminate data races?"},{"a":"Yes. Swift Actor Persistence is designed for offline-first applications by providing reliable local storage with thread-safe concurrent access. The hybrid memory-and-file approach ensures data persists across app sessions while remaining quickly accessible. The actor model guarantees safe concurrent reads and writes, essential for apps that must work reliably without network connectivity.","q":"Is Swift Actor Persistence suitable for offline-first apps?"}],"shadow_tags":["concurrent-safety","actor-model","local-storage","memory-caching","offline-first","sendable-types","file-persistence","swift-concurrency","data-race-elimination","repository-pattern"],"summary_rewrite":"Swift Actor Persistence demonstrates how to construct a thread-safe persistence layer by combining actor isolation with hybrid storage\u2014keeping frequently accessed data in memory while syncing changes to disk. The pattern leverages Swift's compile-time guarantees to prevent data races without manual locks, making it ideal for offline-first applications and shared mutable state across concurrent contexts."},"files":[{"bytes":5270,"path":"skills/swift-actor-persistence/SKILL.md","sha256":"5858b129b7c2b7070606021b61d5eb213d1273f19fe26789763565e178de4882","url":"https://skillfed.io/files/xu-xiang/everything-claude-code-zh/swift-actor-persistence/fabf8043/SKILL.md"}],"id":"xu-xiang/everything-claude-code-zh/swift-actor-persistence","links":{"html":"https://skillfed.io/xu-xiang/everything-claude-code-zh/swift-actor-persistence","md":"https://skillfed.io/xu-xiang/everything-claude-code-zh/swift-actor-persistence.md","repo":"https://github.com/xu-xiang/everything-claude-code-zh"},"meta":{"agents_supported":[],"first_seen":"2026-07-28","forks":298,"language":"JavaScript","last_updated":"2026-03-05","license":"MIT","name":"swift-actor-persistence","publisher":"xu-xiang","stars":1767},"relations":{"similar":[{"id":"affaan-m/ECC/swift-actor-persistence"},{"id":"rshankras/claude-code-apple-skills/offline-queue"},{"id":"xu-xiang/everything-claude-code-zh/swift-concurrency-6-2"},{"id":"miles990/claude-software-skills/swift"},{"id":"jamesrochabrun/skills/swift-concurrency"},{"id":"dpearson2699/swift-ios-skills/swiftdata"},{"id":"softspark/ai-toolkit/swift-rules"},{"id":"affaan-m/ECC/swift-concurrency-6-2"},{"id":"tartinerlabs/skills/modernize-tests"},{"id":"dpearson2699/swift-ios-skills/swift-language"}]},"slug":{"owner":"xu-xiang","repo":"everything-claude-code-zh","skill":"swift-actor-persistence"},"version":"fabf8043"}