swift-actor-persistence

Persist Swift data thread-safely using actors with file-backed storage.

19|4|Updated Mar 1, 2026
One-click install
npx skills add https://github.com/j7-dev/everything-github-copilot --skill swift-actor-persistence-j7-dev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swift-actor-persistence
Source: https://github.com/j7-dev/everything-github-copilot/tree/main/skills/swift-actor-persistence
Command: npx skills add https://github.com/j7-dev/everything-github-copilot --skill swift-actor-persistence-j7-dev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the challenge of managing shared mutable state in Swift applications, preventing data races and simplifying thread-safe data persistence.

Core Features & Use Cases

  • Actor-Based Repository: Implements a thread-safe data repository using Swift actors.
  • In-Memory Cache: Provides fast data retrieval through an in-memory cache.
  • File-Backed Storage: Ensures data durability by persisting data to a file.
  • Use Case: Building an offline-first mobile application where user data needs to be stored locally, accessed concurrently by different parts of the app, and persisted reliably.

Quick Start

Create a new local repository for Question objects and save a new question to it.

Frequently Asked Questions about swift-actor-persistence

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

FAQPage Schema
How do I manage shared mutable state in Swift without data races?▼

You can manage shared mutable state in Swift without data races by using the actor model. Actors serialize access to data, preventing concurrent access issues and simplifying thread-safe data persistence.

What is the best way to implement thread-safe local data persistence in Swift?▼

The best way to implement thread-safe local data persistence in Swift is combining an in-memory cache with file-backed storage using actors. This provides fast retrieval and durable, race-free data operations for offline-first applications.

Can I use Swift actors for offline-first mobile app data storage?▼

Yes, you can use Swift actors for offline-first mobile app data storage. Actors manage concurrent access to shared mutable state safely, allowing different app parts to access user data locally without race conditions.

How does an in-memory cache combined with file-backed storage work in Swift?▼

An in-memory cache combined with file-backed storage in Swift provides fast data retrieval through memory while ensuring data durability by persisting changes to a local file. Actor isolation keeps these concurrent operations thread-safe.

Do I need Swift 5.5 to use actor-based data persistence?▼

Yes, you need Swift 5.5 or later to use actor-based data persistence. The actor model is a language feature introduced in Swift 5.5 specifically designed to handle concurrent access and shared mutable state safely.