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swiftui-concurrency-tour-wwdc

Context: SwiftUI-focused concurrency overview covering actor isolation, Sendable closures, and how SwiftUI runs work off the main thread.

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What it does and how to use it

A skill that teaches Claude Code to do development tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/swiftui-concurrency-tour-wwdc && curl -fsSL https://doutorai.pt/data/lib/skills__swiftui-concurrency-tour-wwdc.md -o .claude/skills/swiftui-concurrency-tour-wwdc/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# SwiftUI Concurrency Tour (Summary)

Context: SwiftUI-focused concurrency overview covering actor isolation, Sendable closures, and how SwiftUI runs work off the main thread.

## Main-actor default in SwiftUI

- `View` is `@MainActor` isolated by default; members and `body` inherit isolation.
- Swift 6.2 can infer `@MainActor` for all types in a module (new language mode).
- This default simplifies UI code and aligns with UIKit/AppKit `@MainActor` APIs.

## Where SwiftUI runs code off the main thread

- SwiftUI may evaluate some view logic on background threads for performance.
- Examples: `S

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