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approachable-concurrency

Use this reference when the project has opted into the Swift 6.2 approachable concurrency settings (default actor isolation / main-actor-by-default).

  • Skills
  • Development
  • 2

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/approachable-concurrency && curl -fsSL https://doutorai.pt/data/lib/skills__approachable-concurrency.md -o .claude/skills/approachable-concurrency/SKILL.md

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

Content

## Approachable Concurrency (Swift 6.2) - project mode quick guide

Use this reference when the project has opted into the Swift 6.2 approachable
concurrency settings (default actor isolation / main-actor-by-default).

## Detect the mode

Check Xcode build settings under "Swift Compiler - Concurrency":
- Swift language version (must be 6.2+).
- Default actor isolation / Main Actor by default.
- Strict concurrency checking level (Complete/Targeted/Minimal).

For SwiftPM, inspect Package.swift swiftSettings for the same flags.

## Behavior changes to expect

- Async functions stay on the caller'

- 🔒 Full content on the Pro plan (€7.99/month) -

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