Reference Index
Quick navigation for the Swift Concurrency skill.
Foundations
| File | Use it for |
|---|---|
async-await-basics.md | closure-to-async bridges and foundational async/await usage |
tasks.md | Task, cancellation, task groups, structured vs unstructured work |
actors.md | actor isolation, @MainActor, reentrancy, isolated conformances |
sendable.md | Sendable, @Sendable, region isolation, escape hatches |
threading.md | execution model, suspension points, Swift 6.2 isolation behavior |
Streams
| File | Use it for |
|---|---|
async-sequences.md | deciding between AsyncSequence, AsyncStream, and one-shot async APIs |
async-algorithms.md | debounce, throttle, merge, combineLatest, channels, timers |
Applied Topics
| File | Use it for |
|---|---|
testing.md | Swift Testing first, XCTest fallback, leak checks |
performance.md | Instruments workflow, actor hops, suspension cost |
memory-management.md | retain cycles, long-lived tasks, cleanup |
core-data.md | NSManagedObjectID, perform, default isolation conflicts |
Migration and Tooling
| File | Use it for |
|---|---|
migration.md | rollout order, build settings, migration guardrails |
linting.md | concurrency-focused lint rules |
glossary.md | quick definitions |
Problem Router
- "I need to fix a compiler error quickly" →
../SKILL.md - "I need to replace a callback with async/await" →
async-await-basics.md - "I need to protect shared mutable state" →
actors.md - "I need to pass data safely across boundaries" →
sendable.md - "I need stream operators" →
async-algorithms.md - "I need to understand why code runs where it runs" →
threading.md - "I need to stop a leak or lifetime issue" →
memory-management.md - "I need to migrate to Swift 6" →
migration.md - "I need to test async code" →
testing.md - "I need to optimize slow async code" →
performance.md