Agent skill
Concurrency
Standards for safe concurrent programming using Goroutines, Channels, and Context.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/concurrency-hoangnguyen0403-agent-skills-standar-2
Metadata
Additional technical details for this skill
- labels
-
golang concurrency goroutines channels context sync
- triggers
-
{ "files": [ "**/*.go" ], "keywords": [ "goroutine", "go keyword", "channel", "mutex", "waitgroup", "context" ] }
SKILL.md
Golang Concurrency Standards
Priority: P0 (CRITICAL)
Principles
- Share Memory by Communicating: Don't communicate by sharing memory. Use channels.
- Context is King: Always pass
ctxto efficient manage cancellation/timeouts. - Prevent Leaks: Never start a goroutine without knowing how it will stop.
- Race Detection: Always run tests with
go test -race.
Primitives
- Goroutines: Lightweight threads.
go func() { ... }() - Channels: For data passing + synchronization.
- WaitGroup: Wait for a group of goroutines to finish.
- ErrGroup: WaitGroup + Error propagation (Preferred).
- Mutex: Protect shared state (simpler than channels for just state).
Guidelines
- Buffered vs Unbuffered: Use unbuffered channels for strict synchronization. Use buffered only if you specifically need async decoupling/burst handling.
- Closed Channels: Panic if writing to closed. Reading from closed returns zero-value immediately.
- Select: Use
selectto handle multiple channels or timeouts.
References
- Concurrency Patterns
- Context Usage
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