Go Concurrency Patterns

  • Structured concurrency over fire-and-forget
  • Context-driven cancellation
  • Backpressure and bounded worker design

Core patterns

  • Bounded semaphore/channels for concurrency caps
  • Single-writer aggregation
  • Drain vs cancel semantics on shutdown

Lab target

  • BoundMap
  • preserve ordering
  • enforce maxConcurrency
  • deterministic boundedness checks
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