Tencent Cloud Developer
May 9, 2022 · Backend Development
Error Handling and ErrGroup Patterns in Go
The article explains Go’s built‑in error interface, distinguishes errors, exceptions and panics, presents three handling patterns—classic returns, stateful objects, and functional deferred execution—shows how to wrap errors for context, and demonstrates using the errgroup concurrency primitive (including an extended version) for safe parallel processing.
Backend DevelopmentConcurrencyError Wrapping
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