Philippe Gaultier • 8/9/2025

A subtle bug with Go's errgroup

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The article details a subtle bug encountered while using Go's errgroup for concurrent password validation tasks. It walks through a minimal reproduction program, explains the bug investigation process, and offers an alternative fix. The content is a technical deep dive into Go concurrency patterns and error handling.

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#testing #concurrency #go
A subtle bug with Go's errgroup

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