New blog post! 🤓
- Exported concrete error types are superior to sentinel errors. They can be more performant, cannot be clobbered, and promote extensibility.
- Third-party function errutil.Find is a powerful alternative to standard-library function errors.As.
https://jub0bs.com/posts/2025-03-31-why-concrete-error-types-are-superior-to-sentinel-errors/