https://oscarchou.com/tags/programming/ Recent content in Programming on Oscar's Notebook Hugo -- gohugo.io en-US Sat, 07 Feb 2026 20:00:00 +1300 https://oscarchou.com/posts/golang/stop-return-nil-object-in-golang/ Sat, 07 Feb 2026 20:00:00 +1300 https://oscarchou.com/posts/golang/stop-return-nil-object-in-golang/ In Go API design, returning `(nil, nil)` for a not found object may seem harmless, but it can lead to runtime crashes and broken expectations. This article discusses the pitfalls of this practice and offers solutions such as returning a predefined error or using an explicit existence flag. Improve your API design by adopting safer patterns for better maintainability.