https://victhree.wtf/posts/ Recent content in Posts on Notes on Code & Systems Hugo -- 0.148.2 en-us Thu, 16 Jul 2026 22:06:43 +0000 https://victhree.wtf/posts/zero_values/ Thu, 16 Jul 2026 22:06:43 +0000 https://victhree.wtf/posts/zero_values/ How zero values work in Go, how they differ from default values in languages like TypeScript, and why nil slices and maps are safe to use in some ways but not others. https://victhree.wtf/posts/specification_pattern/ Thu, 16 Oct 2025 09:00:00 +0200 https://victhree.wtf/posts/specification_pattern/ A practical guide to the Specification pattern from Domain-Driven Design, with Go examples: put business rules in small reusable types, combine them with AND, OR and NOT, and use them for validation, selection and construction.