Signature Equality Is Not Behavioural Equality: Building a Dependency Migrator With Zero Dependencies
This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.
A go.mod file tells you what your project depends on. It cannot tell you which of those dependencies the standard library has already made unnecessary. That gap is bigger than it sounds. Go 1.13 shipped %w and github.com/pkg/errors became largely redundant. Go 1.21 shipped slices , maps , cmp and l…
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- 2026-09-09 03:10 · DEV Community — AI
Signature Equality Is Not Behavioural Equality: Building a Dependency Migrator With Zero Dependencies