Code doesn’t expire. But the programmers do (they die/retire).
The old programmers should document their work and do a proper handoff to a new maintainer. At my work place, other people have to maintain my code, so I write wikis about how it works and do internal tech talks to explain things.
The old programmers should document their work and do a proper handoff to a new maintainer. At my work place, other people have to maintain my code, so I write wikis about how it works and do internal tech talks to explain things.