The closest thing I've seen to an actual definition of "legacy code" is "code th... | Hacker News

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		blt on April 1, 2015 \| parent \| context \| favorite \| on: Refactoring: How do I even start? The closest thing I've seen to an actual definition of "legacy code" is "code that's very difficult to unit test." It's a shitty catch-22.

philbarr on April 1, 2015 [–]

Feathers defines legacy code as code without accompanying tests in "Working Effectively with Legacy Code". Even to the point where someone he knows said of a particular shop, "they're writing legacy code, man!"

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