[ddagradi]

As long as it's a negative number, it's a win. I feel like LoC as a measurement for anything is pretty outdated.

[eru]

You could look at the size of your diffs instead. Though that's not such a good metric, either.

But really, last week I helped a co-worker rip out 80 of the 100 lines of his Parsec parser.

[thomson]

I decided one day to spend all my time refactoring code and ended up writing -200 lines. That was probably one of my most productive days ever.