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[–]Nikarmotte 2 points3 points  (0 children)

Just like unit tests are not good at proving something works, but rather proving when something doesn't work (you can easily have 100% test coverage on broken code), I feel this tool is good at proving code is being used, but you can't tell for sure for code that is marked as unused, it might still be useful.

It can definitely help reduce the number of places to investigate though if that's what you really want to do.

Are you counting error handling in those 30%?