Please don't ever do this. Nobody wants to review a single massive +1600/-1600 PR. Split it up into small pieces. https://github.com/rust-lang-nursery/rand/pull/161 …
-
But if you’re an outside contributor this is practically never the case and I agree with your judgment.
You should talk to the maintainers before taking on that amount of work anyway, at which point the changes do make sense on their own
