On Thu, Mar 30, 2017 at 10:47 PM Bryan Richter <b@chreekat.net> wrote:
I just don't know why pairs ever got to Functor. I fear this was an ancient decision... no?

If you're curious, this happened over 10 years ago:

http://git.haskell.org/ghc.git/commitdiff/209bf03ac7949c9bcf677561a2b1360b158e3b22