iterate id and zipWith/repeat rules
iterate id and zipWith/repeat rules

I was correcting a Haskell exam and found that some students would write
such code. Hopefully these students will use hlint when they do real
programming.

bitemyapp/hlint,gibiansky/hlint,mpickering/hlint,ndmitchell/hlint,ndmitchell/hlint,eigengrau/hlint