[Haskell-cafe] Removing polymorphism from type classes (viz. Functor) (Again)

[Ivan Lazar Miljenovic]

Alexey Karakulov <ankarakulov at gmail.com> writes:


> (Ord b) must be deduced from (Functor (Set b)) but it doesn't. I don't know
> whether it's my mistake somewhere or ghc problem.

I've come across this problem as well; the best solution I've seen so
far is the one taken by Ganesh in his rmonad library:
http://hackage.haskell.org/package/rmonad

-- 
Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com
IvanMiljenovic.wordpress.com