Re: [Haskell-cafe] implementing a class using superclasses?

On Wed, 2025-03-26 at 18:08 -0400, Jade Hagborg via Haskell-Cafe wrote:

    instance (Primary a, Secondary a) => Ord (Lex2 a) where         compare (MkLex2 x) (MkLex2 y) = comp1 x y <> comp2 x y

My bad (copy-paste error), should be instance (Primary a, Secondary a) => Ord (UsePrimaryAndSecondary a) where compare (MkUsePrimaryAndSecondary x)  (MkUsePrimaryAndSecondary y) = comp1 x y <> comp2 x y Sorry if that caused confusion.