Re: [Haskell-cafe] a bunch of newbie questions

Bulat Ziganshin wrote:

this is called ad-hoc polymorphism which is not supported by Haskell. instead Haskell supports parametric polymorphism via type classes.

I think you are wrong here Bulat. In fact, I think a) Haskell supports parametric polymorphism, e.g. id :: t -> t id x = x b) Haskell supports ad-hoc polymorphism via type classes Martin