[Haskell-cafe] derivable type classes

[Josef Svenningsson]

On Tue, Mar 23, 2010 at 11:52 AM, Ozgur Akgun <ozgurakgun at gmail.com> wrote:
> Can a user define a derivable type class of her own? If yes, how?
>
GHC has a feature which lets you define classes such that making an
instance of them is as easy as deriving. It's called Generic classes.
See GHC's documentation for the details:
http://www.haskell.org/ghc/docs/latest/html/users_guide/generic-classes.html

Hth,

Josef