Re: [Haskell-cafe] Inheritance and Wrappers

<\quote> Henning Thielemann wrote:

If all methods of AbGroup can be defined for all Num types - why do you want an AbGroup at all? You could simply write functions with Num constraint.

Well, I'd rather not have to implement (*), abs, etc on every abelian group. You may be also interested in existing approaches to algebra in Haskell: http://www.haskell.org/haskellwiki/Mathematical_prelude_discussion Yes, in fact I am! Thanks for the suggestion; it seems "numeric-prelude" does [most of] the things I want. Thanks all. -- View this message in context: http://haskell.1045720.n5.nabble.com/Inheritance-and-Wrappers-tp3365126p3365... Sent from the Haskell - Haskell-Cafe mailing list archive at Nabble.com.