[Haskell-beginners] Equivalence of Inheritance

[Russ Abbott]

What got fouled up is all the adjustments I had to make to the other
declarations.

Can you complete the example so that it compiles using

class Person p where ...

I'd very much like to see an example that actually compiles.


Thanks.
*
-- Russ *


On Tue, Dec 14, 2010 at 11:58 AM, Antoine Latter <aslatter at gmail.com> wrote:

> On Tue, Dec 14, 2010 at 1:52 PM, Russ Abbott <russ.abbott at gmail.com>
> wrote:
> > If gender is a field in a Person type, then a Person must have both an
> > ovaryCondition and a prostateCondition.  That seems awkward.
> > Regarding
> >      class Person p where
> > I started down that path but got completely fouled up.
>
> How did this get fouled up? Every class declaration must take
> arguments - here, 'p' is the argument for the class.
>
> Thanks,
> Antoine
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.haskell.org/pipermail/beginners/attachments/20101214/e7ff43ec/attachment.htm>