[Haskell-cafe] newbie type signature question

Brock Peabody brock.peabody at npcinternational.com
Fri Jun 9 15:17:53 EDT 2006

> Brian Hulley wrote:

> There was a post a while back (unfortunately I can't seem to locate
> where someone posted a link to some guidelines on haskell coding style
> where
> one guideline was never to use contexts in data declarations.

I would love to see that guideline.  What is the correct way to express
a constraint for a data declaration if this way is wrong?



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