On Fri, Aug 19, 2011 at 1:45 PM, Thomas DuBuisson <thomas.dubuis...@gmail.com> wrote: > This is not a valid data declaration. You can't have a "Float" field > without any constructor name and have it still of type
And the reason why it accepts 'data MathExpr = Float', is because data constructors and types live in separate namespaces. There is already a type called Float in the Prelude, but there is no 'Float' data constructor. (Just pointing this out in case it's not obvious!) Jason _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
