Am Montag, 15. Dezember 2008 02:17 schrieb Ben Horsfall:
> I have a type family
>
> class Lang term where
> data Token term :: *
>
> with
>
> instance Lang Term where
> newtype Token Term = T String
>
> I can't work out how to export the type constructor T from the module,
> unless I make no explict exports from the module at all.
>
>
> Ben
Hello Ben,
try
Lang (type Token)
in the export list.
Best wishes,
Wolfgang
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