Hi, Am Samstag, den 17.08.2013, 20:34 +0200 schrieb Bas van Dijk: > I used the following in the past: > > module M (PublicClass(..)) where > > class HiddenClass a > > class HiddenClass a => PublicClass a where > ...
> ... > > Now users of M can't declare instances of PublicClass because they > don't have its superclass HiddenClass in scope. nice idea! Unfortunately not quite what I need; I still want the user to be able to use standalone deriving instances for the class. Greetings, Joachim -- Joachim “nomeata” Breitner m...@joachim-breitner.de • http://www.joachim-breitner.de/ Jabber: nome...@joachim-breitner.de • GPG-Key: 0x4743206C Debian Developer: nome...@debian.org
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