[Redirecting to GHC users.] This seems like a very reasonable point. Not possible today, but it should be. It'll go on my to-do list. Meanwhile, I guess you can always do it by steam. Simon | -----Original Message----- | From: haskell-bounces@haskell.org [mailto:haskell-bounces@haskell.org] On Behalf Of Wolfgang | Jeltsch | Sent: 21 March 2004 17:55 | To: The Haskell Mailing List | Subject: [Haskell] deriving with newtypes | | Hello, | | I'm trying to use GHC's deriving mechanism for newtypes in the following way: | class C a b | instance C [a] Char | newtype T = T Char deriving C [a] | Unfortunately, this isn't possible. Is there a reason for this? Can I | circumvent this restriction? | | Wolfgang | | _______________________________________________ | Haskell mailing list | Haskell@haskell.org | http://www.haskell.org/mailman/listinfo/haskell