[Haskell] deriving with newtypes

[Wolfgang Jeltsch]

Am Freitag, 2. April 2004 18:49 schrieben Sie:
> Your word is my command. 'Tis done.
>
> Simon

Thank you very much.  In which GHC release will this be available?

Wolfgang

> | -----Original Message-----
> | From: haskell-bounces at haskell.org [mailto:haskell-bounces at 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
> |
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