[Haskell-cafe] Non-derivable Typeable
José Pedro Magalhães
jpm at cs.uu.nl
Tue Jan 22 14:36:26 CET 2013
Won't it derive it with StandaloneDeriving?
On Tue, Jan 22, 2013 at 1:28 PM, Roman Cheplyaka <roma at ro-che.info> wrote:
> I need to declare a Typeable instance for a type which has an argument
> of kind * -> *. GHC refuses to derive it.
> What is a recommended way to go about it?
> In particular, if I write the instance by hand, how important is the
> fingerprint, and how could I generate it?
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Haskell-Cafe