Won't it derive it with StandaloneDeriving?
Cheers,
Pedro
On Tue, Jan 22, 2013 at 1:28 PM, Roman Cheplyaka r...@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
It doesn't seem to — am I doing something wrong?
GHCi, version 7.6.1.20121207: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude :set
I just found mkTyCon3 which generates the fingerprint automatically.
(I was looking at Data.Typeable.Internal.mkTyCon before.)
That answers my question.
(Of course, a way to derive the instance would be even better...)
Roman
* Roman Cheplyaka r...@ro-che.info [2013-01-22 15:28:55+0200]
I need
Yes, that will work. But soon we'll have poly-kinded Typeable in HEAD,
which will be able to derive that instance.
Cheers,
Pedro
On Tue, Jan 22, 2013 at 2:34 PM, Roman Cheplyaka r...@ro-che.info wrote:
I just found mkTyCon3 which generates the fingerprint automatically.
(I was looking at
Thanks, looking forward to it!
Roman
* José Pedro Magalhães j...@cs.uu.nl [2013-01-22 14:41:25+]
Yes, that will work. But soon we'll have poly-kinded Typeable in HEAD,
which will be able to derive that instance.
Cheers,
Pedro
On Tue, Jan 22, 2013 at 2:34 PM, Roman Cheplyaka
