You shouldn't need any extra tools for this. A combination of the StandaloneDeriving and DeriveDataTypeable extensions in GHC should suffice.

Cheers,
S.

On Sun, Mar 8, 2009 at 10:30 AM, Gü?nther Schmidt <gue.schmidt@web.de> wrote:
Hi,

I need to derive Data, Typeable for Data.Time.LocalTime. I had hoped to use either derive or DrIFT to generate the instance declarations for it.

I tried to understand the respective user manuals but it's still all Greek to me.

Someone please help!

Günther

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