[Haskell-cafe] Deriving class instances using DrIFT

John Meacham john at repetae.net
Mon Oct 30 19:07:56 EST 2006

On Tue, Oct 31, 2006 at 07:46:05AM +1300, Daniel McAllansmith wrote:
> Hmmm, seems strange that it can successfully derive for the Data.Maybe type 
> but not the Data.Word32 type.  I didn't think it would have access to any 
> original source from my ghc install, there only seems to be hi files.

It has a few data definitions built into it. Bool,Maybe,Either, and

see src/PreludData.hs for how that is done. 


John Meacham - ⑆repetae.net⑆john⑈

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