[Haskell-cafe] Deriving class instances using DrIFT

[John Meacham]

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
Ordering. 

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

        John

-- 
John Meacham - ⑆repetae.net⑆john⑈