On Tue, May 11, 2010 at 12:16 AM, Tom Hawkins
The tarball was missing its Rules.hs; as it happens, GHC has a module named Rules.hs as well, hence the confusing error. I've uploaded a fresh one that should work.
Thanks. This builds and installs fine.
But I think there is something wrong with the generated parser. It doesn't look for (..) groupings. For example:
data Something = Something Int (Maybe String) deriving Show {-! derive : Parse !-}
There is nothing in the generated parser to look for parens around the Maybe in case it is a (Just string).
Am I missing something?
I don't know. If you could check whether the original Drift has that error as well, then I suspect Drift's author, Meachem, would be interested to know. (I only maintain drift-cabalized as a packaging fork; I tried not to change any actual functionality.) -- gwern