John Goerzen schrieb: > So this is annoying (CCing -cafe) > > I need NominalDiffTime and UTCTime to have Typeable instances. In > 6.10.1, they didn't ship with them out of the box, so I added them. > Apparently, in 6.10.3, they DO ship with those instances out of the box. > > Annoyingly, that means that my code breaks on 6.10.3.
After having conflicting instances several times with some types in the past, I came to the conclusion that I should never define orphan instances. Can you restrict your package to 6.10.3 where an "official" instance is available? http://www.haskell.org/haskellwiki/Orphan_instance _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe