On Tue, Nov 18, 2008 at 03:01:00PM +0100, Wolfgang Jeltsch wrote: > how do I make a library work with both GHC 6.8 and GHC 6.10? According to > <http://www.haskell.org/haskellwiki/Upgrading_packages#Arrow_instances>, I > should change all my Arrow instances but then they don't work with GHC 6.8 > anymore, do they? Or is the solution to force GHC 6.8 users to use > base-4.0.0.0?
GHC 6.8 users can't use base-4. I think it's either two versions or cpp. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
