diff options
Diffstat (limited to 'dev-haskell/logict/files/logict-0.5.0-ghc-6.12.patch')
-rw-r--r-- | dev-haskell/logict/files/logict-0.5.0-ghc-6.12.patch | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/dev-haskell/logict/files/logict-0.5.0-ghc-6.12.patch b/dev-haskell/logict/files/logict-0.5.0-ghc-6.12.patch new file mode 100644 index 000000000000..7e2449494e96 --- /dev/null +++ b/dev-haskell/logict/files/logict-0.5.0-ghc-6.12.patch @@ -0,0 +1,20 @@ +--- logict-0.5.0-orig/Control/Monad/Logic.hs 2011-07-30 02:23:36.000000000 +1000 ++++ logict-0.5.0/Control/Monad/Logic.hs 2012-01-06 20:53:00.424125711 +1100 +@@ -1,4 +1,4 @@ +-{-# LANGUAGE UndecidableInstances, Rank2Types, FlexibleInstances, MultiParamTypeClasses #-} ++{-# LANGUAGE UndecidableInstances, Rank2Types, FlexibleInstances, MultiParamTypeClasses, CPP #-} + + ------------------------------------------------------------------------- + -- | +@@ -155,6 +155,11 @@ + where + ssk a fk = return $ Just (a, (lift fk >>= reflect)) + ++#if !MIN_VERSION_mtl(2,0,0) ++instance F.Foldable Identity where ++ foldMap f (Identity x) = f x ++#endif ++ + instance (Monad m, F.Foldable m) => F.Foldable (LogicT m) where + foldMap f m = F.fold $ unLogicT m (liftM . mappend . f) (return mempty) + |