@@ -48,7 +48,7 @@ pattern AppendMap m = MonoidalMap m
49#if !MIN_VERSION_witherable(0,3,2)
49#if !MIN_VERSION_witherable(0,3,2)
50instance W.Filterable (MonoidalMap k) where
50instance W.Filterable (MonoidalMap k) where
51− mapMaybe = mapMaybe
51+ mapMaybe = W.mapMaybe
54-- | Deletes a key, returning 'Nothing' if the result is empty.
54-- | Deletes a key, returning 'Nothing' if the result is empty.