-- The foldrFB and foldlFB are foldr and foldl equivalents, used for list fusion.
-- They are important to convert unfused to{Asc,Desc}List back, see mapFB in prelude.
foldrFB :: (a -> b -> b) -> b -> Set a -> b
foldrFB = foldr
foldrFB :: (a -> b -> b) -> b -> Set a -> b
foldrFB = foldr
foldrFB = foldr