mapId :: String
mapId = "map"
+-- | zipwith function identifier
+zipWithId :: String
+zipWithId = "zipWith"
+
+foldlId :: String
+foldlId = "foldl"
+
+foldrId :: String
+foldrId = "foldr"
+
-- | hwxor function identifier
hwxorId :: String
hwxorId = "hwxor"