@@ -1,27 +0,0 @@
3−newtype Id = Id forall a. a -> a
5−runId = \id a -> case id of
8−newtype Nat = Nat forall r. r -> (r -> r) -> r
10−runNat = \nat -> case nat of
11− Nat f -> f 0 (\n -> n + 1)
13−zero = Nat (\zero _ -> zero)
15−succ = \n -> case n of
16− Nat f -> Nat (\zero succ -> succ (f zero succ))
18−add = \n m -> case n of
20− Nat g -> Nat (\zero succ -> g (f zero succ) succ)
25−fourNumber = runNat four
27−main = Debug.Trace.trace "Done"