+{-
+demo const mult =
+ <[ \y -> let y = ~~(const 4) in ~~mult (~~mult y y) (~~mult y y) ]>
+-}
+
+{-
+demo const mult =
+ <[ \(y::Int) ->
+ let four = ~~mult four ~~(const 4)
+-- twelve = {- {- ~~mult four -} ~~(const 12) -} four
+ in four
+ ]>
+-}
+demo ::
+ forall c .
+ (Int -> <[Int]>@c) ->
+ <[Int -> Int -> Int]>@c ->
+ <[Int -> Int]>@c
+
+{-