packages feed

alms-0.4.9: examples/ex10-dynamic-promotion-blame-error.alms

(* A Lying Dynamic Promotion (like ex8.aff -- blame inc(:>)) *)

let ap : (int -> int) -> int -> int =
  fun f: (int -> int) ->
    fun x: int ->
      f (f x)    (* f is used twice here, despite what iap2 claims *)

let inc : int -> int =
  fun y: int ->
    (fun g: (int -o int) ->
       (ap : (int -> int) -> int -> int
           :> (int -o int) -> int -o int) g y)   (* This cast goes bad *)
    (fun z: int -> z + 1)

in print[int] (inc 5)