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|
(* TEST *)
open Effect
open Effect.Deep
type _ t += Foo : int -> int t
let f () = (perform (Foo 3)) (* 3 + 1 *)
+ (perform (Foo 3)) (* 3 + 1 *)
let r =
try_with f ()
{ effc = fun (type a) (e : a t) ->
match e with
| Foo i -> Some (fun (k : (a, _) continuation) ->
try_with (continue k) (i + 1)
{ effc = fun (type a) (e : a t) ->
match e with
| Foo i -> Some (fun k -> failwith "NO")
| _ -> None })
| e -> None }
let () = Printf.printf "%d\n" r
|
