File: test2.ml

package info (click to toggle)
js-of-ocaml 5.9.1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 32,020 kB
  • sloc: ml: 91,250; javascript: 57,289; ansic: 315; makefile: 271; lisp: 23; sh: 6; perl: 4
file content (30 lines) | stat: -rw-r--r-- 625 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
(* TEST
 *)

open Printf
open Effect
open Effect.Deep

type _ t += E : int -> int t

let f () =
  printf "perform effect (E 0)\n%!";
  let v = perform (E 0) in
  printf "perform returns %d\n%!" v;
  v + 1

let h : type a. a t -> ((a, 'b) continuation -> 'b) option = function
  | E v -> Some (fun k ->
      printf "caught effect (E %d). continuing..\n%!" v;
      let v = continue k (v + 1) in
      printf "continue returns %d\n%!" v;
      v + 1)
  | e -> None

let v =
  match_with f ()
  { retc = (fun v -> printf "done %d\n%!" v; v + 1);
    exnc = (fun e -> raise e);
    effc = h }

let () = printf "result=%d\n%!" v