(***********************************************************************) (* *) (* OCaml *) (* *) (* Alain Frisch, LexiFi *) (* *) (* Copyright 2007 Institut National de Recherche en Informatique et *) (* en Automatique. All rights reserved. This file is distributed *) (* under the terms of the Q Public License version 1.0. *) (* *) (***********************************************************************) let x = ref 0 let () = Api.reg_mod "Plugin_ref"; Api.add_cb (fun () -> Printf.printf "current value for ref = %i\n" !x; incr x )