* Seal the representation of states
[tatoo.git] / src / state.mli
1 (***********************************************************************)
2 (*                                                                     *)
3 (*                               TAToo                                 *)
4 (*                                                                     *)
5 (*                     Kim Nguyen, LRI UMR8623                         *)
6 (*                   Université Paris-Sud & CNRS                       *)
7 (*                                                                     *)
8 (*  Copyright 2010-2012 Université Paris-Sud and Centre National de la *)
9 (*  Recherche Scientifique. All rights reserved.  This file is         *)
10 (*  distributed under the terms of the GNU Lesser General Public       *)
11 (*  License, with the special exception on linking described in file   *)
12 (*  ../LICENSE.                                                        *)
13 (*                                                                     *)
14 (***********************************************************************)
15
16 (** Implementation of states *)
17 include module type of Hcons.PosInt
18 include Common_sig.OrderedType with type t := t
19
20 val next : unit -> t
21 val dummy_state : t
22 (** Dummy state that can never be returned by [make ()] *)
23
24 val print : Format.formatter -> t -> unit
25 (** Pretty printer *)