(***********************************************************************)
(*                                                                     *)
(*                               TAToo                                 *)
(*                                                                     *)
(*                     Kim Nguyen, LRI UMR8623                         *)
(*                   Université Paris-Sud & CNRS                       *)
(*                                                                     *)
(*  Copyright 2010-2012 Université Paris-Sud and Centre National de la *)
(*  Recherche Scientifique. All rights reserved.  This file is         *)
(*  distributed under the terms of the GNU Lesser General Public       *)
(*  License, with the special exception on linking described in file   *)
(*  ../LICENSE.                                                        *)
(*                                                                     *)
(***********************************************************************)

open Format

include Ptset.Make (Hcons.PosInt)

let print ppf s =
  if is_empty s
  then fprintf ppf "ø"
  else
    let p_set ppf s =
      (Pretty.print_list ~sep:"," (State.print)) ppf (elements s) in
    fprintf ppf "{%a}" p_set s