libocamlbricks-ocaml-dev 0.90+bzr367-1build1 / usr / lib / ocaml / ocamlbricks / hashset.mli

(* This file is part of our reusable OCaml BRICKS library
   Copyright (C) 2009 Jean-Vincent Loddo

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. *)

(** Polymorphic {e unbounded} sets.
    An encapsulated [('a, unit) Hashtbl.t] is used for quickly answering
    to the membership problem.  *)

type 'a t

val make    : ?size:int -> unit -> 'a t
val mem     : 'a t -> 'a -> bool
val add     : 'a t -> 'a -> unit
val remove  : 'a t -> 'a -> unit
val of_list : 'a list -> 'a t
val uniq    : 'a list -> 'a list

(** {2 Object-oriented interface} *)

class ['a] hashset :
  ?size:int ->
  unit ->
  object
    method add : 'a -> unit
    method mem : 'a -> bool
    method remove : 'a -> unit
  end