1 (* Copyright (C) 2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
26 module type EqualityIndex =
28 module PosEqSet : Set.S with type elt = Utils.pos * Equality.equality
29 type t = Discrimination_tree.Make(Cic_indexable.CicIndexable)(PosEqSet).t
31 val retrieve_generalizations : t -> Cic.term -> PosEqSet.t
32 val retrieve_unifiables : t -> Cic.term -> PosEqSet.t
33 val init_index : unit -> unit
34 val remove_index : t -> Equality.equality -> t
35 val index : t -> Equality.equality -> t
36 val in_index : t -> Equality.equality -> bool
37 val iter : t -> (Cic_indexable.CicIndexable.constant_name Discrimination_tree.path -> PosEqSet.t -> unit) -> unit
40 module DT : EqualityIndex
41 module PT : EqualityIndex