anyMap.ml1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42(*********************************************************************************) (* OCaml-RDF *) (* *) (* Copyright (C) 2012-2024 Institut National de Recherche en Informatique *) (* et en Automatique. All rights reserved. *) (* *) (* This program is free software; you can redistribute it and/or modify *) (* it under the terms of the GNU Lesser General Public License version *) (* 3 as published by the Free Software Foundation. *) (* *) (* 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, write to the Free Software *) (* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA *) (* 02111-1307 USA *) (* *) (* Contact: Maxence.Guesdon@inria.fr *) (* *) (*********************************************************************************) type k = .. let compare_funs : (k -> k -> int option) list ref = ref [] let register_compare f = compare_funs := f :: !compare_funs let compare = let rec iter a b = function | [] -> Stdlib.compare a b | f :: q -> match f a b with | None -> iter a b q | Some n -> n in fun a b -> iter a b !compare_funs module O = struct type t = k let compare = compare end include (Map.Make(O) : Map.S with type key = k)