1(* ========================================================================= *) 2(* mlibPatricia: Maps over integers implemented as mlibPatricia trees. *) 3(* Copyright (c) 2000 Jean-Christophe Filliatre, 2001 Michael Norrish *) 4(* *) 5(* This software is free software; you can redistribute it and/or *) 6(* modify it under the terms of the GNU Library General Public *) 7(* License version 2, as published by the Free Software Foundation. *) 8(* *) 9(* This software is distributed in the hope that it will be useful, *) 10(* but WITHOUT ANY WARRANTY; without even the implied warranty of *) 11(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *) 12(* ========================================================================= *) 13 14signature mlibPatricia = 15sig 16 17type 'a t 18 19type key = int 20exception NotFound 21 22val empty : 'a t 23val add : key -> 'a -> 'a t -> 'a t 24val addf : ('a -> 'a) -> key -> 'a -> 'a t -> 'a t 25val find : key -> 'a t -> 'a 26val remove : key -> 'a t -> 'a t 27val mem : key -> 'a t -> bool 28val app : (key * 'a -> unit) -> 'a t -> unit 29val map : ('a -> 'b) -> 'a t -> 'b t 30val mapi : (key -> 'a -> 'b) -> 'a t -> 'b t 31val fold : (key * 'a * 'b -> 'b) -> 'b -> 'a t -> 'b 32val getItem : 'a t -> ((key * 'a) * 'a t) option 33val size : 'a t -> int 34 35end 36