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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
type t = int
external equal : int -> int -> bool = "%eq"
external compare : int -> int -> int = "caml_int_compare"
let hash i = i land 0x3FFFFFFF
module Self =
struct
type t = int
let compare = compare
end
module Set = Set.Make(Self)
module Map =
struct
include CMap.Make(Self)
type 'a map = 'a CMap.Make(Self).t
type 'a _map =
| MEmpty
| MNode of 'a map * int * 'a * 'a map * int
let map_prj : 'a map -> 'a _map = Obj.magic
let rec find i s = match map_prj s with
| MEmpty -> raise Not_found
| MNode (l, k, v, r, h) ->
if i < k then find i l
else if i = k then v
else find i r
end
module List = struct
let mem = List.memq
let assoc = List.assq
let mem_assoc = List.mem_assq
let remove_assoc = List.remove_assq
end
|
