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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: hashcons.mli 5920 2004-07-16 20:01:26Z herbelin $ i*)
(* Generic hash-consing. *)
module type Comp =
sig
type t
type u
val hash_sub : u -> t -> t
val equal : t -> t -> bool
val hash : t -> int
end
module type S =
sig
type t
type u
val f : unit -> (u -> t -> t)
end
module Make(X:Comp) : (S with type t = X.t and type u = X.u)
val simple_hcons : (unit -> 'u -> 't -> 't) -> ('u -> 't -> 't)
val recursive_hcons : (unit -> ('t -> 't) * 'u -> 't -> 't) -> ('u -> 't -> 't)
val recursive_loop_hcons :
(unit -> ('t -> 't) * 'u -> 't -> 't) -> ('u -> 't -> 't)
val recursive2_hcons :
(unit -> ('t1 -> 't1) * ('t2 -> 't2) * 'u1 -> 't1 -> 't1) ->
(unit -> ('t1 -> 't1) * ('t2 -> 't2) * 'u2 -> 't2 -> 't2) ->
'u1 -> 'u2 -> ('t1 -> 't1) * ('t2 -> 't2)
(* Declaring and reinitializing global hash-consing functions *)
val init : unit -> unit
val register_hcons : ('u -> 't -> 't) -> ('u -> 't -> 't)
module Hstring : (S with type t = string and type u = unit)
module Hobj : (S with type t = Obj.t and type u = (Obj.t -> Obj.t) * unit)
val string : string -> string
val obj : Obj.t -> Obj.t
val magic_hash : 'a -> 'a
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