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|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(** Dynamically typed values *)
module type TParam =
sig
type 'a t
end
module type MapS =
sig
type t
type 'a obj
type 'a key
val empty : t
val add : 'a key -> 'a obj -> t -> t
val remove : 'a key -> t -> t
val find : 'a key -> t -> 'a obj
val mem : 'a key -> t -> bool
type any = Any : 'a key * 'a obj -> any
type map = { map : 'a. 'a key -> 'a obj -> 'a obj }
val map : map -> t -> t
val iter : (any -> unit) -> t -> unit
val fold : (any -> 'r -> 'r) -> t -> 'r -> 'r
end
module type S =
sig
type 'a tag
type t = Dyn : 'a tag * 'a -> t
val create : string -> 'a tag
val eq : 'a tag -> 'b tag -> ('a, 'b) CSig.eq option
val repr : 'a tag -> string
type any = Any : 'a tag -> any
val name : string -> any option
module Map(M : TParam) : MapS with type 'a obj = 'a M.t with type 'a key = 'a tag
val dump : unit -> (int * string) list
module Easy : sig
(* To create a dynamic type on the fly *)
val make_dyn_tag : string -> ('a -> t) * (t -> 'a) * 'a tag
val make_dyn : string -> ('a -> t) * (t -> 'a)
(* For types declared with the [create] function above *)
val inj : 'a -> 'a tag -> t
val prj : t -> 'a tag -> 'a option
end
end
module Make () : S
|
