From 9043add656177eeac1491a73d2f3ab92bec0013c Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@debian.org>
Date: Sat, 29 Dec 2018 14:31:27 -0500
Subject: Imported Upstream version 8.8.2

---
 clib/dyn.mli | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 clib/dyn.mli

(limited to 'clib/dyn.mli')

diff --git a/clib/dyn.mli b/clib/dyn.mli
new file mode 100644
index 00000000..51d30914
--- /dev/null
+++ b/clib/dyn.mli
@@ -0,0 +1,68 @@
+(************************************************************************)
+(*         *   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
-- 
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