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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) *)
(************************************************************************)
type t
val equal : t -> t -> bool
val compare : t -> t -> int
module Self : Map.OrderedType with type t = t
module Set : Set.S with type elt = t and type t = Set.Make(Self).t
val initial : t
val dummy : t
val fresh : unit -> t
val to_string : t -> string
val of_int : int -> t
val to_int : t -> int
val newer_than : t -> t -> bool
(* Attaches to an exception the concerned state id, plus an optional
* state id that is a valid state id before the error.
* Backtracking to the valid id is safe. *)
val add : Exninfo.info -> valid:t -> t -> Exninfo.info
val get : Exninfo.info -> (t * t) option
type ('a,'b) request = {
exn_info : t * t;
stop : t;
document : 'b;
loc : Loc.t option;
uuid : 'a;
name : string
}
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