(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

open Names
open Constr
open Tacmach

val catchable : exn -> bool

val set_typeclasses_debug : bool -> unit
val get_typeclasses_debug : unit -> bool

val set_typeclasses_depth : int option -> unit
val get_typeclasses_depth : unit -> int option

val progress_evars : unit Proofview.tactic -> unit Proofview.tactic

val typeclasses_eauto : ?only_classes:bool -> ?st:transparent_state ->
  Hints.hint_db_name list -> tactic

val head_of_constr : Id.t -> Term.constr -> unit Proofview.tactic

val not_evar : constr -> unit Proofview.tactic

val is_ground : constr -> tactic

val autoapply : constr -> Hints.hint_db_name -> tactic