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(************************************************************************)
(*         *   The Coq Proof Assistant / The Coq Development Team       *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(*   \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)         *)
(************************************************************************)

{

open Ltac_plugin
open Cctac
open Stdarg

}

DECLARE PLUGIN "cc_plugin"

(* Tactic registration *)

TACTIC EXTEND cc
| [ "congruence" ] -> { congruence_tac 1000 [] }
| [ "congruence" natural(n) ] -> { congruence_tac n [] }
| [ "congruence" "with" ne_constr_list(l) ] -> { congruence_tac 1000 l }
| [ "congruence" natural(n) "with" ne_constr_list(l) ] ->
   { congruence_tac n l }
END

TACTIC EXTEND f_equal
| [ "f_equal" ] -> { f_equal }
END