Imported Upstream version 8.9.0upstream/8.9.0upstream

1 files changed, 32 insertions, 0 deletions

diff --git a/plugins/ltac/g_eqdecide.mlg b/plugins/ltac/g_eqdecide.mlg
new file mode 100644
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+++ b/plugins/ltac/g_eqdecide.mlg
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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)         *)
+(************************************************************************)
+
+(************************************************************************)
+(*                              EqDecide                               *)
+(*   A tactic for deciding propositional equality on inductive types   *)
+(*                           by Eduardo Gimenez                        *)
+(************************************************************************)
+
+{
+
+open Eqdecide
+open Stdarg
+
+}
+
+DECLARE PLUGIN "ltac_plugin"
+
+TACTIC EXTEND decide_equality
+| [ "decide" "equality" ] -> { decideEqualityGoal }
+END
+
+TACTIC EXTEND compare
+| [ "compare" constr(c1) constr(c2) ] -> { compare c1 c2 }
+END