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-rw-r--r--pretyping/typeclasses.mli6
1 files changed, 3 insertions, 3 deletions
diff --git a/pretyping/typeclasses.mli b/pretyping/typeclasses.mli
index 8e1c2a92..83ae84a5 100644
--- a/pretyping/typeclasses.mli
+++ b/pretyping/typeclasses.mli
@@ -1,12 +1,12 @@
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *)
+(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
-(*i $Id: typeclasses.mli 13323 2010-07-24 15:57:30Z herbelin $ i*)
+(*i $Id: typeclasses.mli 14641 2011-11-06 11:59:10Z herbelin $ i*)
(*i*)
open Names
@@ -75,7 +75,7 @@ val is_implicit_arg : hole_kind -> bool
(* Returns the term and type for the given instance of the parameters and fields
of the type class. *)
-val instance_constructor : typeclass -> constr list -> constr * types
+val instance_constructor : typeclass -> constr list -> constr option * types
(* Use evar_extra for marking resolvable evars. *)
val bool_in : bool -> Dyn.t