diff options
Diffstat (limited to 'toplevel/autoinstance.ml')
-rw-r--r-- | toplevel/autoinstance.ml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/toplevel/autoinstance.ml b/toplevel/autoinstance.ml index 62a97281..4a67ede4 100644 --- a/toplevel/autoinstance.ml +++ b/toplevel/autoinstance.ml @@ -1,6 +1,6 @@ (************************************************************************) (* 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 *) @@ -191,7 +191,7 @@ let declare_class_instance gr ctx params = let ident = make_instance_ident gr in let cl = Typeclasses.class_info gr in let (def,typ) = Typeclasses.instance_constructor cl params in - let (def,typ) = it_mkLambda_or_LetIn def ctx, it_mkProd_or_LetIn typ ctx in + let (def,typ) = it_mkLambda_or_LetIn (Option.get def) ctx, it_mkProd_or_LetIn typ ctx in let def = deep_refresh_universes def in let typ = deep_refresh_universes typ in let ce = Entries.DefinitionEntry |