diff options
| -rw-r--r-- | toplevel/class.ml | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/toplevel/class.ml b/toplevel/class.ml index c9ed58c795..355cdbc9cf 100644 --- a/toplevel/class.ml +++ b/toplevel/class.ml @@ -92,15 +92,12 @@ let explain_coercion_error g = function (* Verifications pour l'ajout d'une classe *) -let rec arity_sort a = match kind_of_term a with - | Sort (Prop _ | Type _) -> 0 - | Prod (_,_,c) -> (arity_sort c) +1 - | LetIn (_,_,_,c) -> arity_sort c (* Utile ?? *) - | Cast (c,_) -> arity_sort c - | _ -> raise Not_found +let rec arity_sort (ctx,a) = match kind_of_term a with + | Sort (Prop _ | Type _) -> List.length ctx let check_reference_arity ref = - try arity_sort (Global.type_of_global ref) + let t = Global.type_of_global ref in + try arity_sort (Reductionops.splay_prod (Global.env()) Evd.empty t) with Not_found -> raise (CoercionError (NotAClass ref)) let check_arity = function |