diff options
Diffstat (limited to 'toplevel/classes.ml')
| -rw-r--r-- | toplevel/classes.ml | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/toplevel/classes.ml b/toplevel/classes.ml index e4df5acbf..9f3b3343c 100644 --- a/toplevel/classes.ml +++ b/toplevel/classes.ml @@ -492,10 +492,12 @@ let context ?(hook=fun _ -> ()) l = add_instance (Typeclasses.new_instance tc None false cst); hook (ConstRef cst) | None -> () - else - (Command.declare_one_assumption false (Local (* global *), Definitional) t - [] true (* implicit *) true (* always kept *) false (* inline *) (dummy_loc, id); - match class_of_constr t with - None -> () - | Some tc -> hook (VarRef id))) + else ( + let impl = List.exists (fun (x,_) -> match x with ExplByPos (_, Some id') -> id = id' | _ -> false) impls + in + Command.declare_one_assumption false (Local (* global *), Definitional) t + [] impl (* implicit *) true (* always kept *) false (* inline *) (dummy_loc, id); + match class_of_constr t with + | None -> () + | Some tc -> hook (VarRef id))) (List.rev ctx) |