diff options
Diffstat (limited to 'vernac/classes.ml')
| -rw-r--r-- | vernac/classes.ml | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/vernac/classes.ml b/vernac/classes.ml index e074e44a4..76d427add 100644 --- a/vernac/classes.ml +++ b/vernac/classes.ml @@ -72,7 +72,7 @@ let existing_instance glob g info = let _, r = Term.decompose_prod_assum instance in match class_of_constr Evd.empty (EConstr.of_constr r) with | Some (_, ((tc,u), _)) -> add_instance (new_instance tc info glob c) - | None -> user_err ?loc:(loc_of_reference g) + | None -> user_err ?loc:g.CAst.loc ~hdr:"declare_instance" (Pp.str "Constant does not build instances of a declared type class.") @@ -227,10 +227,9 @@ let new_instance ?(abstract=false) ?(global=false) ?(refine= !refine_instance) let sigma, c = interp_casted_constr_evars env' sigma term cty in Some (Inr (c, subst)), sigma | Some (Inl props) -> - let get_id = - function - | Ident (loc, id') -> CAst.(make ?loc @@ id') - | Qualid (loc,id') -> CAst.(make ?loc @@ snd (repr_qualid id')) + let get_id = CAst.map (function + | Ident id' -> id' + | Qualid id' -> snd (repr_qualid id')) in let props, rest = List.fold_left |