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-rw-r--r--vernac/classes.ml5
1 files changed, 3 insertions, 2 deletions
diff --git a/vernac/classes.ml b/vernac/classes.ml
index 0926c93e57..20cb43b24e 100644
--- a/vernac/classes.ml
+++ b/vernac/classes.ml
@@ -9,6 +9,7 @@
(*i*)
open Names
open Term
+open Constr
open Vars
open Environ
open Nametab
@@ -98,7 +99,7 @@ let type_ctx_instance evars env ctx inst subst =
let id_of_class cl =
match cl.cl_impl with
- | ConstRef kn -> let _,_,l = repr_con kn in Label.to_id l
+ | ConstRef kn -> let _,_,l = Constant.repr3 kn in Label.to_id l
| IndRef (kn,i) ->
let mip = (Environ.lookup_mind kn (Global.env ())).Declarations.mind_packets in
mip.(0).Declarations.mind_typename
@@ -179,7 +180,7 @@ let new_instance ?(abstract=false) ?(global=false) ?(refine= !refine_instance)
Name id ->
let sp = Lib.make_path id in
if Nametab.exists_cci sp then
- user_err ~hdr:"new_instance" (Nameops.pr_id id ++ Pp.str " already exists.");
+ user_err ~hdr:"new_instance" (Id.print id ++ Pp.str " already exists.");
id
| Anonymous ->
let i = Nameops.add_suffix (id_of_class k) "_instance_0" in