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-rw-r--r--tactics/rewrite.ml48
1 files changed, 1 insertions, 7 deletions
diff --git a/tactics/rewrite.ml4 b/tactics/rewrite.ml4
index 5400827bc..c908f7188 100644
--- a/tactics/rewrite.ml4
+++ b/tactics/rewrite.ml4
@@ -40,18 +40,12 @@ open Compat
(** Typeclass-based generalized rewriting. *)
-let check_required_library d =
- let d' = List.map id_of_string d in
- let dir = make_dirpath (List.rev d') in
- if not (Library.library_is_loaded dir) then
- error ("Library "^(list_last d)^" has to be required first.")
-
let classes_dirpath =
make_dirpath (List.map id_of_string ["Classes";"Coq"])
let init_setoid () =
if is_dirpath_prefix_of classes_dirpath (Lib.cwd ()) then ()
- else check_required_library ["Coq";"Setoids";"Setoid"]
+ else Coqlib.check_required_library ["Coq";"Setoids";"Setoid"]
let proper_class =
lazy (class_info (Nametab.global (Qualid (dummy_loc, qualid_of_string "Coq.Classes.Morphisms.Proper"))))