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-rw-r--r--user-contrib/Ltac2/tac2stdlib.ml4
1 files changed, 4 insertions, 0 deletions
diff --git a/user-contrib/Ltac2/tac2stdlib.ml b/user-contrib/Ltac2/tac2stdlib.ml
index 895b6d3975..c7dfb3e69e 100644
--- a/user-contrib/Ltac2/tac2stdlib.ml
+++ b/user-contrib/Ltac2/tac2stdlib.ml
@@ -572,3 +572,7 @@ end
let () = define_prim3 "tac_typeclasses_eauto" (option strategy) (option int) (option (list ident)) begin fun str n dbs ->
Tac2tactics.typeclasses_eauto str n dbs
end
+
+let () = define_prim2 "tac_unify" constr constr begin fun x y ->
+ Tac2tactics.unify x y
+end