(* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. *) (** Renaming Substitutions: injective maps from variables to variables *) include module type of Subst_intf module Make (Var : VAR) : S with type var := Var.t with type set := Var.Set.t