(*
* 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.
*)
(* A directional graph which maintains back edges to facilitate fast traversals in either direction. *)
module Make (Set : Set.S) (Map : WrappedMap.S with type key = Set.elt) :
Graph_sig.S with type elt = Map.key and type map = Set.t Map.t and type set = Set.t