# Module type Traverse.G

    module type G = sig .. end

Minimal graph signature for `Traverse.Dfs` and `Traverse.Bfs`. Sub-signature of `Sig.G`.

    val is_directed : bool

    type t

    module V: Sig.COMPARABLE

    val iter_vertex : (V.t -> unit) -> t -> unit

    val fold_vertex : (V.t -> 'a -> 'a) -> t -> 'a -> 'a

    val iter_succ : (V.t -> unit) -> t -> V.t -> unit

    val fold_succ : (V.t -> 'a -> 'a) -> t -> V.t -> 'a -> 'a