Module DGraphTreeModel.S.TreeManipulation

module TreeManipulation: sig .. end

type t 
val get_structure : t -> Tree.t
val get_tree_vertices : Tree.V.label -> t -> Tree.V.t list
val get_graph_vertex : Tree.V.t -> t -> Tree.V.label
val is_ghost_node : Tree.V.t -> t -> bool
val is_ghost_edge : Tree.E.t -> t -> bool