module type S =sig
..end
module Tree:Graph.Graphviz.GraphWithDotAttrs
module TreeManipulation:sig
..end
typecluster =
string
class tree_model :XDot.Make(Tree).graph_layout -> TreeManipulation.t ->
[[Tree.V.t, Tree.E.t, cluster]]
DGraphModel.abstract_model
val tree : unit -> TreeManipulation.t