Module Tree_layout

module Tree_layout: sig .. end

Algorithms to layout trees in a pretty manner.

type pos = {

	`x : float;`
	`y : float;`

}

A position (or a size).

module type S = sig .. end

The output signature for a certain layout engine.

module type TREE = sig .. end

The input signature for Tree_layout.Make

module Make (G : TREE) : S  with type t := G.t
     and type vertex := G.V.t

Define layout engines.