binary_tree_demo.rb

#---
# Excerpted from "Mazes for Programmers",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material, 
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/jbmaze for more book information.
#---
require 'grid'
require 'binary_tree'

grid = Grid.new(4, 4)
BinaryTree.on(grid)

puts grid