macosgrove

module ActsAsCsv
  def self.included(base)
    base.extend ClassMethods
  end

  module ClassMethods
    def acts_as_csv
      include InstanceMethods
    end
  end

macosgrove

class Tree
  attr_accessor :children, :node_name

  # @param hsh [Hash]
  def initialize(hsh)
     unless hsh.empty?
       @children=[]
       @node_name = hsh.keys.first
       hsh[@node_name].each_pair { |k,v| @children.push(Tree.new(k=>v))  }
     end