AutoVivifying OpenStruct

avos.rb

module AutoVivifying
  def method_missing name, *args
    if name.to_s !~ /\=$/
      self.send(:"#{name}=", self.class.new)
    else
      super
    end
  end
end

require 'ostruct'
class AVOpenStruct < OpenStruct
  include AutoVivifying
end

sweedish = AVOpenStruct.new
sweedish.chef.bork.bork.bork = 'bork!'
puts sweedish.chef.bork.bork.bork