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#!/usr/bin/env ruby require 'singleton' module Terminator class Head include Singleton @bonked = false class << self def injured? @bonked end def bonk @bonked = !@bonked return "Ouch!" end end end class Mission def initialize @missions = { :usual => "Kill John Connor", :opposite => "Protect John Connor" } @accomplished = false end def perform x = (Terminator::Head.injured? ? :opposite : :usual) puts "Executing mission: #{@missions[x]}"; while !@accomplished # do what it takes end puts "Mission accomplished." return true end end end

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