module Crystal
  class Conveyors
    
    def initialize
      @hash = {}
    end
    
    def [] conveyor_name
      @hash[conveyor_name.to_s] ||= Crystal::Conveyor.new
    end
    
    def method_missing m, &block
      if block
        block.call self[m]
      else
        self[m]
      end
    end
  end
end