Using the missing method

suggest change

class Animal
  def method_missing(method, *args, &block)
    say, speak = method.to_s.split("_")
    if say == "say"
      speak
    else
      super
    end
  end
end

=> a = Animal.new
=> a.say_moo
=> "moo"
=> a.shout_moo
=> NoMethodError: undefined method `shout_moo'

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