decorators.rb

module MyDecorators
  def limit(max, name)
    tries = 0
    m = instance_method(name)
    define_method(name) do |*args|
      tries += 1
      if tries <= max
        m.bind(self).call(*args)
      else
        raise "LIMITER ENGAGED"
      end
    end
  end

  def only_once(name)
    limit(1, name)
  end
end

class Person
  extend MyDecorators

  limit 10, def talk
    puts "Hi there!"
  end

  only_once def scream
    puts "HIIIIIIIIIIIIIIIIII!"
  end
end

p = Person.new
20.times { p.talk rescue nil }
20.times { p.scream rescue nil }