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edthix/robots_with_class_eval.rb

Created October 24, 2009 07:43
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robots_with_class_eval.rb
# Robots with class_eval
class Robot
end
def add_machinegun_to_robots
Robot.class_eval %Q(
def machine_guns
p "I'm loaded with machine gun"
end
)
end
robot1 = Robot.new
add_machinegun_to_robots
robot1.machine_guns # I'm loaded with machine gun
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