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kwstannard/gist:3615940

Created September 4, 2012 02:38
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gistfile1.rb
refinement Runner
def run
puts "I have legs and I am running"
end
end
object = Object.new
do
object.refine Runner
object.run
#=> I have legs and I am running
Object.refine Runner
Object.new.run
#=> I have legs and I am running
Object.instance_eval "refine Runner"
Object.run
#=> I have legs and I am running
end
object.run
#=> NoMethodError
Object.new.run
#=> NoMethodError
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