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jasonroelofs/animal.rb

Forked from hackervera/animal.rb
Created September 22, 2010 18:03
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animal.rb
class Animal
def noise(sound, &block)
block.call(sound)
end
end
class Cow < Animal
def moo(&block)
noise("moo", &block)
end
end
animal_noise = lambda {|noise| "This animal goes #{noise}"}
harry = Cow.new
puts harry.moo(&animal_noise)
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