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zlx/instance_of_and_is_a.rb

Created July 18, 2012 14:09
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instance_of? and is_a?
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instance_of_and_is_a.rb
# test is_a? and instance_of? methods
# instance_of? ignore the superclass
class SuperClass; end
class ChildClass < SuperClass ; end
b = ChildClass.new
puts b, b.instance_of?(SuperClass), b.is_a?(SuperClass)
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