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knowtheory/gist:128777

Created June 12, 2009 17:25
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gistfile1.rb
>> b = Human.get(1)
=> #<Human @id=1 @first_name="Barack" @middle_name=nil @last_name="Obama">
>> b == Human.get(1)
=> true
>> b.middle_name = "Hussein"
=> "Hussein"
>> b == Human.get(1)
=> false
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