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alindeman/object_id.rb

Created March 31, 2013 02:48
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object_id.rb
# jruby 1.7.4.dev (1.9.3p392) 2013-03-30 fffffff on Java HotSpot(TM) 64-Bit Server VM 1.7.0_15-b03 [darwin-x86_64]
Object.__id__
Object.instance_variable_set(:@foo, "foo")
o = Object.new
o.__id__
o.instance_variable_set(:@foo, "foo")
p o.__id__ # => 2002
p o.dup.__id__ # => 2002
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