alindeman · March 31, 2013 02:48
diff --git a/object_id.rb b/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
	# 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