ruby> class InstTest | def set_foo(n) | @foo = n | end | def set_bar(n) | @bar = n | end | end nil ruby> i = InstTest.new #<InstTest:0x83678> ruby> i.set_foo(2) 2 ruby> i #<InstTest:0x83678 @foo=2> ruby> i.set_bar(4) 4 ruby> i #<InstTest:0x83678 @foo=2, @bar=4>
