\insert 'fig4_27.oz' declare fun lazy {Ints N} {Delay 1000} N|{Ints N+1} end In = {Ints 1} Out = {Buffer2 In 5} {Browse Out} {Browse Out.1} {Browse Out.2.2.2.2.2.2.2.2.2} {Browse Out.2.2.2.2.2.2.2.2.1} {Browse Out.2.2.2.2.2.2.2.2.2.2.2.2.1}