unit WatchdogN em.hal/WatchdogN.em 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20package em.hal import WatchdogI module WatchdogN: WatchdogI # ^| Nil implementation of the WatchdogI interface end def didBite() return false end def disable() end def enable(secs, handler) end def pet() end