How this addresses the real-world failures from earlier
Stateful transforms are simple objects with member functions that maintain state across calls:
，这一点在heLLoword翻译官方下载中也有详细论述
"Everyone has been dreaming for 40 years of one robot hand to rule the world. A lot of people think it could be the humanoid hand," says Pierce.
spoof(hookedSet, origSet);