| 1. | In a sense , a reference represents a quantum anomaly in the physics of the c object model : they take up space but , except for temporary objects , they are immaterial , they exhibit deep copy on assignment and shallow copy on initialization , and unlike
在某种意义上，引用就是c + +对象模型这种物理学中的量子反常： ( a )它们占用空间，但是除临时对象外，它们是非实体性的； ( b )它们在分配时表现深层副本，而在初始化时表现浅表副本； ( c )与 |
