operator ->重载是怎么做到的?

https://stackoverflow.com/questions/8777845/overloading-member-access-operators-c

struct client     { int a; };  struct proxy {     client *target;     client *operator->() const         { return target; } };  struct proxy2 {     proxy *target;     proxy &operator->() const         { return * target; } };  void f() {     client x = { 3 };     proxy y = { & x };     proxy2 z = { & y };      std

并非如普通操作符一样在class内部定义一个函数做重载,而是通过一个代理类.

来源：博客园

作者：sdu20112013

链接：https://www.cnblogs.com/sdu20112013/p/11440680.html