代码笔记【记录】

class A{};typedef int (A::*DEFINDE_P)(int);class AA : public A{public:AA(){}int haha(){printf("fuck\n");}int printfA(int a){printf("AA\n");return 0;}};class AB : public A{public:AB(){}int printfB(int a){printf("AB\n");return 0;}};int main(int argc, char* argv[]){DEFINDE_P bb = (DEFINDE_P)&AA::printfA;A* tst = new AB();(tst->*(bb))(1);return 0;}