C++指向类成员函数的指针

#include <iostream>

using std::cout;
using std::cin;
using std::cerr;
using std::endl;

class Obj
{
public:
    double func(int p1, int p2)
    {
        return (p1+p2);
    }
};

typedef double (Obj::*  /*AS*/FcnPtrType/*(end of name)*/  )( int, int );

int main(int argc, char** argv)
{
    double (Obj::* fontPtr)(int, int) = &Obj::func;
    Obj obj;
    cout << (obj.*fontPtr)(3, 7) << endl;
    
    system("pause");
    return 0;
}