c++实现委托

#include "stdafx.h"

#include <iostream>
#include <string>
using namespace std;


//自己实现委托
class A {
public:
    void Func(int i) { printf("afff%d
",i); }
};

void (A::*pFunc)(int) = &A::Func;

char (*pFun)(int) ; 
char glFun(int a){ return 'a';} 

int _tmain(int argc, _TCHAR* argv[])
{
    //A a;
    //A* pa = &a;
    //(pa->*pFunc)(11);
    
    pFun = glFun; 
    (*pFun)(2); 
    return 0;
}