64,637
社区成员
发帖
与我相关
我的任务
分享
#pragma once
class A{
public:
A(){}
int v() const {return m_v;}
void setV(const int v) {m_v = v;}
protected:
int m_v = 0;
};
#pragma once
class A;
class B{
public:
void fun(A * pA);
};
#include "B.h"
#include "A.h"
#include <iostream>
void B::fun(A * pA)
{
std::cout<<pA->v();
}