Channy's blog

//Description: 头文件相互包含

//Create Date: 2018-10-13 13:49:04

//Author: channy

Head_File_Include_Each_Other

class A as usual

//--classA.h 
#include "classB.h"
class A {
public:
    A();
    void action();
private:
    B b;
};


//classA.cpp
A::A() {
    cout << "creat A" << endl;
}
void A::action() {
    cout  << "class A:" << endl;
}

Class B as follow

//classB.h
class A;
class B {
public:
    B();
    void action();
private:
    A *a;
};


//classB.cpp
#include "classA.h"
B::B() {
    cout << "creat B" << endl;
}
void B::action() {
    cout  << "class B:" << endl;
    a->action();
}

-----------------------
main() {
    ...
}

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