#include <iostream>
using namespace std;
class complex {
public:
complex();
complex(double real, double imag);
public:
//声明运算符重载
complex operator+(const complex& A) const;
void display() const;
private:
double m_real; //实部
double m_imag; //虚部
};
complex::complex() : m_real(0.0), m_imag(0.0) { }
complex::complex(double real, double imag) : m_real(real), m_imag(imag) { }
//实现运算符重载
complex complex::operator+(const complex& A) const {
complex B;
B.m_real = this->m_real + A.m_real;
B.m_imag = this->m_imag + A.m_imag;
return B;
}
void complex::display() const {
cout << m_real << " + " << m_imag << "i" << endl;
}
int main() {
complex c1(4.3, 5.8);
complex c2(2.4, 3.7);
complex c3;
c3 = c1 + c2;
c3.display();
return 0;
}
关于这道运算符重载的问题,我想请问一下,当执行到这步
```c++
c3 = c1 + c2;
```以后,在这道题中,this指针的工作原理原理是什么,包括这个this指针指的对象是什么,以及为什么会指向该对象,