Yet another small class

compex.pro

SOURCES += \
    main.cpp

main.cpp

#include <iostream>

class Complex
{
public:
    Complex(double real, double imag = 0.0);
    Complex(const Complex &src);

    Complex operator +(const Complex &right) const;

private:
    double m_real;
    double m_imag;

friend std::ostream &operator <<(std::ostream &out, const Complex &self);
};

Complex::Complex(double real, double imag) :
    m_real(real),
    m_imag(imag)
{}

Complex::Complex(const Complex &src) :
    m_real(src.m_real),
    m_imag(src.m_imag)
{}

Complex Complex::operator +(const Complex &right) const
{
    return Complex(m_real + right.m_real, m_imag + right.m_imag);
}

std::ostream &operator <<(std::ostream &out, const Complex &self)
{
    return out << "Complex(" << self.m_real << ", " << self.m_imag << ')';
}

using namespace std;

int main(void)
{
    Complex a = 5;
    Complex b = a;
    Complex c(-5, 1);

    cout << (b + c) << endl;

    return 0;
}