[OOP]重载关系操作符

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

class Fraction
{
public:
    Fraction(): num(1), den(1)
    {
    }
    Fraction(int n, int d) : num(n), den(d)
    {
    }

    bool operator == (const Fraction& other)
    {
        if(num * other.den  == den * other.num)
        {
            return true;
        }
        return false;
    }

public:
    int num;
    int den;
};


int main()
{
    Fraction fa(2, 3);
    Fraction fb(4, 6); // 4/6 2/3
    if(fa == fb)
    {
        printf("equal\n");
    }
    else
    {
        printf("not equal\n");
    }

    return 0;
}