1 overload a operator of a class, you can only use one para., this pointer is automatically used.
class Rational { public: //not correct since this ponit would be used automatically. //Rational operator+ (const Rational& lhs, const Rational& rhs); //correct Rational operator+ (const Rational& rhs); }
2 outside the class two para are allowed
Rational operator+(const Rational& lhs, const Rational& rhs))
作为类的成员函数,重载运算符只能有一个参数,布布扣,bubuko.com
时间: 2024-10-05 02:34:05