#include<iostream> using namespace std; class MyInteger { public: MyInteger() { m_Num = 0; } //重载前置递增运算符 MyInteger& operator++() { m_Num++; return *this; } //重载后置递增运算符 MyInteger operator++(int) { MyInteger tmp = *this; m_Num++; return tmp; } friend ostream& operator<<(ostream& cout, const MyInteger& myint); private: int m_Num; }; ostream& operator<<(ostream& cout, const MyInteger& myint) { cout << myint.m_Num; return cout; } int main() { MyInteger myint; cout << ++++++myint << endl;//输出3 cout << myint << endl;//输出3 cout << myint++++++ << endl;//输出3 cout << myint << endl;//输出4 system("pause"); return 0; }
原文链接: https://www.cnblogs.com/lyt888/p/12489142.html
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