42 lines
583 B
C++
42 lines
583 B
C++
// 运算符重载
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// + 运算符
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#include <iostream>
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#include <cstring>
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#include <cstdlib>
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using namespace std;
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class A
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{
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private:
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int x;
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public:
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explicit A(int x)
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{
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this->x = x;
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}
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void show()
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{
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cout << x << endl;
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}
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// + 运算符重载，类成员函数，双目运算符，只需要一个参数
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A *operator+(A &other);
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};
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A *A::operator+(A &other)
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{
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A *tmp = new A(this->x + other.x);
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return tmp;
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}
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int main()
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{
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A a1(5), a2(6);
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a1.show();
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A *a3 = a1 + a2;
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a3->show();
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delete a3;
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return 0;
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}
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