new:
int *a = new int[size];
int *a = new int[size];
运算符重载: // 输入输出运算符必须被重载为全局函数!
class Complex
{
public:
int a,b;
};
Complex operator+(Complex &x, Complex &y){ // x+y
Complex c;
c.a = x.a + y.a;
c.b = x.b + y.b;
return c;
}
ostream &operator<<(ostream &os, Complex &x){ //cout<<x<<endl;
os<<x.a<<"+i"<<x.b; // this is to tell the compiler how to put a complex into the outputstream(ostream)
return os;
}
原文链接: https://www.cnblogs.com/XingyingLiu/p/5154532.html
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