c++结构体常用运算符重载

[c++]代码库

#include<iostream>
using namespace std;
struct node 
{
	int x,y;
	node (int x=0,int y=0):x(x),y(y){}
	//重载输入输出，即cin>>node,cout<<node;
	friend ostream& operator << (ostream &out ,const node &p)
	{
		out<<p.x<<" "<<p.y<<endl;
		return out;
	}
	friend istream& operator >>(istream &in,node &p)
	{
		in>>p.x>>p.y;
		return in;
	}
	//重载结构体比较用于  1.优先级队列
	bool operator <(const node &p)const
	{
		return x<p.x;
	}
	//重载结构体比较（两个参数）
	friend bool operator >(const node &a,const node &b)
	{
		return a.x>b.x;
	}
	//重载结构体＋,node=node_1+node_2
	friend node operator + (const node &a,const node &b)
	{
		return node (a.x+b.x,a.y+b.y);
	}
};
int main()
{
	return 0;
}