//运算符重载.关键词 operator ,把两个对象相加
//它把两个 overload_3 c1和c2的对象的属性相加，并返回相加后的overload_3对象
//必须加static
public static overload_3 /*这里的overload是返回类型*/ operator +(overload_3 c1, overload_3 c2)
{
overload_3 c = new overload_3();
c.num = c1.num + c2.num;
return(c);
}
// Use this for initialization
void Start()
{
overload_1 ne = new overload_1();
int u = ne.Sakura(2, 3);
print(u);
overload_3 c = new overload_3();
overload_3 c1 = new overload_3();
overload_3 c2 = new overload_3();
c1.num = 25;
c2.num = 534;
c = c1 + c2;
print(c.num);
}
