@[ifffer_2137](/user/677440) 什么意思，是指
```
struc data {
int v;
void work(){}
int operator+() const {
work();
return v;
}
}
```
吗
by As_Snow @ 2024-04-20 19:42:24
@[As_Snow](/user/548999) 差不多，我想重载比较运算符，调用的函数返回int
by ifffer_2137 @ 2024-04-20 20:03:54
@[ifffer_2137](/user/677440)
```cpp
int operation< (const int, const int){
int f(){
...
}
}
```
by xpg007 @ 2024-04-20 21:14:30
用 `friend` 也行，建议 bdfs
by fight_for_humanity @ 2024-04-20 21:29:17