> So you would use int if your expression can yield a negative value. Of course, but as you say it yourself: if. It seems a bit too general to abandon unsigned

> So you would use int if your expression can yield a negative value. Of course, but as you say it yourself: if. It seems a bit too general to abandon unsigned completely because there are cases where it is not appropriate. By that logic there wouldn't be much types one can use at all.