> "the `a` carries a zero value, or some other value." Or you could return pointers and use `nil` in the error case. Bonus is that it'll then panic if you try

> "the `a` carries a zero value, or some other value." Or you could return pointers and use `nil` in the error case. Bonus is that it'll then panic if you try to use it without checking the error. (Yes, I know, it makes everything else a faff and is a silly idea.)