1 A doc comment that is not attached to anything has been encountered.
3 Erroneous code example:
13 A little reminder: a doc comment has to be placed before the item it's supposed
14 to document. So if you want to document the `Island` trait, you need to put a
15 doc comment before it, not inside it. Same goes for the `lost` method: the doc
16 comment needs to be before it: