move comment into unreachable!
@@ -397,8 +397,7 @@ impl<'comments> Formatter<'comments> {
Some(_) => concat(Itertools::intersperse(
comments.map(|c| match c {
Some(c) => "///".to_doc().append(Document::String(c.to_string())),
- // empty lines have been dropped by pop_doc_comments
- None => unreachable!(),
+ None => unreachable!("empty lines dropped by pop_doc_comments"),
}),
line(),
))
