/// |`is_` |`&self` or none |
/// |`to_` |`&self` |
///
-/// **Why is this bad?** Consistency breeds readability. If you follow the conventions, your users won't be surprised that they e.g. need to supply a mutable reference to a `as_..` function.
+/// **Why is this bad?** Consistency breeds readability. If you follow the conventions, your users won't be surprised that they, e.g., need to supply a mutable reference to a `as_..` function.
///
/// **Known problems:** None
///