-#![doc(html_root_url = "https://doc.rust-lang.org/nightly/",
- html_playground_url = "https://play.rust-lang.org/",
- test(attr(allow(unused_variables), deny(warnings))))]
-
+#![doc(
+ html_root_url = "https://doc.rust-lang.org/nightly/",
+ html_playground_url = "https://play.rust-lang.org/",
+ test(attr(allow(unused_variables), deny(warnings)))
+)]