+warning: unnecessary braces around `return` value
+ --> $DIR/unused_braces.rs:55:12
+ |
+LL | return { println!("!") };
+ | ^^ ^^
+ |
+help: remove these braces
+ |
+LL - return { println!("!") };
+LL + return println!("!");
+ |
+
+warning: 6 warnings emitted