- let bs: SmallVec<[String; 2]> =
- bs.iter().map(|r| format!("{}", r)).collect();
- diag.help(&format!("add bound `{}: {}`", a, bs.join(" + ")));
+ let bs: SmallVec<[String; 2]> = bs.iter().map(|r| r.to_string()).collect();
+ diag.help(&format!("add bound `{a}: {}`", bs.join(" + ")));