| //@ revisions: old new | |
| //@[old] edition:2015 | |
| //@[new] edition:2021 | |
| //@[new] run-rustfix | |
| #![deny(bare_trait_objects)] | |
| fn ord_prefer_dot(s: String) -> impl Ord { | |
| //[new]~^ ERROR expected a type, found a trait | |
| //[old]~^^ ERROR the trait `Ord` is not dyn compatible | |
| //[old]~| ERROR trait objects without an explicit `dyn` are deprecated | |
| //[old]~| WARNING this is accepted in the current edition (Rust 2015) | |
| (s.starts_with("."), s) | |
| } | |
| fn main() { | |
| let _ = ord_prefer_dot(String::new()); | |
| } |