| //@ revisions: rust2015 rust2018 rust2021 | |
| //@[rust2015] edition:2015 | |
| //@[rust2018] edition:2018 | |
| //@[rust2021] edition:2021 | |
| fn main() { | |
| println!('hello world'); | |
| //~^ ERROR unterminated character literal | |
| //[rust2021]~| ERROR prefix `world` is unknown | |
| } |