| // edition: 2021 |
| // revisions: cfg no |
| |
| // [no] check-pass |
| // Since we're not adding new syntax, `cfg`'d out RTN must pass. |
| |
| |
| trait Trait { |
| #[allow(async_fn_in_trait)] |
| async fn m(); |
| } |
| |
| #[cfg(cfg)] |
| fn foo<T: Trait<m(): Send>>() {} |
| //[cfg]~^ ERROR return type notation is experimental |
| //[cfg]~| ERROR parenthesized generic arguments cannot be used in associated type constraints |
| //[cfg]~| ERROR associated type `m` not found for `Trait` |
| //[no]~^^^^ WARN return type notation is experimental |
| //[no]~| WARN unstable syntax can change at any point in the future, causing a hard error! |
| |
| fn main() {} |
