| //@ compile-flags: -Znext-solver | |
| //@ edition: 2021 | |
| //@ revisions: pass fail | |
| //@[pass] check-pass | |
| use std::future::Future; | |
| fn needs_async(_: impl Future<Output = i32>) {} | |
| #[cfg(fail)] | |
| fn main() { | |
| needs_async(async {}); | |
| //[fail]~^ ERROR expected `{async block@$DIR/async.rs:12:17: 12:22}` to be a future that resolves to `i32`, but it resolves to `()` | |
| } | |
| #[cfg(pass)] | |
| fn main() { | |
| needs_async(async { 1i32 }); | |
| } |