| #![feature(async_closure)] | |
| //@ edition:2021 | |
| fn foo<X>(x: impl FnOnce() -> Box<X>) {} | |
| // just to make sure async closures can still be suggested for boxing. | |
| fn bar<X>(x: Box<dyn FnOnce() -> X>) {} | |
| fn main() { | |
| foo(async move || {}); //~ ERROR mismatched types | |
| bar(async move || {}); //~ ERROR mismatched types | |
| } |