24 lines
416 B
Rust
24 lines
416 B
Rust
|
// check-pass
|
||
|
|
// edition:2021
|
||
|
|
|
||
|
|
#![feature(async_fn_in_trait, return_position_impl_trait_in_trait)]
|
||
|
|
#![allow(incomplete_features)]
|
||
|
|
|
||
|
|
pub trait Foo {
|
||
|
|
async fn bar<'a: 'a>(&'a mut self);
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Foo for () {
|
||
|
|
async fn bar<'a: 'a>(&'a mut self) {}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub trait Foo2 {
|
||
|
|
fn bar<'a: 'a>(&'a mut self) -> impl Sized + 'a;
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Foo2 for () {
|
||
|
|
fn bar<'a: 'a>(&'a mut self) -> impl Sized + 'a {}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {}
|