rust/tests/ui/async-await/in-trait/async-example.rs

33 lines
579 B
Rust

//@ check-pass
//@ edition: 2021
trait MyTrait {
#[allow(async_fn_in_trait)]
async fn foo(&self) -> i32;
#[allow(async_fn_in_trait)]
async fn bar(&self) -> i32;
}
impl MyTrait for i32 {
async fn foo(&self) -> i32 {
*self
}
async fn bar(&self) -> i32 {
self.foo().await
}
}
fn main() {
let x = 5;
// Calling from non-async context
let _ = x.foo();
let _ = x.bar();
// Calling from async block in non-async context
async {
let _: i32 = x.foo().await;
let _: i32 = x.bar().await;
};
}