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//@ aux-build:block-on.rs
//@ edition: 2021
//@ run-pass
//@ check-run-results
#![allow(refining_impl_trait)]
#![feature(async_fn_in_dyn_trait)]
//~^ WARN the feature `async_fn_in_dyn_trait` is incomplete
extern crate block_on;
use std::pin::Pin;
use std::future::Future;
trait AsyncTrait {
async fn async_dispatch(&self);
}
impl AsyncTrait for &'static str {
fn async_dispatch(&self) -> Pin<Box<impl Future<Output = ()>>> {
Box::pin(async move {
println!("message from the aether: {self}");
})
}
}
fn main() {
block_on::block_on(async {
let x: &dyn AsyncTrait = &"hello, world!";
x.async_dispatch().await;
});
}
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