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// build-pass
// edition:2018
// Regression test to ensure we handle debruijn indices correctly in projection
// normalization under binders. Found in crater run for #85499
use std::future::{Future, Ready};
async fn read() {
let _ = connect(&()).await;
}
async fn connect<A: ToSocketAddr>(addr: A) {
let _ = addr.to_socket_addr().await;
}
pub trait ToSocketAddr {
type Future: Future<Output = ()>;
fn to_socket_addr(&self) -> Self::Future;
}
impl ToSocketAddr for &() {
type Future = Ready<()>;
fn to_socket_addr(&self) -> Self::Future {
unimplemented!()
}
}
struct Server;
impl Server {
fn and_then<F>(self, _fun: F) -> AndThen<F> {
unimplemented!()
}
}
struct AndThen<F> {
_marker: std::marker::PhantomData<F>,
}
pub async fn run<F>(_: F) {
}
fn main() {
let _ = async {
let server = Server;
let verification_route = server.and_then(read);
run(verification_route).await;
};
}
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