1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
//@ check-pass
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
//@ edition: 2024
// Regression test for <https://github.com/rust-lang/trait-system-refactor-initiative/issues/185>.
// Avoid unnecessarily computing the RPITIT type of the first impl when checking the WF of the
// second impl, since the first impl relies on the hidden type of the second impl.
use std::future::Future;
trait Handler {}
struct W<T>(T);
trait SendTarget {
fn call(self) -> impl Future<Output = ()> + Send;
}
impl<T> SendTarget for W<T>
where
T: Handler + Send,
{
async fn call(self) {
todo!()
}
}
impl<T> SendTarget for T
where
T: Handler + Send,
{
async fn call(self) {
W(self).call().await
}
}
fn main() {}
|
