rust/tests/ui/async-await/in-trait/coherence-constrained.rs
2024-02-16 20:02:50 +00:00

25 lines
316 B
Rust

//@ edition: 2021
trait Foo {
type T;
async fn foo(&self) -> Self::T;
}
struct Bar;
impl Foo for Bar {
type T = ();
async fn foo(&self) {}
}
impl Foo for Bar {
//~^ ERROR conflicting implementations of trait `Foo` for type `Bar`
type T = ();
async fn foo(&self) {}
}
fn main() {}