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// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty
// revisions: current next
#![feature(return_position_impl_trait_in_trait)]
#![allow(incomplete_features)]
use std::fmt::Display;
trait Foo {
fn bar(&self) -> impl Display;
}
impl Foo for () {
fn bar(&self) -> impl Display {
"Hello, world"
}
}
fn main() {
let x: &str = ().bar();
//~^ ERROR mismatched types
}
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