mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
26 lines
339 B
Rust
26 lines
339 B
Rust
// check-pass
|
|
|
|
#![feature(specialization)]
|
|
#![feature(lint_reasons)]
|
|
#![allow(incomplete_features)]
|
|
|
|
pub trait Foo {
|
|
fn bar(&self) -> impl Sized;
|
|
}
|
|
|
|
impl<U> Foo for U
|
|
where
|
|
U: Copy,
|
|
{
|
|
#[expect(refining_impl_trait)]
|
|
fn bar(&self) -> U {
|
|
*self
|
|
}
|
|
}
|
|
|
|
impl Foo for i32 {}
|
|
|
|
fn main() {
|
|
let _: i32 = 1i32.bar();
|
|
}
|