mirror of https://github.com/rust-lang/rust
30 lines
712 B
Rust
30 lines
712 B
Rust
//@ revisions: e2021 e2024
|
|
//@[e2021] edition: 2021
|
|
//@[e2021] run-rustfix
|
|
//@[e2024] edition: 2024
|
|
//@[e2024] compile-flags: -Zunstable-options
|
|
//@[e2024] check-pass
|
|
|
|
#![deny(rust_2024_prelude_collisions)]
|
|
trait Meow {
|
|
fn into_future(&self) {}
|
|
}
|
|
impl Meow for Cat {}
|
|
|
|
struct Cat;
|
|
|
|
impl core::future::IntoFuture for Cat {
|
|
type Output = ();
|
|
type IntoFuture = core::future::Ready<()>;
|
|
|
|
fn into_future(self) -> Self::IntoFuture {
|
|
core::future::ready(())
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
Cat.into_future();
|
|
//[e2021]~^ ERROR trait method `into_future` will become ambiguous in Rust 2024
|
|
//[e2021]~| WARN this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
|
|
}
|