56 lines
1.1 KiB
Rust
56 lines
1.1 KiB
Rust
// known-bug: #110395
|
|
#![allow(incomplete_features)]
|
|
#![feature(
|
|
associated_type_bounds,
|
|
const_trait_impl,
|
|
const_cmp,
|
|
return_position_impl_trait_in_trait,
|
|
)]
|
|
|
|
use std::marker::Destruct;
|
|
|
|
const fn cmp(a: &impl ~const PartialEq) -> bool {
|
|
a == a
|
|
}
|
|
|
|
const fn wrap(x: impl ~const PartialEq + ~const Destruct)
|
|
-> impl ~const PartialEq + ~const Destruct
|
|
{
|
|
x
|
|
}
|
|
|
|
#[const_trait]
|
|
trait Foo {
|
|
fn huh() -> impl ~const PartialEq + ~const Destruct + Copy;
|
|
}
|
|
|
|
impl const Foo for () {
|
|
fn huh() -> impl ~const PartialEq + ~const Destruct + Copy {
|
|
123
|
|
}
|
|
}
|
|
|
|
const _: () = {
|
|
assert!(cmp(&0xDEADBEEFu32));
|
|
assert!(cmp(&()));
|
|
assert!(wrap(123) == wrap(123));
|
|
assert!(wrap(123) != wrap(456));
|
|
let x = <() as Foo>::huh();
|
|
assert!(x == x);
|
|
};
|
|
|
|
#[const_trait]
|
|
trait T {}
|
|
struct S;
|
|
impl const T for S {}
|
|
|
|
const fn rpit() -> impl ~const T { S }
|
|
|
|
const fn apit(_: impl ~const T + ~const Destruct) {}
|
|
|
|
const fn rpit_assoc_bound() -> impl IntoIterator<Item: ~const T> { Some(S) }
|
|
|
|
const fn apit_assoc_bound(_: impl IntoIterator<Item: ~const T> + ~const Destruct) {}
|
|
|
|
fn main() {}
|