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//! This is a regression test for <https://github.com/rust-lang/rust/issues/103507>.
//@ known-bug: #110395
#![feature(type_alias_impl_trait)]
#![feature(const_trait_impl, const_destruct)]
use std::marker::Destruct;
mod foo {
trait T {
type Item;
}
pub type Alias<'a> = impl T<Item = &'a ()>;
struct S;
impl<'a> T for &'a S {
type Item = &'a ();
}
pub const fn filter_positive<'a>() -> &'a Alias<'a> {
&&S
}
}
use foo::*;
const fn with_positive<F: for<'a> ~const Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) {
fun(filter_positive());
}
const fn foo(_: &Alias<'_>) {}
const BAR: () = {
with_positive(foo);
};
fn main() {}
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