3 // normalize-stderr-test "note: .*\n\n" -> ""
4 // normalize-stderr-test "thread 'rustc' panicked.*\n" -> ""
5 // rustc-env:RUST_BACKTRACE=0
7 #![feature(type_alias_impl_trait)]
8 #![feature(const_trait_impl)]
9 #![feature(const_refs_to_cell)]
10 #![feature(inline_const)]
12 use std::marker::Destruct;
18 type Alias<'a> = impl T<Item = &'a ()>;
21 impl<'a> T for &'a S {
25 const fn filter_positive<'a>() -> &'a Alias<'a> {
29 const fn with_positive<F: ~const for<'a> Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) {
30 fun(filter_positive());
33 const fn foo(_: &Alias<'_>) {}