// check-pass #![feature(type_alias_impl_trait)] type Bar<'a, 'b> = impl PartialEq> + std::fmt::Debug; fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { i } fn main() { let meh = 42; let muh = 42; assert_eq!(bar(&meh), bar(&muh)); }