Closed
Description
Code
code from glacier/fixed/70121.rs
#![feature(type_alias_impl_trait)]
#![allow(private_in_public)]
pub type Successors<'a> = impl Iterator<Item = &'a ()>;
pub fn f<'a>() -> Successors<'a> {
None.into_iter()
}
trait Tr {
type Item;
}
impl<'a> Tr for &'a () {
type Item = Successors<'a>;
}
pub fn ohno<'a>() -> <&'a () as Tr>::Item {
None.into_iter()
}
fn main() {}
Meta
rustc --version --verbose
:
c2ecd3af87477147695aa3f6e1237e3185044e62 built with debug assertions
Error output
rustc ./70121.rs
backtrace does not fit into a single comment :|