rust/tests/ui/specialization/assoc-ty-graph-cycle.rs
2024-02-16 20:02:50 +00:00

26 lines
438 B
Rust

//@ check-pass
// Make sure we don't crash with a cycle error during coherence.
#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
trait Trait<T> {
type Assoc;
}
impl<T> Trait<T> for Vec<T> {
default type Assoc = ();
}
impl Trait<u8> for Vec<u8> {
type Assoc = u8;
}
impl<T> Trait<T> for String {
type Assoc = ();
}
impl Trait<<Vec<u8> as Trait<u8>>::Assoc> for String {}
fn main() {}