rust/tests/ui/specialization/issue-38091.rs
2023-01-11 09:32:08 +00:00

25 lines
453 B
Rust

#![feature(specialization)]
//~^ WARN the feature `specialization` is incomplete
trait Iterate<'a> {
type Ty: Valid;
fn iterate(self);
}
impl<'a, T> Iterate<'a> for T
where
T: Check,
{
default type Ty = ();
//~^ ERROR the trait bound `(): Valid` is not satisfied
default fn iterate(self) {}
}
trait Check {}
impl<'a, T> Check for T where <T as Iterate<'a>>::Ty: Valid {}
trait Valid {}
fn main() {
Iterate::iterate(0);
}