rust/tests/ui/late-bound-lifetimes/issue-36381.rs
2024-02-16 20:02:50 +00:00

26 lines
549 B
Rust

//@ run-pass
// Regression test for #36381. The monomorphization collector was asserting that
// there are no projection types, but the `<&str as
// StreamOnce>::Position` projection contained a late-bound region,
// and we don't currently normalize in that case until the function is
// actually invoked.
pub trait StreamOnce {
type Position;
}
impl<'a> StreamOnce for &'a str {
type Position = usize;
}
pub fn parser<F>(_: F) {
}
fn follow(_: &str) -> <&str as StreamOnce>::Position {
panic!()
}
fn main() {
parser(follow);
}