rust/tests/ui/rfcs/rfc-2093-infer-outlives/privacy.rs

21 lines
484 B
Rust

// Test that we do not get a privacy error here. Initially, we did,
// because we inferred an outlives predciate of `<Foo<'a> as
// Private>::Out: 'a`, but the private trait is -- well -- private,
// and hence it was not something that a pub trait could refer to.
//
//@ run-pass
#![allow(dead_code)]
pub struct Foo<'a> {
field: Option<&'a <Foo<'a> as Private>::Out>
}
trait Private {
type Out: ?Sized;
}
impl<T: ?Sized> Private for T { type Out = Self; }
fn main() { }