rust/tests/ui/borrowck/alias-liveness/higher-ranked.rs
2024-02-16 20:02:50 +00:00

17 lines
353 B
Rust

//@ check-pass
trait Captures<'a> {}
impl<T> Captures<'_> for T {}
trait Outlives<'a>: 'a {}
impl<'a, T: 'a> Outlives<'a> for T {}
// Test that we treat `for<'a> Opaque: 'a` as `Opaque: 'static`
fn test<'o>(v: &'o Vec<i32>) -> impl Captures<'o> + for<'a> Outlives<'a> {}
fn opaque_doesnt_use_temporary() {
let a = test(&vec![]);
}
fn main() {}