rust/tests/ui/regions/regions-close-object-into-object-1.rs
2023-01-11 09:32:08 +00:00

16 lines
287 B
Rust

#![allow(warnings)]
trait A<T> { }
struct B<'a, T:'a>(&'a (A<T>+'a));
trait X { }
impl<'a, T> X for B<'a, T> {}
fn f<'a, T:'static, U>(v: Box<A<T>+'static>) -> Box<X+'static> {
Box::new(B(&*v)) as Box<X> //~ ERROR cannot return value referencing local data `*v`
}
fn main() {}