#[derive(Debug)]
struct Foo<'a>(&'a i32);

impl<'a> Foo<'a> {
    fn foo(self) {
        std::thread::spawn(move || println!("{:?}", self)).join().unwrap();
    }
}

impl Foo<'static> {
    fn bar(self) {
        std::thread::spawn(move || println!("{:?}", self)).join().unwrap();
    }
}