gistfile1.txt

struct S<'a> {
    a: &'a (),
}

impl<'a> S<'a> {
    fn feed(&self, data: &'a [u8]) {
        drop(data);
    }
    
    fn get_a(&self) -> &() {
        self.a
    }
}

fn main() {
    let a = &();
    let s = S { a };
    
    let data = vec![b'x', b'x'];
    
    s.feed(&data);
    drop(data);
    
    dbg!(s.get_a());
    
}