//@ edition:2018
//@ run-pass
async fn lotsa_lifetimes<'a, 'b, 'c>(a: &'a u32, b: &'b u32, c: &'c u32) -> (&'a u32, &'b u32)
where 'b: 'a
{
let _ = (a, c);
(b, b)
}
fn main() {
let _ = lotsa_lifetimes(&22, &44, &66);