//@ edition: 2018 // This is `no-borrow-from-env.rs`, but under edition 2018 we still want to make // sure that we don't ICE or anything, even if precise closure captures means // that we can't actually borrowck successfully. fn outlives<'a>(_: impl Sized + 'a) {} async fn call_once(f: impl AsyncFnOnce()) { f().await; } fn simple<'a>(x: &'a i32) { let c = async || { println!("{}", *x); }; //~ ERROR `x` does not live long enough outlives::<'a>(c()); outlives::<'a>(call_once(c)); let c = async move || { println!("{}", *x); }; outlives::<'a>(c()); //~ ERROR `c` does not live long enough outlives::<'a>(call_once(c)); } struct S<'a>(&'a i32); fn through_field<'a>(x: S<'a>) { let c = async || { println!("{}", *x.0); }; //~ ERROR `x` does not live long enough outlives::<'a>(c()); outlives::<'a>(call_once(c)); let c = async move || { println!("{}", *x.0); }; //~ ERROR cannot move out of `x` outlives::<'a>(c()); //~ ERROR `c` does not live long enough outlives::<'a>(call_once(c)); //~ ERROR cannot move out of `c` } fn through_field_and_ref<'a>(x: &S<'a>) { let c = async || { println!("{}", *x.0); }; //~ ERROR `x` does not live long enough outlives::<'a>(c()); outlives::<'a>(call_once(c)); //~ ERROR explicit lifetime required in the type of `x` } fn through_field_and_ref_move<'a>(x: &S<'a>) { let c = async move || { println!("{}", *x.0); }; outlives::<'a>(c()); //~ ERROR `c` does not live long enough outlives::<'a>(call_once(c)); //~ ERROR explicit lifetime required in the type of `x` } fn main() {}