1 // rust-lang/rust#52059: Regardless of whether you are moving out of a
2 // Drop type or just introducing an inadvertent alias via a borrow of
3 // one of its fields, it is useful to be reminded of the significance
4 // of the fact that the type implements Drop.
8 pub struct S<'a> { url: &'a mut String }
10 impl<'a> Drop for S<'a> { fn drop(&mut self) { } }
12 fn finish_1(s: S) -> &mut String {
15 //~^^ ERROR borrow may still be in use when destructor runs
17 fn finish_2(s: S) -> &mut String {
18 let p = &mut *s.url; p
20 //~^^ ERROR borrow may still be in use when destructor runs
22 fn finish_3(s: S) -> &mut String {
23 let p: &mut _ = s.url; p
25 //~^^ ERROR borrow may still be in use when destructor runs
27 fn finish_4(s: S) -> &mut String {
30 //~^^ ERROR cannot move out of type `S<'_>`, which implements the `Drop` trait