| // run-pass | |
| // This test ensures that vec.into_iter does not overconstrain element lifetime. | |
| pub fn main() { | |
| original_report(); | |
| revision_1(); | |
| revision_2(); | |
| } | |
| fn original_report() { | |
| drop(vec![&()].into_iter()) | |
| } | |
| fn revision_1() { | |
| // below is what above `vec!` expands into at time of this writing. | |
| drop(<[_]>::into_vec(::std::boxed::Box::new([&()])).into_iter()) | |
| } | |
| fn revision_2() { | |
| drop((match (Vec::new(), &()) { (mut v, b) => { v.push(b); v } }).into_iter()) | |
| } |