| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| struct Leak<'a> { |
| dropped: &'a mut bool |
| } |
| |
| impl<'a> Drop for Leak<'a> { |
| fn drop(&mut self) { |
| *self.dropped = true; |
| } |
| } |
| |
| fn main() { |
| let mut dropped = false; |
| { |
| let leak = Leak { dropped: &mut dropped }; |
| for ((), leaked) in Some(((), leak)).into_iter() {} |
| } |
| |
| assert!(dropped); |
| } |
