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1 | // Copyright 2013 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
c34b1796 AL |
11 | // pretty-expanded FIXME #23616 |
12 | ||
1a4d82fc JJ |
13 | #![feature(unsafe_destructor)] |
14 | ||
970d7e83 LB |
15 | // Make sure the destructor is run for newtype structs. |
16 | ||
1a4d82fc JJ |
17 | use std::cell::Cell; |
18 | ||
c34b1796 | 19 | struct Foo<'a>(&'a Cell<isize>); |
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20 | |
21 | #[unsafe_destructor] | |
1a4d82fc JJ |
22 | impl<'a> Drop for Foo<'a> { |
23 | fn drop(&mut self) { | |
24 | let Foo(i) = *self; | |
25 | i.set(23); | |
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26 | } |
27 | } | |
223e47cc | 28 | |
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29 | pub fn main() { |
30 | let y = &Cell::new(32); | |
970d7e83 | 31 | { |
1a4d82fc | 32 | let _x = Foo(y); |
970d7e83 | 33 | } |
1a4d82fc | 34 | assert_eq!(y.get(), 23); |
223e47cc | 35 | } |