]>
Commit | Line | Data |
---|---|---|
1a4d82fc JJ |
1 | // Copyright 2014 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 | ||
62682a34 SL |
11 | #![feature(const_fn)] |
12 | ||
1a4d82fc JJ |
13 | use std::cell::UnsafeCell; |
14 | ||
62682a34 | 15 | const A: UnsafeCell<usize> = UnsafeCell::new(1); |
1a4d82fc | 16 | const B: &'static UnsafeCell<usize> = &A; |
041b39d2 | 17 | //~^ ERROR: cannot borrow a constant which may contain interior mutability |
1a4d82fc JJ |
18 | |
19 | struct C { a: UnsafeCell<usize> } | |
62682a34 | 20 | const D: C = C { a: UnsafeCell::new(1) }; |
1a4d82fc | 21 | const E: &'static UnsafeCell<usize> = &D.a; |
041b39d2 | 22 | //~^ ERROR: cannot borrow a constant which may contain interior mutability |
1a4d82fc | 23 | const F: &'static C = &D; |
041b39d2 | 24 | //~^ ERROR: cannot borrow a constant which may contain interior mutability |
1a4d82fc JJ |
25 | |
26 | fn main() {} |