| // 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. |
| |
| // Tests the new destructor semantics. |
| |
| use std::cell::RefCell; |
| |
| fn main() { |
| let b = { |
| let a = Box::new(RefCell::new(4)); |
| *a.borrow() + 1 //~ ERROR `*a` does not live long enough |
| }; |
| println!("{}", b); |
| } |