// 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); }