| // Copyright 2012 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. |
| |
| //buggy.rs |
| |
| #![feature(box_syntax)] |
| |
| use std::collections::HashMap; |
| |
| fn main() { |
| let tmp: Box<_>; |
| let mut buggy_map: HashMap<usize, &usize> = HashMap::new(); |
| buggy_map.insert(42, &*Box::new(1)); //~ ERROR borrowed value does not live long enough |
| |
| // but it is ok if we use a temporary |
| tmp = box 2; |
| buggy_map.insert(43, &*tmp); |
| } |
