// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. //buggy.rs #![feature(box_syntax)] extern crate collections; use std::collections::HashMap; fn main() { let tmp: Box<_>; let mut buggy_map: HashMap = HashMap::new(); // FIXME (#22405): Replace `Box::new` with `box` here when/if possible. 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); }