// 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. // pretty-expanded FIXME #23616 #![allow(unknown_features)] #![feature(box_syntax)] pub fn main() { let mut i: Box<_>; i = box 1; assert_eq!(*i, 1); }