// 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.

use core::dvec::DVec;

struct parser {
    tokens: DVec<int>,
}

trait parse {
    fn parse() -> ~[int];
}

impl parse for parser {
    fn parse() -> ~[int] {
        ::core::dvec::unwrap(self.tokens) //~ ERROR moving out of immutable field
    }
}

fn main() {}