gistfile1.txt

pub fn shift<T>(v: &mut ~[T]) -> T {
    let ln = v.len();
    assert (ln > 0);

    let mut vv = ~[];
    *v <-> vv;

    unsafe {
        let mut rr;
        {
            let vv = vec::raw::to_ptr(vv);
            rr = /*move*/ *vv; // removing this move breaks things

            for uint::range(1, ln) |i| {
                let r = move *ptr::offset(vv, i);
                v.push(move r);
            }
        }
        vec::raw::set_len(&mut vv, 0);

        move rr
    }
}

fn main() {
    let mut i = ~[~1];
    shift(&mut i);
}