// Copyright 2014 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.

#![allow(unknown_features)]
#![feature(box_syntax)]

struct Foo<'a> {
    listener: Box<FnMut() + 'a>,
}

impl<'a> Foo<'a> {
    fn new<F>(listener: F) -> Foo<'a> where F: FnMut() + 'a {
        Foo { listener: box listener }
    }
}

fn main() {
    let a = Foo::new(|| {});
}