// 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. #![allow(unknown_features)] #![feature(box_syntax)] use std::cell::RefCell; static S: &'static str = "str"; struct list { element: T, next: Option>>> } impl list { pub fn addEnd(&mut self, element: T) { let newList = list { element: element, next: None }; self.next = Some(box RefCell::new(newList)); } } pub fn main() { let ls = list { element: S, next: None }; println!("{}", ls.element); }