1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(box_patterns)]
12 #![feature(box_syntax)]
18 pub enum TraitWrapper {
19 A(Box<MyTrait+'static>),
22 fn get_tw_map(tw: &TraitWrapper) -> &MyTrait {
24 TraitWrapper::A(box ref map) => map, //~ ERROR cannot be dereferenced