rust/src/test/compile-fail/issue-4972.rs
Niko Matsakis 872ce47955 Fallout: tests. As tests frequently elide things, lots of changes
here.  Some of this may have been poorly rebased, though I tried to be
careful and preserve the spirit of the test.
2015-02-18 10:25:28 -05:00

29 lines
783 B
Rust

// Copyright 2013 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.
#![feature(box_patterns)]
#![feature(box_syntax)]
trait MyTrait {
fn dummy(&self) {}
}
pub enum TraitWrapper {
A(Box<MyTrait+'static>),
}
fn get_tw_map(tw: &TraitWrapper) -> &MyTrait {
match *tw {
TraitWrapper::A(box ref map) => map, //~ ERROR cannot be dereferenced
}
}
pub fn main() {}