| // 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 <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)] |
| #![allow(dead_code)] |
| #![deny(unreachable_patterns)] |
| |
| enum Foo { A(Box<Foo>, isize), B(usize), } |
| |
| fn main() { |
| match Foo::B(1) { |
| Foo::B(_) | Foo::A(box _, 1) => { } |
| Foo::A(_, 1) => { } //~ ERROR unreachable pattern |
| _ => { } |
| } |
| } |
| |
