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