| // 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_syntax)] |
| #![feature(box_patterns)] |
| |
| #[derive(Debug, PartialEq)] |
| enum Test { |
| Foo(usize), |
| Bar(isize), |
| } |
| |
| fn main() { |
| let a = box Test::Foo(10); |
| let b = box Test::Bar(-20); |
| match (a, b) { |
| (_, box Test::Foo(_)) => unreachable!(), |
| (box Test::Foo(x), b) => { |
| assert_eq!(x, 10); |
| assert_eq!(b, box Test::Bar(-20)); |
| }, |
| _ => unreachable!(), |
| } |
| } |
