| // 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. |
| |
| |
| #![allow(unknown_features)] |
| #![feature(box_patterns)] |
| #![feature(box_syntax)] |
| |
| struct Foo {a: isize, b: usize} |
| |
| enum bar { u(Box<Foo>), w(isize), } |
| |
| pub fn main() { |
| assert!(match bar::u(box Foo{a: 10, b: 40}) { |
| bar::u(box Foo{a: a, b: b}) => { a + (b as isize) } |
| _ => { 66 } |
| } == 50); |
| } |