| // 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_syntax)] |
| |
| #[derive(Copy, Clone)] |
| enum side { mayo, catsup, vinegar } |
| #[derive(Copy, Clone)] |
| enum order { hamburger, fries(side), shake } |
| #[derive(Copy, Clone)] |
| enum meal { to_go(order), for_here(order) } |
| |
| fn foo(m: Box<meal>, cond: bool) { |
| match *m { |
| meal::to_go(_) => { } |
| meal::for_here(_) if cond => {} |
| meal::for_here(order::hamburger) => {} |
| meal::for_here(order::fries(_s)) => {} |
| meal::for_here(order::shake) => {} |
| } |
| } |
| |
| pub fn main() { |
| foo(box meal::for_here(order::hamburger), true) |
| } |
