1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // pretty-expanded FIXME #23616
13 enum pattern { tabby, tortoiseshell, calico }
14 enum breed { beagle, rottweiler, pug }
16 enum ear_kind { lop, upright }
17 enum animal { cat(pattern), dog(breed), rabbit(name, ear_kind), tiger }
19 fn noise(a: animal) -> Option<String> {
21 animal::cat(..) => { Some("meow".to_string()) }
22 animal::dog(..) => { Some("woof".to_string()) }
23 animal::rabbit(..) => { None }
24 animal::tiger(..) => { Some("roar".to_string()) }
29 assert_eq!(noise(animal::cat(pattern::tabby)), Some("meow".to_string()));
30 assert_eq!(noise(animal::dog(breed::pug)), Some("woof".to_string()));
31 assert_eq!(noise(animal::rabbit("Hilbert".to_string(), ear_kind::upright)), None);
32 assert_eq!(noise(animal::tiger), Some("roar".to_string()));