| // Copyright 2014 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(slice_patterns)] |
| |
| struct Foo { |
| string: String |
| } |
| |
| pub fn main() { |
| let x = [ |
| Foo { string: "foo".to_string() }, |
| Foo { string: "bar".to_string() }, |
| Foo { string: "baz".to_string() } |
| ]; |
| match x { |
| [ref first, tail..] => { |
| assert_eq!(first.string, "foo".to_string()); |
| assert_eq!(tail.len(), 2); |
| assert_eq!(tail[0].string, "bar".to_string()); |
| assert_eq!(tail[1].string, "baz".to_string()); |
| |
| match tail { |
| [Foo { .. }, _, Foo { .. }, _tail..] => { |
| unreachable!(); |
| } |
| [Foo { string: ref a }, Foo { string: ref b }] => { |
| assert_eq!("bar", &a[0..a.len()]); |
| assert_eq!("baz", &b[0..b.len()]); |
| } |
| _ => { |
| unreachable!(); |
| } |
| } |
| } |
| } |
| } |