| // Copyright 2013 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. |
| |
| |
| pub fn main() { |
| match &[(Box::new(5),Box::new(7))] { |
| ps => { |
| let (ref y, _) = ps[0]; |
| assert_eq!(**y, 5); |
| } |
| } |
| |
| match Some(&[(Box::new(5),)]) { |
| Some(ps) => { |
| let (ref y,) = ps[0]; |
| assert_eq!(**y, 5); |
| } |
| None => () |
| } |
| |
| match Some(&[(Box::new(5),Box::new(7))]) { |
| Some(ps) => { |
| let (ref y, ref z) = ps[0]; |
| assert_eq!(**y, 5); |
| assert_eq!(**z, 7); |
| } |
| None => () |
| } |
| } |