src/test/run-pass/issues/issue-8498.rs

   1 // Copyright 2013 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.
   4 //
   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.
  10
  11 // run-pass
  12
  13 pub fn main() {
  14     match &[(Box::new(5),Box::new(7))] {
  15         ps => {
  16            let (ref y, _) = ps[0];
  17            assert_eq!(**y, 5);
  18         }
  19     }
  20
  21     match Some(&[(Box::new(5),)]) {
  22         Some(ps) => {
  23            let (ref y,) = ps[0];
  24            assert_eq!(**y, 5);
  25         }
  26         None => ()
  27     }
  28
  29     match Some(&[(Box::new(5),Box::new(7))]) {
  30         Some(ps) => {
  31            let (ref y, ref z) = ps[0];
  32            assert_eq!(**y, 5);
  33            assert_eq!(**z, 7);
  34         }
  35         None => ()
  36     }
  37 }