src/test/run-pass/match-pattern-bindings.rs

   1 // Copyright 2014 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 fn main() {
  12     let value = Some(1);
  13     assert_eq!(match value {
  14         ref a @ Some(_) => a,
  15         ref b @ None => b
  16     }, &Some(1));
  17     assert_eq!(match value {
  18         ref c @ Some(_) => c,
  19         ref b @ None => b
  20     }, &Some(1));
  21     assert_eq!(match "foobarbaz" {
  22         b @ _ => b
  23     }, "foobarbaz");
  24     let a @ _ = "foobarbaz";
  25     assert_eq!(a, "foobarbaz");
  26     let value = Some(true);
  27     let ref a @ _ = value;
  28     assert_eq!(a, &Some(true));
  29 }