src/test/run-pass/issue-21033.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 // pretty-expanded FIXME #23616
  11
  12 #![feature(box_patterns)]
  13 #![feature(box_syntax)]
  14
  15 enum E {
  16     StructVar { boxed: Box<i32> }
  17 }
  18
  19 fn main() {
  20
  21     // Test matching each shorthand notation for field patterns.
  22     let mut a = E::StructVar { boxed: box 3 };
  23     match a {
  24         E::StructVar { box boxed } => { }
  25     }
  26     match a {
  27         E::StructVar { box ref boxed } => { }
  28     }
  29     match a {
  30         E::StructVar { box mut boxed } => { }
  31     }
  32     match a {
  33         E::StructVar { box ref mut boxed } => { }
  34     }
  35     match a {
  36         E::StructVar { ref boxed } => { }
  37     }
  38     match a {
  39         E::StructVar { ref mut boxed } => { }
  40     }
  41     match a {
  42         E::StructVar { mut boxed } => { }
  43     }
  44
  45     // Test matching non shorthand notation. Recreate a since last test
  46     // moved `boxed`
  47     let mut a = E::StructVar { boxed: box 3 };
  48     match a {
  49         E::StructVar { boxed: box ref mut num } => { }
  50     }
  51     match a {
  52         E::StructVar { boxed: ref mut num } => { }
  53     }
  54
  55 }