src/test/ui/run-pass/associated-consts/associated-const-range-match-patterns.rs

   1 // Copyright 2015 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 struct Foo;
  14
  15 trait HasNum {
  16     const NUM: isize;
  17 }
  18 impl HasNum for Foo {
  19     const NUM: isize = 1;
  20 }
  21
  22 fn main() {
  23     assert!(match 2 {
  24         Foo::NUM ... 3 => true,
  25         _ => false,
  26     });
  27     assert!(match 0 {
  28         -1 ... <Foo as HasNum>::NUM => true,
  29         _ => false,
  30     });
  31     assert!(match 1 {
  32         <Foo as HasNum>::NUM ... <Foo>::NUM => true,
  33         _ => false,
  34     });
  35 }