src/test/run-pass/issue-14308.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
  12 struct A(isize);
  13 struct B;
  14
  15 fn main() {
  16     let x = match A(3) {
  17         A(..) => 1
  18     };
  19     assert_eq!(x, 1);
  20     let x = match A(4) {
  21         A(1) => 1,
  22         A(..) => 2
  23     };
  24     assert_eq!(x, 2);
  25
  26     // This next test uses a (..) wildcard match on a nullary struct.
  27     // There's no particularly good reason to support this, but it's currently allowed,
  28     // and this makes sure it doesn't ICE or break LLVM.
  29     let x = match B {
  30         B(..) => 3
  31     };
  32     assert_eq!(x, 3);
  33 }