src/test/ui/or-patterns/mix-with-wild.rs

   1 // Test that an or-pattern works with a wild pattern. This tests two things:
   2 //
   3 //  1) The Wild pattern should cause the pattern to always succeed.
   4 //  2) or-patterns should work with simplifyable patterns.
   5
   6 // run-pass
   7
   8 pub fn test(x: Option<usize>) -> bool {
   9     match x {
  10         Some(0 | _) => true,
  11         _ => false,
  12     }
  13 }
  14
  15 fn main() {
  16     assert!(test(Some(42)));
  17     assert!(!test(None));
  18 }