src/test/ui/pattern/usefulness/match-slice-patterns.rs

   1 #![feature(slice_patterns)]
   2
   3 fn check(list: &[Option<()>]) {
   4     match list {
   5     //~^ ERROR `&[_, Some(_), None, _]` not covered
   6         &[] => {},
   7         &[_] => {},
   8         &[_, _] => {},
   9         &[_, None, ..] => {},
  10         &[.., Some(_), _] => {},
  11     }
  12 }
  13
  14 fn main() {}