tests/ui/issues/issue-15104.rs

   1 // run-pass
   2
   3 fn main() {
   4     assert_eq!(count_members(&[1, 2, 3, 4]), 4);
   5 }
   6
   7 fn count_members(v: &[usize]) -> usize {
   8     match *v {
   9         []         => 0,
  10         [_]        => 1,
  11         [_, ref xs @ ..] => 1 + count_members(xs)
  12     }
  13 }