tests/ui/span/issue-23729.stderr

   1 error[E0046]: not all trait items implemented, missing: `Item`
   2   --> $DIR/issue-23729.rs:10:9
   3    |
   4 LL |         impl Iterator for Recurrence {
   5    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
   6    |
   7    = help: implement the missing item: `type Item = Type;`
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0046`.