vlib/v/checker/tests/option_selector_or_block_err.vv:9:10: error: `or` block must provide a value of type `[]string`, not `?[]string`
    7 |   return post.authors or {
    8 |     post.authors = []string{}
    9 |     post.authors
      |          ~~~~~~~
   10 |   }
   11 | }
