patch 8.2.4311: Vim9: changing script variable type not caught compile time Commit: https://github.com/vim/vim/commit/160afdb1850b8cf56dc8e94acee7a04bc2113992 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 6 17:17:02 2022 +0000 patch 8.2.4311: Vim9: changing script variable type not caught compile time Problem: Vim9: changing script variable type not caught at compile time. Solution: Set the declared type.

" Provide 'PrintVer' command to print the interface versions.

func s:print_ver(lang, ...)
  if has(a:lang)
    exec a:lang join(a:000)
  else
    echo 'N/A'
  endif
  echo ''
endfunc

command -nargs=+ PrintVer call <SID>print_ver(<f-args>)