patch 8.2.1864: Vim9: no error for wrong list type Commit: https://github.com/vim/vim/commit/334a8b4bde55e1095533f70616ac1e6ec337c62c Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 19 16:07:42 2020 +0200 patch 8.2.1864: Vim9: no error for wrong list type Problem: Vim9: no error for wrong list type. Solution: Add flag to indicate a constant. (closes https://github.com/vim/vim/issues/7160)

" 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>)