patch 8.2.3308: Vim9: no runtime check for argument type with varargs only Commit: https://github.com/vim/vim/commit/6ce46b99635877fb0a17c06a6f5625fbc1ffa6f4 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 7 15:35:36 2021 +0200 patch 8.2.3308: Vim9: no runtime check for argument type with varargs only Problem: Vim9: no runtime check for argument type if a function only has varargs. Solution: Also check argument types if uf_va_type is set. (closes #8715)

" Test feedkeys() function.

func Test_feedkeys_x_with_empty_string()
  new
  call feedkeys("ifoo\<Esc>")
  call assert_equal('', getline('.'))
  call feedkeys('', 'x')
  call assert_equal('foo', getline('.'))

  " check it goes back to normal mode immediately.
  call feedkeys('i', 'x')
  call assert_equal('foo', getline('.'))
  quit!
endfunc

" vim: shiftwidth=2 sts=2 expandtab