patch 8.2.3844: Vim9: no type error if assigning func(number) to func(string) Commit: https://github.com/vim/vim/commit/44a8977de467241a2f9959253d06eff53a8baad9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 18 12:31:33 2021 +0000 patch 8.2.3844: Vim9: no type error if assigning func(number) to func(string) Problem: Vim9: no type error if assigning a value with type func(number) to a variable of type func(string). Solution: Use check_type_maybe(): return MAYBE if a runtime type check is useful. (issue #8492)

" Tests for :undo

func Test_ex_undo()
  new ex-undo
  setlocal ul=10
  exe "normal ione\n\<Esc>"
  setlocal ul=10
  exe "normal itwo\n\<Esc>"
  setlocal ul=10
  exe "normal ithree\n\<Esc>"
  call assert_equal(4, line('$'))
  undo
  call assert_equal(3, line('$'))
  undo 1
  call assert_equal(2, line('$'))
  undo 0
  call assert_equal(1, line('$'))
  quit!
endfunc

" vim: shiftwidth=2 sts=2 expandtab