patch 9.0.1540: reverse() on string doesn't work in compiled function Commit: https://github.com/vim/vim/commit/f9dc278946d52235a0025fd347bd9ff571258470 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Thu May 11 15:02:56 2023 +0100 patch 9.0.1540: reverse() on string doesn't work in compiled function Problem: reverse() on string doesn't work in compiled function. Solution: Accept string in argument type check. (Yegappan Lakshmanan, closes #12377)

" Script to fill the window with emoji characters, one per line.
" Source this script: :source %

if &modified
  new
else
  enew
endif

" Use a compiled Vim9 function for speed
def DoIt()
  var lnum = 1
  for c in range(0x100, 0x1ffff)
    var cs = nr2char(c)
    if charclass(cs) == 3
      setline(lnum, '|' .. cs .. '| ' .. strwidth(cs))
      lnum += 1
    endif
  endfor
enddef

call DoIt()
set nomodified