patch 8.2.2209: Vim9: return type of => lambda not parsed Commit: https://github.com/vim/vim/commit/9e68c32563d8c9ffe1ac04ecd4ccd730af66b97c Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 25 12:38:04 2020 +0100 patch 8.2.2209: Vim9: return type of => lambda not parsed Problem: Vim9: return type of => lambda not parsed. Solution: Parse and use the return type.

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim