patch 8.2.3751: cannot assign a lambda to an option that takes a function Commit: https://github.com/vim/vim/commit/6409553b6e3b4de4e1d72b8ee5445595214581ff Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Mon Dec 6 11:03:55 2021 +0000 patch 8.2.3751: cannot assign a lambda to an option that takes a function Problem: Cannot assign a lambda to an option that takes a function. Solution: Automatically convert the lambda to a string. (Yegappan Lakshmanan, closes #9286)

" Vim compiler file
" Compiler:	Mono C#
" Maintainer:	Chiel ten Brinke (ctje92@gmail.com)
" Last Change:	2013 May 13

if exists("current_compiler")
  finish
endif

let current_compiler = "xbuild"
let s:keepcpo= &cpo
set cpo&vim

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet errorformat=\ %#%f(%l\\\,%c):\ %m
CompilerSet makeprg=xbuild\ /nologo\ /v:q\ /property:GenerateFullPaths=true

let &cpo = s:keepcpo
unlet s:keepcpo