patch 8.2.2053: Vim9: lamba doesn't accept argument types Commit: https://github.com/vim/vim/commit/c2ca935d26b3fc64a13d4e7d0583fc787efe61d0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 25 21:30:11 2020 +0100 patch 8.2.2053: Vim9: lamba doesn't accept argument types Problem: Vim9: lamba doesn't accept argument types. Solution: Optionally accept argument types at the script level.

" Vim compiler file
" Compiler:     ATT dot
" Maintainer:	Marcos Macedo <bar4ka@bol.com.br>
" Last Change:	2004 May 16

if exists("current_compiler")
  finish
endif
let current_compiler = "dot"

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

CompilerSet makeprg=dot\ -T$*\ \"%:p\"\ -o\ \"%:p:r.$*\"