patch 8.2.1007: completion doesn't work after ":r ++arg !" Commit: https://github.com/vim/vim/commit/c8cb883015619cfe6db931ac2d6e15b0be5c56ed Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 18 21:14:30 2020 +0200 patch 8.2.1007: completion doesn't work after ":r ++arg !" Problem: Completion doesn't work after ":r ++arg !". Solution: Skip over "++arg". (Christian Brabandt, closes https://github.com/vim/vim/issues/6275, closes #6258)

let g:loaded_foo_vim += 1

let foo#bar = {}

func foo#bar.echo()
  let g:called_foo_bar_echo += 1
endfunc

func foo#addFoo(head)
  return a:head .. 'foo'
endfunc