dein.vim 用に無いよりはマシな snippet を書いた

snippet tap
options head, indent
    " }}}3  ${1:plugin} {{{3

    if dein#tap('$1')

      function! s:$1${2}_on_source() abort
        ${4}
      endfunction

      autocmd vimrc User dein#source#$1 call s:$1${3}_on_source()

    endif