ddc-fzf-matcher sample

.vimrc

let s:DEIN_BASE_PATH = $HOME . '/.cache/vim/tmp_bundle/'
let s:DEIN_PATH      = expand(s:DEIN_BASE_PATH . 'repos/github.com/Shougo/dein.vim')
if !isdirectory(s:DEIN_PATH)
  execute '!git clone --depth=1 https://github.com/Shougo/dein.vim' s:DEIN_PATH
endif

let &runtimepath .= ',' . s:DEIN_PATH

if dein#load_state(s:DEIN_BASE_PATH)
  call dein#begin(s:DEIN_BASE_PATH)
  call dein#add('vim-denops/denops.vim')
  call dein#add('Shougo/ddc.vim')
  call dein#add('Shougo/ddc-matcher_head')
  call dein#add('Shougo/ddc-sorter_rank')
  call dein#add('matsui54/ddc-buffer')
  call dein#add('yuki-yano/ddc-fzf')

  call dein#end()
  call dein#save_state()
endif

filetype plugin indent on

call dein#install()

function! s:init_ddc()
  let l:sources = []
  call ddc#custom#patch_global('completionMode', 'popupmenu')

  let l:sources += ['buffer']
  call ddc#custom#patch_global('sourceOptions', {
  \ '_': {
  \ 'matchers': ['matcher_fzf'],
  \ 'sorters': ['sorter_fzf']
  \ },
  \ 'buffer': {'mark': 'B'},
  \ })

  call ddc#custom#patch_global('sources', l:sources)
  call ddc#custom#patch_global('postFilters', ['post_filter_fzf'])
  call ddc#enable()
endfunction

call s:init_ddc()