inline UI for ddc.vim
https://github.com/vim-denops/denops.vim
https://github.com/Shougo/ddc.vim
call ddc#custom#patch_global('ui', 'inline')
inoremap <expr><C-t> ddc#map#insert_item(0, "\<C-e>")
" Cancel
inoremap <C-e> <Cmd>call ddc#hide('Manual')<CR>