deoplete-d
Adds auto-complete support for the D programming language to Vim
Installation
Using your favorite package manager or whatever (idk, you probably know vim better than I do):
Plug 'landaire/deoplete-d'
Configuration
Default configuration:
let g:deoplete#sources#d#dcd_client_binary = '' location of the dcd-client
on your system. This is optional and will be found in your $PATH if not set
let g:deoplete#sources#d#dcd_server_binary = '' location of the dcd-server
on your system. This is optional and will be found in your $PATH if not set
let g:deoplete#sources#d#dcd_server_autostart = 1 - whether or not dcd-server
should be auto-started