From 282cea9babf35f29b429973a4e9993ab42b9eff9 Mon Sep 17 00:00:00 2001
From: Julian Ospald <hasufell@posteo.de>
Date: Fri, 15 Jun 2018 22:05:00 +0200
Subject: [PATCH] Rust completion with deoplete

---
 after/ftplugin/rust.vim | 21 +++++++++++++++------
 vimrc                   |  2 +-
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/after/ftplugin/rust.vim b/after/ftplugin/rust.vim
index 09896a3..03f50d1 100644
--- a/after/ftplugin/rust.vim
+++ b/after/ftplugin/rust.vim
@@ -1,5 +1,3 @@
-let g:rustfmt_autosave = 0
-
 let g:tagbar_ctags_bin = '/usr/bin/universal-ctags'
 
 let g:rust_doc#define_map_K = 0
@@ -15,13 +13,13 @@ function! s:search_under_cursor(query) range
 endfunction
 
 " keys
-nnoremap <buffer><silent><F6> :<C-u>call <SID>search_under_cursor(expand('<cword>'))<CR>
-vnoremap <buffer><silent><F6> "gy:call <SID>search_under_cursor(getreg('g'))<CR>
+nnoremap <buffer><silent><F7> :<C-u>call <SID>search_under_cursor(expand('<cword>'))<CR>
+vnoremap <buffer><silent><F7> "gy:call <SID>search_under_cursor(getreg('g'))<CR>
 
 nnoremap <F3> :call LanguageClient_contextMenu()<CR>
 nnoremap <silent> <F4> :call LanguageClient#textDocument_definition()<CR>
-nnoremap <silent> <F7> :call LanguageClient#textDocument_hover()<CR>
-nnoremap <silent> <F6> :call LanguageClient#textDocument_rename()<CR>
+nnoremap <silent> <F6> :call LanguageClient#textDocument_hover()<CR>
+nnoremap <silent> <F8> :call LanguageClient#textDocument_rename()<CR>
 
 
 let g:LanguageClient_autoStart = 1
@@ -29,7 +27,18 @@ let g:LanguageClient_autoStart = 1
 let g:LanguageClient_serverCommands = {
     \ 'rust': ['rustup', 'run', 'nightly', 'rls'] }
 
+let g:LanguageClient_diagnosticsEnable = 0
+
 let g:ale_linters = {'rust': ['rls']}
 let g:ale_fixers = { 'rust': ['rustfmt'] }
 
+let g:ale_fix_on_save = 0
 let g:autofmt_autosave = 0
+
+" deoplete
+call deoplete#custom#option('sources',{
+	\ '_': ['buffer'],
+	\ 'rust': ['ultisnips', 'buffer', 'file', 'LanguageClient']
+	\ })
+inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"
+call deoplete#enable()
diff --git a/vimrc b/vimrc
index 333ec85..1400c4e 100644
--- a/vimrc
+++ b/vimrc
@@ -59,7 +59,7 @@ Plug 'LucHermitte/local_vimrc'
 
 " completion
 Plug 'Valloric/YouCompleteMe', { 'do': './install.py --clang-completer --go-completer --rust-completer --system-boost --system-libclang',
-    \ 'for': ['c', 'python', 'sh', 'go', 'clojure', 'rust'],
+    \ 'for': ['c', 'python', 'sh', 'go', 'clojure'],
     \ }
 " deoplete for haskell
 if has('nvim')