Get rust support working again

init.vim

@@ -9,6 +9,7 @@ let mapleader = "\<Space>"
 let oldwd = getcwd()
 exec "cd " . vimrc_git
 source plug.vim
+source ncm2.vim
 source airline.vim
 source syntastic.vim
 source fzf.vim

lsp.vim

@@ -1,10 +1,6 @@
-set hidden
-
-let g:LanguageClient_serverCommands = {
-    \ 'rust': ['rls'],
-    \ }
-
-nnoremap <silent> K :call LanguageClient_textDocument_hover()<CR>
-nnoremap <silent> gd :call LanguageClient_textDocument_definition()<CR>
-nnoremap <silent> <F2> :call LanguageClient_textDocument_rename()<CR>
-nnoremap <silent> S :call LanguageClient_textDocument_documentSymbol()<CR>
+au User lsp_setup call lsp#register_server({
+    \ 'name': 'rls',
+    \ 'cmd': {server_info->['rustup', 'run', 'stable', 'rls']},
+    \ 'workspace_config': {'rust': {'clippy_preference': 'on'}},
+    \ 'whitelist': ['rust'],
+    \ })

ncm2.vim

@@ -0,0 +1,6 @@
+" enable ncm2 for all buffers
+autocmd BufEnter * call ncm2#enable_for_buffer()
+
+" IMPORTANT: :help Ncm2PopupOpen for more information
+set completeopt=noinsert,menuone,noselect
+

plug.vim

@@ -40,25 +40,14 @@ Plug 'ncm2/ncm2-racer'
 Plug 'vim-scripts/groovy.vim'
 Plug 'vim-scripts/groovyindent-unix'
 " LSP
-Plug 'autozimu/LanguageClient-neovim', {'branch': 'next', 'do': 'bash install.sh'}
+Plug 'prabirshrestha/async.vim'
+Plug 'prabirshrestha/vim-lsp'
+Plug 'roxma/nvim-yarp'
 " auto format all the things
 " https://github.com/Chiel92/vim-autoformat
 Plug 'Chiel92/vim-autoformat'
 " auto-completion framework
 Plug 'ncm2/ncm2'
-" breeze dark color scheme, to match KDE
-" Plug cannot actually install this colorscheme, clone and link autoload and
-" colors manually
-"Plug 'fneu/breezy'
-" run npm i -g typescript tslint typescript-formatter so that these plugins have the tools they need
-" typescript syntax support and other settings
-Plug 'leafgarland/typescript-vim'
-" plug into tsserver
-Plug 'Quramy/tsuquyomi'
-" Smart indenting for JS and TS
-Plug 'jason0x43/vim-js-indent'
-" Installs and builds vimproc (required to launch tsserver)
-Plug 'Shougo/vimproc.vim', {'do': 'make'}
 
 " All of your Plugins must be added before the following line
 call plug#end()            " required