my current vimrc

.vimrc

syntax on
syntax enable
filetype plugin indent on

" Specify a directory for plugins
" - For Neovim: ~/.local/share/nvim/plugged
" - Avoid using standard Vim directory names like 'plugin'
call plug#begin('~/.local/share/nvim/plugged')
Plug 'tpope/vim-sensible'
Plug 'scrooloose/nerdtree'
Plug 'rust-lang/rust.vim'
Plug 'godlygeek/tabular'
Plug 'vim-airline/vim-airline'
Plug 'tpope/vim-fugitive'
Plug 'vim-airline/vim-airline-themes'
Plug 'ardagnir/united-front'
Plug 'zah/nim.vim'
Plug 'prabirshrestha/async.vim'
Plug 'prabirshrestha/vim-lsp'
Plug 'prabirshrestha/asyncomplete.vim'
Plug 'prabirshrestha/asyncomplete-lsp.vim'

Plug 'mhartington/oceanic-next'
call plug#end()

set background=dark

set undofile
set undodir=~/.vim/undo

" number of undo saved
set undolevels=100000

let g:lsp_highlight_references_enabled = 1
let g:lsp_diagnostics_enabled = 1         " disable diagnostics support
let g:lsp_signs_enabled = 1         " enable signs
let g:lsp_diagnostics_echo_cursor = 1 " enable echo under cursor when in normal mode

let mapleader = " "

" this will sync the unnamed register
" with the OS's clipboard
set clipboard=unnamedplus

augroup filetype_rust
    autocmd!
    autocmd BufReadPost *.rs setlocal filetype=rust
augroup END

let g:rustfmt_autosave = 1

let g:airline_theme = 'oceanicnext'

set number

map <C-t> :NERDTreeToggle<CR>
noremap <F2> :LspRename<CR>

noremap <leader><F3> :LspPreviousError<CR>
noremap <F3> :LspNextError<CR>

noremap <leader><F4> :LspPreviousWarning<CR>
noremap <F4> :LspNextWarning<CR>

noremap <silent> <F5> :LspCodeAction<CR>

noremap <silent> <F6> :LspImplementation<CR>

noremap <silent> <leader> <F7> :LspPreviousReference<CR>
noremap <silent> <F7> :LspNextReference<CR>

noremap <silent> <F9> :tab LspDefinition<CR>  
noremap <silent> gd :LspDefinition<CR>

noremap <silent> <F12> :LspHover<CR>
noremap <silent> K :LspHover<CR>

noremap <silent> <leader>p :LspPeekDefinition<CR>
noremap <silent> <leader>r :LspReferences<CR>

noremap <silent> <C-Left> :tabmove -1<CR>
noremap <silent> <C-Right> :tabmove +1<CR>

noremap <silent> <S-Right> :vertical resize +1<CR>
noremap <silent> <S-Left> :vertical resize -1<CR>
noremap <silent> <S-Down> :resize +1<CR>
noremap <silent> <S-Up> :resize -1<CR>

nnoremap <Right> <C-w>l
nnoremap <Left> <C-w>h
nnoremap <Up> <C-w>k
nnoremap <Down> <C-w>j

nnoremap <Tab> gt
nnoremap <S-Tab> gT

let g:airline_powerline_fonts = 1

set t_Co=256
if (has("termguicolors"))
 set termguicolors
endif
let g:oceanic_next_terminal_bold = 1
let g:oceanic_next_terminal_italic = 1
colorscheme OceanicNext

set completeopt-=preview

" Required for operations modifying multiple buffers like rename.
set hidden

"if executable('rls')
"    au User lsp_setup call lsp#register_server({
"        \ 'name': 'rls',
"        \ 'cmd': {server_info->['rustup', 'run', 'nightly', 'rls']},
"        \ 'whitelist': ['rust'],        
"        \ })
"endif

if executable('rust-analyzer')
    au User lsp_setup call lsp#register_server({
        \ 'name': 'rust-analyzer',
        \ 'cmd': {server_info->['rustup', 'run', 'nightly', 'rust-analyzer']},
        \ 'whitelist': ['rust'],        
        \ })
endif



com! FormatXML :%!python3 -c "import xml.dom.minidom, sys; print(xml.dom.minidom.parse(sys.stdin).toprettyxml())"