set autoindent
set expandtab
set tabstop=4
set shiftwidth=4
set foldmethod=syntax
set foldlevel=20
set number
syntax on
syntax enable
filetype plugin indent on
 

    " Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
    " delays and poor user experience.
    set updatetime=300

    set signcolumn=number


    " Use tab for trigger completion with characters ahead and navigate.
    " NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
    " other plugin before putting this into your config.
    inoremap <silent><expr> <TAB>
          \ pumvisible() ? "\<C-n>" :
          \ CheckBackspace() ? "\<TAB>" :
          \ coc#refresh()
    inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

    function! CheckBackspace() abort
      let col = col('.') - 1
      return !col || getline('.')[col - 1]  =~# '\s'
    endfunction

    " Use <c-space> to trigger completion.
    if has('nvim')
      inoremap <silent><expr> <c-space> coc#refresh()
    else
      inoremap <silent><expr> <c-@> coc#refresh()
    endif


    " Use `[g` and `]g` to navigate diagnostics
    " Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
    nmap <silent> [g <Plug>(coc-diagnostic-prev)
    nmap <silent> ]g <Plug>(coc-diagnostic-next)

    " GoTo code navigation.
    nmap <silent> gd <Plug>(coc-definition)
    nmap <silent> gy <Plug>(coc-type-definition)
    nmap <silent> gi <Plug>(coc-implementation)
    nmap <silent> gr <Plug>(coc-references)

    " Use K to show documentation in preview window.
    nnoremap <silent> K :call ShowDocumentation()<CR>

    function! ShowDocumentation()
      if CocAction('hasProvider', 'hover')
        call CocActionAsync('doHover')
      else
        call feedkeys('K', 'in')
      endif
    endfunction

    " Highlight the symbol and its references when holding the cursor.
    autocmd CursorHold * silent call CocActionAsync('highlight')

    " Symbol renaming.
    nmap <leader>rn <Plug>(coc-rename)

    " Formatting selected code.
    xmap <leader>f  <Plug>(coc-format-selected)
    nmap <leader>f  <Plug>(coc-format-selected)
    let g:rustfmt_autosave = 1

    " Add `:Format` command to format current buffer.
    command! -nargs=0 Format :call CocActionAsync('format')

    " Add `:Fold` command to fold current buffer.
    command! -nargs=? Fold :call     CocAction('fold', <f-args>)

    " Add `:OR` command for organize imports of the current buffer.
    command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')

    " Add (Neo)Vim's native statusline support.
    " NOTE: Please see `:h coc-status` for integrations with external plugins that
    " provide custom statusline: lightline.vim, vim-airline.
    set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}


colorscheme moonfly
set number