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" in insert mode tab key autocompletes
function! TabOrComplete()
let line = getline('.')
let col = col('.')
if col > 1 && strpart(line, col - 2, 3) =~ '^\w'
return "\<C-N>"
else
return "\<Tab>"
endif
endfunction
inoremap <Tab> <C-R>=TabOrComplete()<CR>
" only do this if autocommands enabled
if has("autocmd")
" enable file type detection and load indent files
filetype plugin indent on
" line numbering toggle
autocmd InsertEnter * :set norelativenumber
autocmd InsertLeave * :set relativenumber
" at startup, jump to last cursor position if valid
augroup vimStartup
au!
autocmd BufReadPost *
\ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
\ | exe "normal! g`\""
\ | endif
augroup END
endif
" in normal mode tab key cycles through tabs
nnoremap <Tab> :tabnext<CR>
nnoremap <S-Tab> :tabprev<CR>
" display
set display=truncate " show @@@ in the last line if it is truncated
set number " enable line numbering
set relativenumber " relative line numbering
set ruler " show the cursor position all the time
set scrolloff=5 " show a few lines around the cursor
set showcmd " display incomplete commands
set showtabline=2 " always show tab bar
set wrap linebreak " break on words not chars
" editing
set backspace=indent,eol,start " backspace over everything in insert
set shiftwidth=4 " 4-space shiftwidth
set softtabstop=4 " 4-space tabs
set tabstop=4 " 4-space tabs
set ttimeout " time out for key codes
set ttimeoutlen=100 " wait up to 100ms after esc for special key
" startup
set directory=~/.vim/swapfiles//,/tmp// " common swap directory
" no bars for vertical split
set fillchars+=vert:\
" switch syntax highlighting on
syntax enable
" ale
let g:ale_fix_on_save = 1
let g:ale_linters = { 'rust': [ 'analyzer' ] }
let g:ale_fixers = { 'rust': [ 'rustfmt' ], '*': [ 'trim_whitespace', 'remove_trailing_lines' ] }
let g:ale_rust_analyzer_config = { 'check': { 'command': 'clippy' } }
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