Better rust support and changes all over

init.vim

@@ -1,8 +1,6 @@
 call plug#begin('~/.local/share/nvim/plugged')
 
 Plug 'davidhalter/jedi-vim'
-Plug 'Shougo/deoplete.nvim', {'do': ':UpdateRemotePlugins'}
-Plug 'zchee/deoplete-jedi'
 Plug 'ncm2/float-preview.nvim'
 Plug 'dense-analysis/ale'
 Plug 'jacoborus/tender.vim'
@@ -11,19 +9,19 @@ Plug 'vim-airline/vim-airline-themes'
 Plug 'airblade/vim-gitgutter'
 Plug 'scrooloose/nerdtree'
 Plug 'gleam-lang/gleam.vim'
+Plug 'cespare/vim-toml'
+Plug 'rust-lang/rust.vim'
+Plug 'vim-scripts/DrawIt'
 
 call plug#end()
 
-let g:airline_theme='base16_atelierlakeside'
+let g:airline_theme='papercolor'
 let g:airline#extensions#ale#enabled=1
 
-let g:deoplete#enable_at_startup=1
-" autocmd InsertLeave,CompleteDone * if pumvisible() == 0 | pclose | endif
-inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"
+inoremap <expr><tab> pumvisible() ? "\<C-n>" : "\<tab>"
+inoremap <expr><S-Tab> pumvisible() ? "\<C-p>" : "\<S-TAB>"
 
-" disable autocompletion, cause we use deoplete for completion
 let g:jedi#completions_enabled=0
-" open the go-to function in split, not another buffer
 let g:jedi#use_splits_not_buffers="right"
 
 " Preview window is floating
@@ -45,12 +43,13 @@ set completeopt-=preview
 " Enable folding on indent
 set foldmethod=indent
 set foldlevel=79
+set omnifunc=ale#completion#OmniFunc
 
 " Lint and check types
 let b:ale_linters={
 \ 'python': ['mypy', 'pyls', 'pylint'],
 \ 'ocaml':  ['merlin'],
-\ 'rust':   ['rls']
+\ 'rust':   ['analyzer', 'cargo']
 \ }
 let b:ale_fixers = {
 \ 'rust':   ['rustfmt'],
@@ -58,9 +57,11 @@ let b:ale_fixers = {
 \ 'ocaml':  ['ocamlformat']
 \}
 
-let g:ale_rust_rls_executable = 'rust-analyzer'
+let g:ale_rust_rustfmt_options='--edition 2018'
+
 let g:ale_fix_on_save=1
 let g:ale_lint_on_save=1
+let g:ale_lint_on_enter=0
 let g:ale_list_window_size=20
 " Use .venv as a global default
 let g:ale_virtualenv_dir_names=['.venv']
@@ -76,6 +77,8 @@ let b:ale_warn_about_trailing_whitespace=1
 
 nmap <leader>e :ALEDetail<CR>
 noremap <leader>d :ALEGoToDefinition<CR>
+noremap g] :ALEGoToDefinition<CR>
+noremap <leader>h :ALEHover<CR>
 
 " ALE colors
 highlight ALEError ctermbg=DarkRed ctermfg=Black
@@ -100,8 +103,15 @@ highlight Folded ctermbg=Green ctermfg=Black
 highlight Pmenu ctermbg=gray guibg=gray
 
 highlight GitGutterAdd    ctermfg=Green
-highlight GitGutterChange ctermfg=Yellow
+highlight GitGutterChange ctermfg=Red
 highlight GitGutterDelete ctermfg=DarkRed
+highlight GitGutterAddLine ctermbg=LightGreen
+highlight GitGutterChangeLine ctermbg=Yellow
+highlight GitGutterDeleteLine ctermbg=LightRed
+highlight GitGutterChangeDeleteLine ctermbg=LightRed
+
+nmap ]h <Plug>(GitGutterNextHunk)
+nmap [h <Plug>(GitGutterPrevHunk)
 
 let g:gitgutter_sign_added='+'
 let g:gitgutter_sign_modified='±'
@@ -109,14 +119,15 @@ let g:gitgutter_sign_removed='-'
 let g:gitgutter_sign_removed_first_line='^'
 let g:gitgutter_sign_modified_removed='-'
 let g:gitgutter_map_keys=0
+let g:gitgutter_set_sign_backgrounds=1
 
 " Toggles on different plugins/modes
-noremap  <F1> :ToggleMouse<CR>
-inoremap <F1> <Esc>:ToggleMouse<CR>a
+nmap <F1> :ToggleMouse<CR>
+set pastetoggle=<F2>
 nmap <F3> :set nonumber!<CR>
 nmap <F4> :GitGutterBufferToggle<CR>
 nmap <F5> :NERDTreeToggle<CR>
-set pastetoggle=<F2>
+nmap <F6> :GitGutterLineHighlightsToggle<CR>
 
 autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab