From 18db8ae84cf7693f813216188decdf5d0480b9da Mon Sep 17 00:00:00 2001
From: Julien Rabier <taziden@flexiden.org>
Date: Sun, 28 Jun 2020 15:42:56 +0200
Subject: [PATCH] [nvim] add niceties for rust

---
 private_dot_config/nvim/init.vim.tmpl | 93 ++++++++++++++++++---------
 1 file changed, 63 insertions(+), 30 deletions(-)

diff --git a/private_dot_config/nvim/init.vim.tmpl b/private_dot_config/nvim/init.vim.tmpl
index 1be40d4..a9a8071 100644
--- a/private_dot_config/nvim/init.vim.tmpl
+++ b/private_dot_config/nvim/init.vim.tmpl
@@ -1,34 +1,37 @@
 packadd minpac
 call minpac#init()
-" minpac must have {'type': 'opt'} so that it can be loaded with `packadd`.
-call minpac#add('k-takata/minpac', {'type': 'opt'})
-call minpac#add('honza/vim-snippets', {'type': 'start'})
-call minpac#add('SirVer/ultisnips')
-call minpac#add('junegunn/limelight.vim')
-call minpac#add('junegunn/goyo.vim')
-call minpac#add('junegunn/fzf')
-call minpac#add('junegunn/fzf.vim')
-call minpac#add('ambv/black')
-call minpac#add('davidhalter/jedi-vim')
-call minpac#add('vim-airline/vim-airline')
-call minpac#add('ap/vim-css-color')
-call minpac#add('fatih/vim-go')
-call minpac#add('dpelle/vim-Grammalecte')
-call minpac#add('ledger/vim-ledger')
-call minpac#add('tpope/vim-markdown')
-call minpac#add('nfnty/vim-nftables')
-call minpac#add('adborden/vim-notmuch-address')
-call minpac#add('cespare/vim-toml')
-call minpac#add('pbrisbin/vim-mkdir')
-call minpac#add('tpope/vim-eunuch')
-call minpac#add('lambdalisue/suda.vim')
-call minpac#add('airblade/vim-gitgutter')
-call minpac#add('rust-lang/rust.vim')
-call minpac#add('thaerkh/vim-indentguides')
-call minpac#add('vim-syntastic/syntastic')
-call minpac#add('majutsushi/tagbar')
-call minpac#add('Shougo/deoplete.nvim')
-call minpac#add('racer-rust/vim-racer')
+    " minpac must have {'type': 'opt'} so that it can be loaded with `packadd`.
+    call minpac#add('k-takata/minpac', {'type': 'opt'})
+    call minpac#add('honza/vim-snippets', {'type': 'start'})
+    call minpac#add('SirVer/ultisnips')
+    call minpac#add('junegunn/limelight.vim')
+    call minpac#add('junegunn/goyo.vim')
+    call minpac#add('junegunn/fzf')
+    call minpac#add('junegunn/fzf.vim')
+    call minpac#add('ambv/black')
+    call minpac#add('davidhalter/jedi-vim')
+    call minpac#add('vim-airline/vim-airline')
+    call minpac#add('ap/vim-css-color')
+    call minpac#add('fatih/vim-go')
+    call minpac#add('dpelle/vim-Grammalecte')
+    call minpac#add('ledger/vim-ledger')
+    call minpac#add('tpope/vim-markdown')
+    call minpac#add('nfnty/vim-nftables')
+    call minpac#add('adborden/vim-notmuch-address')
+    call minpac#add('cespare/vim-toml')
+    call minpac#add('pbrisbin/vim-mkdir')
+    call minpac#add('tpope/vim-eunuch')
+    call minpac#add('lambdalisue/suda.vim')
+    call minpac#add('airblade/vim-gitgutter')
+    call minpac#add('rust-lang/rust.vim')
+    call minpac#add('thaerkh/vim-indentguides')
+    call minpac#add('vim-syntastic/syntastic')
+    call minpac#add('majutsushi/tagbar')
+    call minpac#add('Shougo/deoplete.nvim')
+    call minpac#add('racer-rust/vim-racer')
+    call minpac#add('neomake/neomake')
+    call minpac#add('ervandew/supertab')
+    call minpac#add('dense-analysis/ale')
 
 command! PackUpdate call minpac#update()
 command! PackClean call minpac#clean()
@@ -69,6 +72,7 @@ set expandtab
 set tabstop=4
 set shiftwidth=4
 set softtabstop=4
+set pastetoggle=<F2>
 "set formatoptions=tcrqn2w
 "set formatlistpat=^\\s*[\\d\\*-]\\+[\\]:.)}\\t\ ]\\s*
 
@@ -85,7 +89,7 @@ match RedundantSpaces /\s\+$\| \+\ze\t\|\t/
 
 " Jump to the last position when reopening a file
 if has("autocmd")
-  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
+ au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
 endif
 
 nmap <F8> :TagbarToggle<CR>
@@ -181,3 +185,32 @@ let g:syntastic_always_populate_loc_list = 1
 let g:syntastic_auto_loc_list = 1
 let g:syntastic_check_on_open = 1
 let g:syntastic_check_on_wq = 0
+
+" Racer
+augroup Racer
+    autocmd!
+    autocmd FileType rust nmap <buffer> gd         <Plug>(rust-def)
+    autocmd FileType rust nmap <buffer> gs         <Plug>(rust-def-split)
+    autocmd FileType rust nmap <buffer> gx         <Plug>(rust-def-vertical)
+    autocmd FileType rust nmap <buffer> gt         <Plug>(rust-def-tab)
+    autocmd FileType rust nmap <buffer> <leader>gd <Plug>(rust-doc)
+    autocmd FileType rust nmap <buffer> <leader>gD <Plug>(rust-doc-tab)
+augroup END
+
+" rust https://dev.to/drmason13/configure-neovim-for-rust-development-1fjn
+" setup rust_analyzer LSP (IDE features)
+"lua require'nvim_lsp'.rust_analyzer.setup{}
+
+" Use LSP omni-completion in Rust files
+"autocmd Filetype rust setlocal omnifunc=v:lua.vim.lsp.omnifunc
+
+" Enable deoplete autocompletion in Rust files
+let g:deoplete#enable_at_startup = 1
+
+" Press Tab to scroll _down_ a list of auto-completions
+let g:SuperTabDefaultCompletionType = "<c-n>"
+
+" ale rust-analyser
+let g:ale_linters = {'rust': ['analyzer']}
+
+nnoremap <leader>c :!cargo clippy