[feat] change rust lsp setting

.vimrc

@@ -214,6 +214,7 @@ nmap <Leader>w <Plug>(easymotion-overwin-w)
 let g:ale_linters = {
       \ 'javascript': ['standard'],
       \ 'go': ['gopls'],
+      \ 'rust': ['analyzer'],
       \}
 let g:ale_fixers = {'javascript': ['standard']}
 let g:ale_lint_on_save = 1
@@ -278,10 +279,18 @@ endif
 
 " rustup update
 " rustup component add rls rust-analysis rust-src
-if executable('rls')
+" if executable('rls')
+"     au User lsp_setup call lsp#register_server({
+"         \ 'name': 'rls',
+"         \ 'cmd': {server_info->['rustup', 'run', 'stable', 'rls']},
+"         \ 'workspace_config': {'rust': {'clippy_preference': 'on'}},
+"         \ 'whitelist': ['rust'],
+"         \ })
+" endif
+if executable('rust-analyzer')
     au User lsp_setup call lsp#register_server({
-        \ 'name': 'rls',
-        \ 'cmd': {server_info->['rustup', 'run', 'stable', 'rls']},
+        \ 'name': 'rust-analyzer',
+        \ 'cmd': {server_info->['rust-analyzer']},
         \ 'workspace_config': {'rust': {'clippy_preference': 'on'}},
         \ 'whitelist': ['rust'],
         \ })