nvim: add rust support

.config/nvim/lua/my/lsp.lua

@@ -113,7 +113,6 @@ local simple_ls = {
     ['vscode-html-language-server'] = 'html',
     ['vscode-css-language-server'] = 'cssls',
     ['vscode-json-language-server'] = 'jsonls',
-    ['rust-analyzer'] = 'rust_analyzer',
     ['gopls'] = 'gopls',
     ['cmake-language-server'] = 'cmake',
     ['yaml-language-server'] = 'yamlls',
@@ -134,7 +133,7 @@ if vim.fn.executable('clangd') > 0 then
             cmd = {
                 'clangd',
                 '--compile-commands-dir=build',
-                '--clang-tidy', -- needs >=clangd-9
+                '--clang-tidy',                   -- needs >=clangd-9
                 '--ranking-model=decision_forest' -- needs >=clangd-12
             },
             init_options = { clangdFileStatus = true },
@@ -243,3 +242,21 @@ end
 require('lsp-format').setup({
     sync = true -- seems to be needed to not interfere with Neogit
 })
+
+local rt = require("rust-tools")
+rt.setup({
+    server = {
+        on_attach = on_attach,
+        capabilities = capabilities,
+        settings = {
+            ["rust-analyzer"] = {
+                -- checkOnSave = {
+                --     command = "clippy",
+                -- },
+                -- diagnostics = {
+                --     enable = true,
+                -- },
+            }
+        }
+    },
+})

.config/nvim/lua/my/plugins.lua

@@ -105,6 +105,10 @@ require('packer').startup({
         }
         use { 'https://github.com/ray-x/lsp_signature.nvim' }
         use { 'https://github.com/p00f/clangd_extensions.nvim' }
+        use {
+            'https://github.com/simrat39/rust-tools.nvim',
+            requires = { 'neovim/nvim-lspconfig' }
+        }
 
         -- tools
         local nerdfont_installed = require('my.functions').nerdfont_installed()