Change nvim config

home/neovim/init.lua

@@ -1,6 +1,4 @@
 require('packer').startup(function(use)
-  use { "williamboman/mason.nvim" }
-
   use {
     'VonHeikemen/lsp-zero.nvim',
     requires = {
@@ -23,6 +21,17 @@ require('packer').startup(function(use)
     }
   }
 
+  use {
+    'simrat39/rust-tools.nvim',
+    requires = {
+      { 'neovim/nvim-lspconfig' },
+
+      -- Debugging
+      { 'nvim-lua/plenary.nvim' },
+      { 'mfussenegger/nvim-dap' },
+    },
+  }
+
   use {
     'nvim-treesitter/nvim-treesitter',
     run = function() require('nvim-treesitter.install').update({ with_sync = true }) end,
@@ -52,3 +61,16 @@ lsp.preset('recommended')
 lsp.setup()
 
 require('nvim-treesitter.configs').setup{highlight={enable=true}}
+
+local rt = require("rust-tools")
+
+rt.setup({
+  server = {
+    on_attach = function(_, bufnr)
+      -- Hover actions
+      vim.keymap.set("n", "<C-space>", rt.hover_actions.hover_actions, { buffer = bufnr })
+      -- Code action groups
+      vim.keymap.set("n", "<Leader>a", rt.code_action_group.code_action_group, { buffer = bufnr })
+    end,
+  },
+})