Revert "Remove rust-specific features"

This reverts commit 0fd1209ff6.

lua/keybindings.lua

@@ -84,4 +84,8 @@ local on_attach = function(client, bufnr)
 
 end
 
+-- Code actions
+-- TODO: Generalize to LSP or only attach on Rust buffers
+map('n', '<leader>t', '<cmd>RustTest<CR>', options) -- Run test under cursor
+
 return { on_attach = on_attach }

lua/lsp.lua

@@ -1,3 +1,22 @@
 local on_attach = require'keybindings'.on_attach
 local capabilities = require'cmp_nvim_lsp'.update_capabilities(vim.lsp.protocol.make_client_capabilities())
 local cmp = require'nvim-cmp-cfg'.cmp
+
+-- SERVERS
+-- rust_analyzer
+vim.g.rustfmt_autosave = 1
+require'lspconfig'.rust_analyzer.setup{
+    on_attach = on_attach,
+	capabilities = capabilities,
+	settings = {
+		["rust-analyzer"] = {
+			procMacro = {
+				enable = true,
+			},
+			checkOnSave = {
+				command = 'clippy',
+				extraArgs = "-W clippy::pedantic"
+			},
+		}
+	}
+}

lua/plugins.lua

@@ -31,9 +31,16 @@ local plugins = require('packer').startup(function(use)
 	use 'hrsh7th/cmp-vsnip'
 	use 'hrsh7th/vim-vsnip'
 
+	-- Language Specfic
+	use 'rust-lang/rust.vim'
+
   if packer_bootstrap then
     require('packer').sync()
   end
 end)
 
+-- Required for rust.vim
+-- TODO: Convert to lua
+vim.cmd([[filetype plugin indent on]])
+
 return plugins