update

lua/configs/rust.lua

@@ -0,0 +1,13 @@
+local bufnr = vim.api.nvim_get_current_buf()
+vim.keymap.set("n", "<leader>a", function()
+  vim.cmd.RustLsp "codeAction" -- supports rust-analyzer's grouping
+  -- or vim.lsp.buf.codeAction() if you don't want grouping.
+end, { silent = true, buffer = bufnr })
+vim.keymap.set(
+  "n",
+  "K", -- Override Neovim's built-in hover keymap with rustaceanvim's hover actions
+  function()
+    vim.cmd.RustLsp { "hover", "actions" }
+  end,
+  { silent = true, buffer = bufnr }
+)