gistfile1.lua

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,
  },
})


-- Instead of:


require('lspconfig')['rust_analyzer'].setup{
  on_attach = on_attach,
  flags = lsp_flags,
  -- Server-specific settings...
  settings = {
    ["rust-analyzer"] = {}
  }
}