Is there a way to know if the connect operation is successfully about luv HOT 3 CLOSED

function handle:onevent(err, data)
  -- Node style with error first and optional data after that.
end

function handle:onevent(data, reason)
  data = assert(data, reason)
  -- Assert style
end

-- Route all errors to new event "error"
function handle:onerror(err)
end
function handleonevent(result)
end