Handling errors with `with`

with.exs

res = 
	with {:ok} <- validate_request(request),
		 {:ok, user} <- get_user(request),
		 {:ok} <- update_db(user),
		 {:ok} <- send_email(user) do
		 return_http_message
	end
		
	case res do
		{:error, x} -> IO.inspect("Error: " <> x)
		_ -> {:ok} #Success
	end