This may be a useful pattern to you. The example is in Java but you should be able to achieve the same in Python https://apocalisp.wordpress.com/2009/08/21/stru

This may be a useful pattern to you. The example is in Java but you should be able to achieve the same in Python https://apocalisp.wordpress.com/2009/08/21/structural-pattern-matching-in-java/ https://apocalisp.wordpress.com/2009/08/21/structural-patter.... It’ll get rid of the ‘isinstance’ and give exhaustive matching. I used to use this pattern a lot when wanting ADT’s in a language without ADT’’s.