If you have any light to shed, I'm wondering about inductive data types and their expressive necessity here: https://news.ycombinator.com/item?id=42166709 https

If you have any light to shed, I'm wondering about inductive data types and their expressive necessity here: https://news.ycombinator.com/item?id=42166709 https://news.ycombinator.com/item?id=42166709