I wrote a library for that. Hooray you can version your types and seamlessly upgrade them and the compiler will never let you cross streams by accident. https:

I wrote a library for that. Hooray you can version your types and seamlessly upgrade them and the compiler will never let you cross streams by accident. https://hackage.haskell.org/package/DataVersion-0.1.0.0/docs/Data-Migration.html https://hackage.haskell.org/package/DataVersion-0.1.0.0/docs...