You're constrained by the internal serde data model. For instance serde has no bignum in the data model, so you can't express it in that data model which requi

You're constrained by the internal serde data model. For instance serde has no bignum in the data model, so you can't express it in that data model which requires awful workarounds. I went into the types of abuses necessary here a bit: https://lucumr.pocoo.org/2021/11/14/abusing-serde/ https://lucumr.pocoo.org/2021/11/14/abusing-serde/