FWIW, I've recently been implementing the MongoDB query language as well: https://github.com/zumero/Elmo https://github.com/zumero/Elmo In F#. Not even remot

FWIW, I've recently been implementing the MongoDB query language as well: https://github.com/zumero/Elmo https://github.com/zumero/Elmo In F#. Not even remotely close to usable or production-ready. The approach here is somewhat different, as this implementation is built on SQLite, which it treats as a simple key-value storage layer.