The inspiration is OCaml. I've used it a lot, and some of its best features, like sum types, are missing from Dart (and many mainstream languages). As for the

The inspiration is OCaml. I've used it a lot, and some of its best features, like sum types, are missing from Dart (and many mainstream languages). As for the goal, I just want to finish it for now. I don't intend to publish packages in Bullseye, rather just to use it in projects to consume existing Dart libraries.