> Wrapping a tree-like interface round incremental parsing that doesn't require eager parsing or retaining arbitrary amounts of data, and doesn't leak implement

> Wrapping a tree-like interface round incremental parsing that doesn't require eager parsing or retaining arbitrary amounts of data, and doesn't leak implementation details, sounds astoundingly hard, perhaps even impossible. I don't think they promise this and I suspect this fails to parse some pathological but correct JSON files, eg one that starts with 50 GB of [s.