jank is currently using immer for persistent data structures: https://github.com/arximboldi/immer https://github.com/arximboldi/immer Very much inspired by Clo

jank is currently using immer for persistent data structures: https://github.com/arximboldi/immer https://github.com/arximboldi/immer Very much inspired by Clojure, with a lot of time put into benchmarking and profiling. It's too early for me to share numbers on jank vs Clojure itself, especially due to the rewrite, but my earlier jank versions were definitely competitive with AOT compiled Clojure jars.