Can you say more about this? My first thought is that you're talking about the various data types in Clojure being implemented with Java interfaces. But my unde

Can you say more about this? My first thought is that you're talking about the various data types in Clojure being implemented with Java interfaces. But my understanding is (I'm not a Java developer) that interfaces existed pre generics, just without static type checking support, and thus Clojure could have been developed with a pre-generics Java version just fine?