I did not mean to imply that Clojure code would be portable across runtimes (though it is a possibility). I meant that things like ClojureScript One (if you do

I did not mean to imply that Clojure code would be portable across runtimes (though it is a possibility). I meant that things like ClojureScript One (if you don't know it, please take a look, it's worth it) will be possible across a variety of domains. Simple interoperability between platforms, same data structures, fewer context switches, Clojure all the way down.