> a significant portion of Clojure core is built using macros Well, pretty much all the Scala compiler is written using macros, because compiler API ~= macro A

> a significant portion of Clojure core is built using macros Well, pretty much all the Scala compiler is written using macros, because compiler API ~= macro API. Homoiconicity is nice, but the lack of it doesn't make anything impossible. If there is anything which makes stuff impossible, it's the static type system, which can catch most of your macro errors at compile time. That's a pretty good thing in my book.