I don't know where you get that it can't be fast, that's certainly not true. Gambit Scheme is just one example of a fast lisp. People like lisps because they a

I don't know where you get that it can't be fast, that's certainly not true. Gambit Scheme is just one example of a fast lisp. People like lisps because they are written as ASTs. So you can manipulate programs (ASTs) to create DSLs very easily.