If it's about the REPL then you could also have a look at Forth. It seems that in Espurino you have to pay attention to quite a lot of things to achieve a decen

If it's about the REPL then you could also have a look at Forth. It seems that in Espurino you have to pay attention to quite a lot of things to achieve a decent performance: http://www.espruino.com/Performance http://www.espruino.com/Performance