It's possible using two techniques called continuation passing transform and trampolines[1]. The downside is that the produced code would be a bit ugly and one

It's possible using two techniques called continuation passing transform and trampolines[1]. The downside is that the produced code would be a bit ugly and one of coffeescript's selling points has always been that it produces sensible code. [1]: http://en.m.wikipedia.org/wiki/Trampoline_(computing) http://en.m.wikipedia.org/wiki/Trampoline_(computing)