[wcarss]

A group I worked with in a high school lego robotics competition managed, if I recall correctly, to achieve 'recursion' by defining 2 very similar functions and having them just call each other. It was a frustrating device at times but also a really fun experience!

[cema]

Is called a trampoline, a standard trick more or less.

[wcarss]

Cool! That makes sense -- it still felt incredibly clever and tricksy to us when we were about 16 and trying to map our 'beautiful algorithm' into NQC sometime past midnight, for a morning competition.