I didn't understand what all the fuss about recursion was about for it to require more words than "a function that calls itself". Sounded trivial to me. Later I

I didn't understand what all the fuss about recursion was about for it to require more words than "a function that calls itself". Sounded trivial to me. Later I understood that a number of implementation details make the technique a bit special. The concept itself still sounds trivial to me though.