8 #---------------fibonacci----------------
11 #regular recursive fibonacci
16 return fib(n-1) + fib(n-2)
19 if (fib(20) != 6765) {
23 #tail recursive fibonacci
25 f = function (iter, res, next) {
29 return f(iter-1, next, res+next)
34 if (fib(20) != 6765) {