ref: 48c438236b27754a525b8bd942b8af46e6b2b264
dir: /lua/test/fibfor.lua/
-- example of for with generator functions function generatefib (n) return coroutine.wrap(function () local a,b = 1, 1 while a <= n do coroutine.yield(a) a, b = b, a+b end end) end for i in generatefib(1000) do print(i) end