ref: 1f3073531aeba93810a671e788e25f3e6428c2a7
dir: /src/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