class FibIter
{
	private var current = 0;
	private var nextItem = 1;
	private var limit:Int;
	
	public function new(limit) this.limit = limit;

	public function hasNext() return limit > 0;
	
	public function next() {
		limit--;
		var ret = current;
		var temp = current + nextItem;
		current = nextItem;
		nextItem = temp;
		return ret;
	}
}