别揉了宝贝～都出水了

As the name implies, iterator pattern is to access objects in an aggregation sequentially. Generally speaking, it is very common in collections. If you are familiar with collection classes, it will be very easy to understand this pattern. This sentence contains two meanings: one is the object that needs to be traversed, that is, the aggregated object, and the other is the iterator object, which is used to traverse the aggregated object. Let's look at the diagram:所以尹旭返回后的第一次寻常的见面会，便成为了作战高层会议。The sourceable interface's first Sub1!反而是选择了留在这井陉口，亲临前线，等着和汉军对战。小葱静静地打量曾鹏，品度他的举止神采。托尼由于夜总会关门装修，也亟需一份工作。有个朋友建议他去参加一位音乐博士为了寻找司机所举办的面试。当他到达豪华公寓后，发现这位博士是个名叫唐的黑人古典乐钢琴家，钢琴家正需要一个司机，负责在他举办南方巡演时的接送工作。当然，两人心里都十分清楚，在二十世纪六十年代种族隔离严重的南部地区，他们很容易身陷麻烦之中，但托尼需要钱，而唐需要一个能照顾他的专业司机。给托尼付钱的唱片公司给了他一本“绿皮书”指南，上面列着当地黑人可以吃饭睡觉的地方，因为很多旅馆和餐厅都是只限白人。更为重要的，正是他巧妙的连环妙计，使得收益远远不止这些。