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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:项羽大战巨鹿，他一路攻城拔寨，收编小股不对，如今已经有十万之众。由于父辈之间是好友，个性开朗粗犷的少年树多村光（入野自由 配音）和月岛若叶（神田朱未 配音）成为了青梅竹马的好友，两人间有着以甲子园为舞台的美好约定。没想到，11岁时，若叶不幸落水身亡，在悲痛之中，光将两人的梦想默默的埋藏在了心底。作为若叶的妹妹，青叶（户松遥 配音）所感受到的悲伤是他人的数倍，可是，从小就热衷于棒球运动的她选择了咬紧牙关，以实际行动来祭奠姐姐的去世。雷·门罗（萨姆·沃辛顿饰）是一个好心但不堪重负的居家男人。在与岳父岳母度过一个紧张的假日周末后，雷带着妻子乔安妮（莉莉·拉贝饰）和女儿佩里（露西·卡普里饰）开车回家，途中驶入一个休息区。然而屋漏偏逢阴雨夜，佩里在事故中受伤。一家人急忙带着她来到附近一个急诊室，这里的工作人员看似有些意图可疑。被送去做进一步检测后，佩里与乔安妮失踪了，他们所有的访问记录也消失不见。雷的担忧成了真：他必须争分夺秒寻找家人，并搞清他们究竟遭遇了什么。这是一个失败者逆袭成长的故事。大难常有小难不断的家家，跌跌撞撞活了二十多年，好不容易逃脱家乡，巴望在都市角落创业发挥之际，竟然遇上闺密合伙人的卷款背叛，只好躲回老家，却阴错阳差代父出马竞逐地方选举，造就这场荒诞、有趣，励志感人的青年返乡奇幻之旅。已续订！《英村脑残故事》正式续订了特别集和第三季，40分钟特别集预计下半年拍摄播出，而第三季2019年回归。However, crocodiles' short, rounded and sparsely arranged teeth do not have the function of cutting flesh. Their main function is to hook and inject the skin of prey during hunting to prevent prey from escaping. Land carnivores pay more attention to chewing, so they do not have such function.