The destructuring argument pattern in that closure lets the compiler infer that we want windows of 4 here. If we had used the older .windows(4) iterator, then that argument would be a slice which we would have to index manually, hoping that runtime bounds-checking will be optimized away.
国际原子能机构表示，继续与中东地区的国家核安全监管机构保持密切联系，目前尚未检测到辐射升高。，详情可参考PDF资料
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第七十六条 有下列行为之一的，处一千元以上二千元以下罚款；情节严重的，处十日以上十五日以下拘留，可以并处二千元以下罚款：