摘要：
  SequenceA type that provides sequential, iterated access to its elements.是最基础的协议，可以通过迭代来获取它的元素。有两个关联类型： /// A type representing the sequence's elements. associatedtype Element /// A type that... 阅读全文
posted @ 2019-03-04 08:25
花老🐯
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