摘要: 泛型在尖括号里写一个名字来创建一个泛型函数或者类型。func repeat(item: ItemType, times: Int) -> [ItemType] { var result = [ItemType]() for i in 0.. { case None case Some(T)}... 阅读全文
posted @ 2015-06-24 22:26 殇卜泣 阅读(199) 评论(0) 推荐(0) 编辑