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Swift 数组

Swift 数组

作者: CaptainRoy | 来源:发表于2019-06-13 16:59 被阅读0次
  • 申明一个空数组要指定数组类型
var emptyArray = [String]()
  • 合并数组
var list = ["one","two","three"]
var listTemp = ["zero"]
var resultArray = list + listTemp
print(resultArray) // ["one", "two", "three", "zero"]
  • 添加元素
var list = ["one","two","three"]
list.append("four")
print(list) // ["one", "two", "three", "four"]
  • 数组置空
list = []
  • 插入元素
var list = ["one","two","three"]
list.insert("zero", at: 0)
print(list) // ["zero", "one", "two", "three"]

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