
Swift数组中是不是包含元素
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Swift数组中是否包含元素
var array = ["1", "2", "3"]
var contained = contains(array, "2")
var array = ["1", "2", "3"]
var contained = array.contains("2")
var array = ["1", "2", "3"]
var contained = contains(array, "2")
var array = ["1", "2", "3"]
var contained = array.contains("2")
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