let array = ["1", "2", "3"]
let contained = contains(array, "2")
println(contained ? "yes" : "no")
let array = ["1", "2", "3"]
let contained = array.contains("2")
print(contained ? "yes" : "no")
Swift数组和包含,如何确定集合是否包含对象或值?
let array = ["1", "2", "3"]
let contained = contains(array, "2")
println(contained ? "yes" : "no")
let array = ["1", "2", "3"]
let contained = array.contains("2")
print(contained ? "yes" : "no")