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kaaaaai/gist:b4b6c36e9c2177511999431c4b1e5a74

Created November 4, 2021 07:30
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swift.extension.数组去重
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gistfile1.txt
extension Sequence where Element: Hashable {
func uniqued() -> [Element] {
var set = Set<Element>()
return filter { set.insert($0).inserted }
}
}
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