10 lines
225 B
Swift
10 lines
225 B
Swift
func uniq<T: Hashable>(lst: [T]) -> [T] {
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var seen = Set<T>(minimumCapacity: lst.count)
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return lst.filter { x in
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let unseen = !seen.contains(x)
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seen.insert(x)
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return unseen
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}
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}
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println(uniq([3,2,1,2,3,4]))
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