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kiarashvosough1999/Mutable+Copy+NSHashTable.swift

Created September 8, 2022 17:21
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Mutable+Copy+NSHashTable.swift
let hashTable = NSHashTable<NSMutableData>(options: .copyIn)
var str: NSMutableData? = NSMutableData.init()
hashTable.add(str)
str = nil
DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
print(hashTable.allObjects)
}
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