23 lines
469 B
Swift
23 lines
469 B
Swift
import Foundation
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final class KeyBox<Value: Hashable>: NSObject {
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let wrappedValue: Value
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init(_ wrappedValue: Value) {
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self.wrappedValue = wrappedValue
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}
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override var hash: Int {
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var hasher = Hasher()
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hasher.combine(wrappedValue)
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return hasher.finalize()
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}
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override func isEqual(_ object: Any?) -> Bool {
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guard let other = object as? KeyBox<Value> else {
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return false
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}
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return wrappedValue == other.wrappedValue
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}
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}
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