46 lines
1.2 KiB
Swift
46 lines
1.2 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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public extension Set {
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mutating func insert(contentsOf value: Set<Element>?) {
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guard let value: Set<Element> = value else { return }
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value.forEach { self.insert($0) }
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}
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func inserting(_ value: Element?) -> Set<Element> {
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guard let value: Element = value else { return self }
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var updatedSet: Set<Element> = self
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updatedSet.insert(value)
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return updatedSet
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}
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func inserting(contentsOf value: Set<Element>?) -> Set<Element> {
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guard let value: Set<Element> = value else { return self }
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var updatedSet: Set<Element> = self
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value.forEach { updatedSet.insert($0) }
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return updatedSet
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}
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func removing(_ value: Element?) -> Set<Element> {
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guard let value: Element = value else { return self }
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var updatedSet: Set<Element> = self
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updatedSet.remove(value)
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return updatedSet
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}
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mutating func popRandomElement() -> Element? {
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guard let value: Element = randomElement() else { return nil }
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self.remove(value)
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return value
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}
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}
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