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Figured out how to do hash and isEqual in NSObject subclasses in Swift (turns out: Exactly like in Objective-C).
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // | ||
| // GLLItemOptionalPartMarker.swift | ||
| // GLLara | ||
| // | ||
| // Created by Torsten Kammer on 18.04.18. | ||
| // Copyright © 2018 Torsten Kammer. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
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| /** | ||
| * A simple object that only contains a GLLItem; used for selection to mark that | ||
| * the "optional parts" section was selected. | ||
| * | ||
| * Equality and hash code: Two of these are equal - and have equal hash codes - | ||
| * if the underlying items are. | ||
| */ | ||
| @objc class GLLItemOptionalPartMarker: NSObject { | ||
| @objc init(item: GLLItem) { | ||
| self.item = item | ||
| } | ||
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| @objc let item: GLLItem | ||
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| override func isEqual(_ object: Any?) -> Bool { | ||
| guard let other = object as? GLLItemOptionalPartMarker else { | ||
| return false | ||
| } | ||
| return self.item == other.item | ||
| } | ||
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| override var hash: Int { | ||
| return item.hash | ||
| } | ||
| } |
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