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Need to use a class, best is to subclass from NSObject
NSObject
let cache = NSCache<Key, UIImage>()
final class Key: NSObject { override func isEqual(_ object: Any?) -> Bool { guard let other = object as? Key else { return false } return url == other.url && size == other.size } override var hash: Int { return url.hashValue ^ Int(size.width) ^ Int(size.height) } let url: URL let size: CGSize init(url: URL, size: CGSize) { self.url = url self.size = size } }
The text was updated successfully, but these errors were encountered:
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Need to use a class, best is to subclass from
NSObject
The text was updated successfully, but these errors were encountered: