Created
November 21, 2017 06:22
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| class MyClass { | |
| } | |
| private var key: Void? | |
| extention MyClass { | |
| var title: String? { | |
| get { | |
| return objc_getAssociatedObject(self, &key) as? String | |
| } | |
| set { | |
| objc_setAssociatedObject(self, &key, newValue, .OBJC_ASSOCIATED_RETAIN_NONATOMIC) | |
| } | |
| } | |
| } |
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