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Alex Rivera
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There's this Transformable data type for attributes. What is it good for? Are there good examples? I'd like to play around with this. So after searching a while I came across this: NSValueTransformer. Seems to be something I need for this. So how would I get started with this? For example, if I wanted to store an UIColor object, would I make an transformer for that? What exactly is this thing transforming to or from? An NSData? And must the object which I pass to the transformer follow any protocol?
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