Comments (2)
It may be worth filing a bug about this with Apple. Classes do conform to NSCopying and in fact the docs explicitly call out use as a dictionary keys as a reason for this:
In any case, casting it to id
or id<NSCopying>
should shut it up.
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I had the same problem and spoke to some engineers at WWDC, but didn't get a clear answer. Class is a subclass from NSObject, and NSObject has a private static method called copyWithZone, so everything will work. They recommended using NSStringFromClass or, as @mikeash noted, just casing the problem away with id.
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Related Issues (8)
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