Returns the value associated with a given object for a given key.
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id objc_getAssociatedObject(id object, const void *key);
The source object for the association.
The key for the association.
The value associated with the key key for object.
Sets an associated value for a given object using a given key and association policy.
Removes all associations for a given object.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.