cache(_:willEvictObject:)
Called when an object is about to be evicted or removed from the cache.
Declaration
optional func cache(_ cache: NSCache<AnyObject, AnyObject>, willEvictObject obj: Any)Parameters
- cache:
The cache with which the object of interest is associated.
- obj:
The object of interest in the cache.
Discussion
It is not possible to modify cache from within the implementation of this delegate method.