isSubset(of:)
Returns a Boolean value that indicates whether every element in the receiving hash table is also present in another given hash table.
Declaration
func isSubset(of other: NSHashTable<ObjectType>) -> BoolParameters
- other:
The hash table with which to compare the receiving hash table.
Return Value
true if every element in the receiving hash table is also present in other, otherwise false.
Discussion
The equality test used for members depends on the personality option selected. For instance, choosing the objectPersonality option will use isEqual: to determine equality. See NSPointerFunctions.Options for more information on personality options and their corresponding equality tests.