Instance Method

isSubset(of:)

Returns a Boolean value that indicates whether every object in the receiving set is also present in another given set.

Declaration

func isSubset(of otherSet: Set<AnyHashable>) -> Bool

Parameters

otherSet

The set with which to compare the receiving set.

Return Value

true if every object in the receiving set is also present in otherSet, otherwise false.

Discussion

Object equality is tested using isEqual:.

See Also

Comparing Sets

func intersects(Set<AnyHashable>) -> Bool

Returns a Boolean value that indicates whether at least one object in the receiving set is also present in another given set.

func isEqual(to: Set<AnyHashable>) -> Bool

Compares the receiving set to another set.

func value(forKey: String) -> Any

Return a set containing the results of invoking valueForKey: on each of the receiving set's members.

func setValue(Any?, forKey: String)

Invokes setValue:forKey: on each of the set’s members.