Instance Method

anyObject()

Returns one of the objects in the set, or nil if the set contains no objects.

Declaration

func anyObject() -> Any?

Return Value

One of the objects in the set, or nil if the set contains no objects. The object returned is chosen at the set’s convenience—the selection is not guaranteed to be random.

See Also

Accessing Set Members

var allObjects: [Any]

An array containing the set’s members, or an empty array if the set has no members.

func contains(Any) -> Bool

Returns a Boolean value that indicates whether a given object is present in the set.

func filtered(using: NSPredicate) -> Set<AnyHashable>

Evaluates a given predicate against each object in the receiving set and returns a new set containing the objects for which the predicate returns true.

func member(Any) -> Any?

Determines whether a given object is present in the set, and returns that object if it is.

func objectEnumerator() -> NSEnumerator

Returns an enumerator object that lets you access each object in the set.

func enumerateObjects((Any, UnsafeMutablePointer<ObjCBool>) -> Void)

Executes a given block using each object in the set.

func enumerateObjects(options: NSEnumerationOptions, using: (Any, UnsafeMutablePointer<ObjCBool>) -> Void)

Executes a given block using each object in the set, using the specified enumeration options.

func objects(options: NSEnumerationOptions, passingTest: (Any, UnsafeMutablePointer<ObjCBool>) -> Bool) -> Set<AnyHashable>

Returns a set of object that pass a test in a given block, using the specified enumeration options.