Instance Method

formUnion(_:)

Inserts the elements of another set into this option set.

Declaration

mutating func formUnion(_ other: CollisionGroup)

Parameters

other

An option set.

Discussion

This method is implemented as a | (bitwise OR) operation on the two sets’ raw values.

See Also

Option Set

var isEmpty: Bool

A Boolean value that indicates whether the set has no elements.

func contains(CollisionGroup) -> Bool

Returns a Boolean value that indicates whether a given element is a member of the option set.

func formIntersection(CollisionGroup)

Removes all elements of this option set that are not also present in the given set.

func formSymmetricDifference(CollisionGroup)

Replaces this set with a new set containing all elements contained in either this set or the given set, but not in both.

func insert(CollisionGroup) -> (inserted: Bool, memberAfterInsert: CollisionGroup)

Adds the given element to the option set if it is not already a member.

func intersection(CollisionGroup) -> CollisionGroup

Returns a new option set with only the elements contained in both this set and the given set.

func isDisjoint(with: CollisionGroup) -> Bool

Returns a Boolean value that indicates whether the set has no members in common with the given set.

func isStrictSubset(of: CollisionGroup) -> Bool

Returns a Boolean value that indicates whether this set is a strict subset of the given set.

func isStrictSuperset(of: CollisionGroup) -> Bool

Returns a Boolean value that indicates whether this set is a strict superset of the given set.

func isSubset(of: CollisionGroup) -> Bool

Returns a Boolean value that indicates whether the set is a subset of another set.

func isSuperset(of: CollisionGroup) -> Bool

Returns a Boolean value that indicates whether the set is a superset of the given set.

func remove(CollisionGroup) -> CollisionGroup?

Removes the given element and all elements subsumed by it.

func subtract(CollisionGroup)

Removes the elements of the given set from this set.

func subtracting(CollisionGroup) -> CollisionGroup

Returns a new set containing the elements of this set that do not occur in the given set.

func symmetricDifference(CollisionGroup) -> CollisionGroup

Returns a new option set with the elements contained in this set or in the given set, but not in both.

func union(CollisionGroup) -> CollisionGroup

Returns a new option set of the elements contained in this set, in the given set, or in both.

func update(with: CollisionGroup) -> CollisionGroup?

Inserts the given element into the set.