Instance Property


A value less than or equal to the number of elements in the collection.


var underestimatedCount: Int { get }


Complexity: O(1) if the collection conforms to RandomAccessCollection; otherwise, O(n), where n is the length of the collection.

See Also

Iterating over a Set

func enumerated() -> EnumeratedSequence<Set<Element>>

Returns a sequence of pairs (n, x), where n represents a consecutive integer starting at zero and x represents an element of the sequence.

func forEach((Element) -> Void)

Calls the given closure on each element in the sequence in the same order as a for-in loop.

func makeIterator() -> Set<Element>.Iterator

Returns an iterator over the members of the set.