Instance Method

removeLast()

Removes and returns the last element of the collection.

Declaration

@discardableResult mutating func removeLast() -> Element

Return Value

The last element of the collection.

Discussion

The collection must not be empty.

Calling this method may invalidate all saved indices of this collection. Do not rely on a previously stored index value after altering a collection with any operation that can change its length.

Complexity: O(1)

See Also

Removing Elements

func remove(at: Int) -> Element

Removes and returns the element at the specified position.

func removeFirst() -> Element

Removes and returns the first element of the collection.

func removeFirst(Int)

Removes the specified number of elements from the beginning of the collection.

func removeLast(Int)

Removes the specified number of elements from the end of the collection.

func removeSubrange(Range<Int>)

Removes the elements in the specified subrange from the collection.

func removeSubrange<R>(R)

Removes the elements in the specified subrange from the collection.

func removeAll(where: (Element) -> Bool)

Removes all the elements that satisfy the given predicate.

func removeAll(keepingCapacity: Bool)

Removes all elements from the array.

func popLast() -> Element?

Removes and returns the last element of the collection.