Instance Method


Removes and returns the last element of the collection.


@discardableResult mutating func removeLast() -> UInt8

Return Value

The last element of the collection.


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)

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software