Removes and returns the last element of the collection.
SDK
- Xcode 10.0+
Framework
- Swift Standard Library
Declaration
@discardableResult mutating func removeLast() -> Self.Element
Available when Self conforms to BidirectionalCollection .
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)