Return a reference to an element
The algorithmic complexity of this function is amortized *O(1)* because it might need to cache elements between the currently available last element and the element about to be accessed with the specified index.
the index of the element to return
See Implementation
Return a reference to an element
The algorithmic complexity of this function is amortized *O(1)* because it might need to cache elements between the currently available last element and the element about to be accessed with the specified index.