description

# removeLast method Null safety

E removeLast ()
override

Removes and returns the last element of the queue.

The queue must not be empty when this method is called.

## Implementation

    E removeLast() {
      if (_head == _tail) throw IterableElementError.noElement();
      _modificationCount++;
      _tail = (_tail - 1) & (_table.length - 1);
      E result = _table[_tail] as E;
      _table[_tail] = null;
      return result;
    }