removeLast method
Removes and returns the newest element from the buffer without changing capacity.
Implementation
@override
T removeLast() {
if (isEmpty) {
throw StateError('Cannot remove from an empty RingBuffer');
}
_tail = (_tail - 1 + _capacity) % _capacity;
final value = _buffer[_tail] as T;
_buffer[_tail] = null;
_isFull = false;
return value;
}