getRecent method

FrameEntry? getRecent(
  1. int index
)

Returns the frame at index positions ago (0 = most recent).

Implementation

FrameEntry? getRecent(int index) {
  if (index >= _size || index < 0) return null;
  final idx = (_head + _size - 1 - index) % capacity;
  return _buffer[idx];
}