public void GetMultiRowSpan(int width, int height, int min, int max) { using (Buffer2D <int> buffer = Configuration.Default.MemoryAllocator.Allocate2D <int>(width, height)) { var rows = new RowInterval(min, max); Span <int> span = buffer.GetMultiRowSpan(rows); ref int expected0 = ref buffer.Span[min * width]; int expectedLength = (max - min) * width; ref int actual0 = ref span[0];