private bool LastIndexOfLoop(T item, ref long count, ref ISegment <T> segment, ref int segmentIndex, ref int elementStartIndex, ref long itemIndex, ref long result)
{
int CompareCount = (elementStartIndex < count) ? elementStartIndex + 1 : (int)count;
int ElementIndex = segment.LastIndexOf(item, elementStartIndex, CompareCount);
if (ElementIndex >= 0)
{
result = itemIndex - elementStartIndex + ElementIndex;
return(true);
}
count -= CompareCount;
itemIndex -= CompareCount;
segmentIndex--;
Debug.Assert(segmentIndex < 0 || SegmentTable[segmentIndex].Count > 0);
if (segmentIndex < 0 || count == 0)
{
return(true);
}
segment = SegmentTable[segmentIndex];
elementStartIndex = segment.Count - 1;
return(false);
}