public IEnumerator <T> GetReverseEnumerator(int startIndex, int rangeCount)
{
if (thisStartIndex >= 0)
{
checkThisRangeCount(rangeCount, startIndex + 1);
startIndex += thisStartIndex;
}
return(collection.GetReverseEnumerator(startIndex, rangeCount));
}
public static IEnumerable <T> EnumerateInReverse <T>(this ISequenceView <T> sequenceView)
{
if (sequenceView == null)
{
throw new ArgumentNullException(nameof(sequenceView));
}
using (IEnumerator <T> enumerator = sequenceView.GetReverseEnumerator()) {
while (enumerator.MoveNext())
{
yield return(enumerator.Current);
}
}
}