public IEnumerable <TResult> ApplyResultSelector <TResult>(Func <TKey, IEnumerable <TElement>, TResult> resultSelector)
{
Grouping <TKey, TElement> g = _lastGrouping;
if (g != null)
{
do
{
g = g._next;
g.Trim();
yield return(resultSelector(g._key, g._elements));
}while (g != _lastGrouping);
}
}
internal List <TResult> ToList <TResult>(Func <TKey, IEnumerable <TElement>, TResult> resultSelector)
{
List <TResult> list = new List <TResult>(_count);
Grouping <TKey, TElement> g = _lastGrouping;
if (g != null)
{
do
{
g = g._next;
g.Trim();
list.Add(resultSelector(g._key, g._elements));
}while (g != _lastGrouping);
}
return(list);
}
internal TResult[] ToArray <TResult>(Func <TKey, IEnumerable <TElement>, TResult> resultSelector)
{
TResult[] array = new TResult[_count];
int index = 0;
Grouping <TKey, TElement> g = _lastGrouping;
if (g != null)
{
do
{
g = g._next;
g.Trim();
array[index] = resultSelector(g._key, g._elements);
++index;
}while (g != _lastGrouping);
}
return(array);
}