public static IComparer <T> GetComparer(IComparer <T> comparer, Func <T, TKey> keySelector, bool nullsFirst)
{
NullFilter <TKey> filter = NullFilterFactory.GetNullFilter <TKey>(nullsFirst);
if (filter == null)
{
return(comparer);
}
return(new KeyedNullPlacementComparer <T, TKey>(comparer, keySelector, filter));
}
public static IComparer <T> GetComparer(IComparer <T> comparer, bool nullsFirst)
{
NullFilter <T> filter = NullFilterFactory.GetNullFilter <T>(nullsFirst);
if (filter == null)
{
return(comparer);
}
return(new UnkeyedNullPlacementComparer <T>(comparer, filter));
}