GetCount() [1/2]

int System.Linq.OrderedEnumerable< TElement, TKey >.GetCount ( bool onlyIfCheap )

inline

Implements System.Linq.IIListProvider< TElement >.

Definition at line 43 of file OrderedEnumerable.cs.

    {
        if (_source is IIListProvider<TElement> iIListProvider)
        {
            return iIListProvider.GetCount(onlyIfCheap);
        }
        if (onlyIfCheap && !(_source is ICollection<TElement>) && !(_source is ICollection))
        {
            return -1;
        }
        return _source.Count();
    }

References System.Linq.OrderedEnumerable< TElement, TKey >._source.

Referenced by System.Linq.OrderedPartition< TElement >.GetCount(), and System.Linq.OrderedEnumerable< TElement, TKey >.GetCount().