IsProperSubsetOf()

bool System.Collections.Generic.SortedSet< T >.IsProperSubsetOf ( IEnumerable< T > other )

inlineinherited

Implements System.Collections.Generic.ISet< T >.

Definition at line 1669 of file SortedSet.cs.

    {
        if (other == null)
        {
            throw new ArgumentNullException("other");
        }
        if (other is ICollection collection && Count == 0)
        {
            return collection.Count > 0;
        }
        if (other is SortedSet<T> sortedSet && HasEqualComparer(sortedSet))
        {
            if (Count >= sortedSet.Count)
            {
                return false;
            }
            return IsSubsetOfSortedSetWithSameComparer(sortedSet);
        }
        ElementCount elementCount = CheckUniqueAndUnfoundElements(other, returnIfUnfound: false);
        if (elementCount.UniqueCount == Count)
        {
            return elementCount.UnfoundCount > 0;
        }
        return false;
    }

References System.Collections.Generic.SortedSet< T >.CheckUniqueAndUnfoundElements(), System.collection, System.Collections.Generic.SortedSet< T >.Count, System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Runtime.Serialization.Dictionary, System.Collections.Generic.SortedSet< T >.HasEqualComparer(), System.Collections.Generic.SortedSet< T >.IsSubsetOfSortedSetWithSameComparer(), and System.other.