◆ IntersectWith()

virtual void System.Collections.Generic.SortedSet< T >.IntersectWith ( IEnumerable< T > other )

inlinevirtualinherited

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

Definition at line 1454 of file SortedSet.cs.

    {
        if (other == null)
        {
            throw new ArgumentNullException("other");
        }
        if (Count == 0 || other == this)
        {
            return;
        }
        SortedSet<T> sortedSet = other as SortedSet<T>;
        TreeSubSet treeSubSet = this as TreeSubSet;
        if (treeSubSet != null)
        {
            VersionCheck();
        }
        if (sortedSet != null && treeSubSet == null && HasEqualComparer(sortedSet))
        {
            T[] array = new T[Count];
            int num = 0;
            Enumerator enumerator = GetEnumerator();
            Enumerator enumerator2 = sortedSet.GetEnumerator();
            bool flag = !enumerator.MoveNext();
            bool flag2 = !enumerator2.MoveNext();
            T max = Max;
            while (!flag && !flag2 && Comparer.Compare(enumerator2.Current, max) <= 0)
            {
                int num2 = Comparer.Compare(enumerator.Current, enumerator2.Current);
                if (num2 < 0)
                {
                    flag = !enumerator.MoveNext();
                }
                else if (num2 == 0)
                {
                    array[num++] = enumerator2.Current;
                    flag = !enumerator.MoveNext();
                    flag2 = !enumerator2.MoveNext();
                }
                else
                {
                    flag2 = !enumerator2.MoveNext();
                }
            }
            root = null;
            root = ConstructRootFromSortedArray(array, 0, num - 1, null);
            count = num;
            version++;
        }
        else
        {
            IntersectWithEnumerable(other);
        }
    }