SymmetricExceptWithEnumerable()

void System.Collections.Generic.HashSet< T >.SymmetricExceptWithEnumerable ( IEnumerable< T > other )

inlineprivate

Definition at line 1081 of file HashSet.cs.

    {
        int count = _count;
        int num = BitHelper.ToIntArrayLength(count);
        Span<int> span = stackalloc int[50];
        BitHelper bitHelper = ((num <= 50) ? new BitHelper(span.Slice(0, num), clear: true) : new BitHelper(new int[num], clear: false));
        Span<int> span2 = stackalloc int[50];
        BitHelper bitHelper2 = ((num <= 50) ? new BitHelper(span2.Slice(0, num), clear: true) : new BitHelper(new int[num], clear: false));
        foreach (T item in other)
        {
            if (AddIfNotPresent(item, out var location))
            {
                bitHelper2.MarkBit(location);
            }
            else if (location < count && !bitHelper2.IsMarked(location))
            {
                bitHelper.MarkBit(location);
            }
        }
        for (int i = 0; i < count; i++)
        {
            if (bitHelper.IsMarked(i))
            {
                Remove(_entries[i].Value);
            }
        }
    }

References System.Collections.Generic.HashSet< T >._count, System.Collections.Generic.HashSet< T >._entries, System.Collections.Generic.HashSet< T >.AddIfNotPresent(), System.count, System.Runtime.Serialization.Dictionary, System.item, System.other, System.Collections.Generic.HashSet< T >.Remove(), and System.Collections.Generic.BitHelper.ToIntArrayLength().

Referenced by System.Collections.Generic.HashSet< T >.SymmetricExceptWith().