SymmetricExcept() [3/3]

static MutationResult System.Collections.Immutable.ImmutableHashSet< T >.SymmetricExcept ( IEnumerable< T > other, MutationInput origin )

inlinestaticprivate

Definition at line 1133 of file ImmutableHashSet.cs.

    {
        Requires.NotNull(other, "other");
        ImmutableHashSet<T> immutableHashSet = ImmutableHashSet.CreateRange(origin.EqualityComparer, other);
        int num = 0;
        SortedInt32KeyNode<HashBucket> root = SortedInt32KeyNode<HashBucket>.EmptyNode;
        foreach (T item in new NodeEnumerable(origin.Root))
        {
            if (!immutableHashSet.Contains(item))
            {
                MutationResult mutationResult = Add(item, new MutationInput(root, origin.EqualityComparer, origin.HashBucketEqualityComparer, num));
                root = mutationResult.Root;
                num += mutationResult.Count;
            }
        }
        foreach (T item2 in immutableHashSet)
        {
            if (!Contains(item2, origin))
            {
                MutationResult mutationResult2 = Add(item2, new MutationInput(root, origin.EqualityComparer, origin.HashBucketEqualityComparer, num));
                root = mutationResult2.Root;
                num += mutationResult2.Count;
            }
        }
        return new MutationResult(root, num, CountType.FinalValue);
    }

References System.Add, System.Collections.Generic.Dictionary< TKey, TValue >.Contains(), System.Collections.Immutable.ImmutableHashSet< T >.Contains(), System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Collections.Immutable.ImmutableHashSet< T >.MutationInput.EqualityComparer, System.item, and System.other.