Union() [4/4]

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

inlinestaticprivate

Definition at line 1027 of file ImmutableHashSet.cs.

    {
        Requires.NotNull(other, "other");
        int num = 0;
        SortedInt32KeyNode<HashBucket> sortedInt32KeyNode = origin.Root;
        foreach (T item in other.GetEnumerableDisposable<T, Enumerator>())
        {
            int num2 = ((item != null) ? origin.EqualityComparer.GetHashCode(item) : 0);
            OperationResult result;
            HashBucket newBucket = sortedInt32KeyNode.GetValueOrDefault(num2).Add(item, origin.EqualityComparer, out result);
            if (result == OperationResult.SizeChanged)
            {
                sortedInt32KeyNode = UpdateRoot(sortedInt32KeyNode, num2, origin.HashBucketEqualityComparer, newBucket);
                num++;
            }
        }
        return new MutationResult(sortedInt32KeyNode, num);
    }

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