InsertRange() [3/3]

ImmutableArray< T > System.Collections.Immutable.ImmutableArray< T >.InsertRange ( int index, ImmutableArray< T > items )

inline

Definition at line 1090 of file ImmutableArray.cs.

    {
        ImmutableArray<T> result = this;
        result.ThrowNullRefIfNotInitialized();
        items.ThrowNullRefIfNotInitialized();
        Requires.Range(index >= 0 && index <= result.Length, "index");
        if (result.IsEmpty)
        {
            return items;
        }
        if (items.IsEmpty)
        {
            return result;
        }
        T[] array = new T[result.Length + items.Length];
        if (index != 0)
        {
            Array.Copy(result.array, array, index);
        }
        if (index != result.Length)
        {
            Array.Copy(result.array, index, array, index + items.Length, result.Length - index);
        }
        Array.Copy(items.array, 0, array, index, items.Length);
        return new ImmutableArray<T>(array);
    }

References System.Collections.Immutable.ImmutableArray< T >.array, System.Array.Copy(), System.index, and System.Collections.Immutable.Requires.Range().