namespace Utils
{
    public static class ArrayExtensions
    {
        public static T[] Append<T>(this T[] array, T item)
        {
            if (array == null)
            {
                return new T[] { item };
            }

            var result = new T[array.Length + 1];
            for (var i = 0; i < array.Length; i++)
            {
                result[i] = array[i];
            }

            result[array.Length] = item;
            return result;
        }
    }
}