/// <summary>
/// Returns the array as an enumerable.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source"></param>
/// <returns></returns>
public static IEnumerable <T> AsEnumerable <T>(this T[,,] source)
{
return(source.AsEnumerable((_1, _2, _3) => true));
}
