/// <summary>
/// Creates and returns a sorted view of the source list, using the specified comparison object.
/// </summary>
/// <typeparam name="T">The type of items in the list.</typeparam>
/// <param name="list">The list to be sorted. As long as the returned view is referenced, the source list should not be modified in any way.</param>
/// <param name="comparer">The comparison object.</param>
/// <param name="others">Other lists to be kept in sync with the sorted view. As the view is sorted, the same relative elements are rearranged in these lists.</param>
/// <returns>The sorted view of the source list.</returns>
public static ISortedList <T> SortIndirect <T>(this IList <T> list, IComparer <T> comparer, params ListExtensions.ISwappable[] others)
{
var indirect = new IndirectList <T>(list);
indirect.Indices.Sort(indirect.GetComparer(comparer), others);
return(indirect.AsSorted(comparer));
}
/// <summary>
/// Creates and returns a view of the source list in which the elements are in a random order, using the specified random number generator delegate.
/// </summary>
/// <typeparam name="T">The type of elements in the source list.</typeparam>
/// <param name="list">The source list. As long as the returned view is referenced, the size of the source list should not change.</param>
/// <param name="randomNumberGenerator">The random number generator delegate; when invoked with a value <c>n</c>, this delegate must return a random number in the range [0, n).</param>
/// <param name="others">Other lists to be kept in sync with the randomized view. As the view is randomized, the same relative elements are rearranged in these lists.</param>
/// <returns>The randomized view of the source list.</returns>
public static IList <T> RandomShuffleIndirect <T>(this IList <T> list, Func <int, int> randomNumberGenerator, params ISwappable[] others)
{
var indirect = new IndirectList <T>(list);
indirect.Indices.RandomShuffle(randomNumberGenerator, others);
return(indirect);
}
