/// <summary>
/// Sets the specified element in the current random access list to the
/// specified value.
/// </summary>
/// <param name="value">
/// The new value for the specified element.
/// </param>
/// <param name="index">
/// An integer that represents the position of the random access list
/// element to set.
/// </param>
/// <returns>
/// A new random access list top node with the element at the specified
/// position set to the specified value.
/// </returns>
public RalTopNode SetValue(object value, int index)
{
RalTopNode result;
// If the element is in the tree represented by the current top
// node.
if (index < Root.Count)
{
// Descend into the tree.
result = new RalTopNode(
root.SetValue(value, index),
NextNode);
}
// Else the element is further along in the list.
else
{
// Move to the next top node.
result = new RalTopNode(
root,
NextNode.SetValue(value, index - Root.Count));
}
return(result);
}
