public static void printListInformation(LazyList list)
{
Console.WriteLine("Enter the index of the element: ");
int index;
bool invalid = false;
if (!int.TryParse(Console.ReadLine(), out index))
{
invalid = true;
}
else if (index < 0)
{
invalid = true;
}
if (invalid)
{
Console.WriteLine("Invalid input!");
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
return;
}
Console.WriteLine("list[{0}] = {1}", index, list.Element(index));
Console.WriteLine("Size of the list is {0}", list.Size());
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
}