/// <summary>
/// Изменяет текущий набор, чтобы он содержал только элементы, которые также имеются в заданной коллекции
/// </summary>
public void IntersectWith(IEnumerable <T> other)
{
var newSet = new MySet <T>();
foreach (var element in other)
{
if (FindNode(head, element))
{
newSet.Add(element);
}
}
head = newSet.head;
Count = newSet.Count;
newSet.Clear();
}
static void Main(string[] args)
{
MySet <string> set = new MySet <string>();
set.Add("Test");
set.Add("Another one");
set.Add("Test");
set.Add("12345");
foreach (var s in set)
{
Console.WriteLine(s);
}
Console.WriteLine("Number of elements in set: {0}", set.Count);
set.Remove("12345");
foreach (var s in set)
{
Console.WriteLine(s);
}
Console.WriteLine("Is set empty? {0}", set.IsEmpty);
set.Clear();
Console.WriteLine("Is set empty? {0}", set.IsEmpty);
MySet <string> a = new MySet <string>
{
"Test",
"12345",
"May the force be with you"
};
MySet <string> b = new MySet <string>
{
"May the force be with you",
"Bazinga",
"12345",
"Test"
};
//Subset:
Console.WriteLine("Is a subset of b? {0}", a.IsSubsetOf(b));
Console.WriteLine("Is b subset of a? {0}", b.IsSubsetOf(a));
//Union:
var unionSet = a.UnionWith(b);
Console.WriteLine("Union:");
foreach (var element in unionSet)
{
Console.WriteLine(element);
}
//Intersection:
var intersectSet = a.IntersectWith(b);
Console.WriteLine("Intersection:");
foreach (var element in intersectSet)
{
Console.WriteLine(element);
}
}