public SetCustom SymmetricExceptWith(SetCustom other)
{
SetCustom union = Union(other);
SetCustom intersect = IntersectWith(other);
return(union.ExceptWith(intersect));
}
static void Print(SetCustom customSet)
{
foreach (var item in customSet)
{
Console.Write("{0} ", item);
}
Console.WriteLine();
}
public SetCustom ExceptWith(SetCustom other)
{
SetCustom result = new SetCustom(_items);
foreach (var item in other)
{
result.Remove(item);
}
return(result);
}
public SetCustom IntersectWith(SetCustom other)
{
SetCustom result = new SetCustom();
foreach (var item in _items)
{
if (other.Contains(item))
{
result.Add(item);
}
}
return(result);
}
//Deleting elements from the Set - see above (Method Remove)
//Determining the existance of the element in the Set - see above (Method Contains)
//Number of elements in the Set - see above (Property Count)
//Enumerator - see above (Method GetEnumerator)
#region Method Union - unions two sets
public SetCustom Union(SetCustom other)
{
SetCustom result = new SetCustom(_items);
foreach (var item in other)
{
if (!Contains(item))
{
result.Add(item);
}
}
return(result);
}
public bool Subset(SetCustom other)
{
SetCustom result = new SetCustom(_items);
foreach (var item in other._items)
{
result.Remove(item);
}
if (result == null)
{
return(true);
}
else
{
return(false);
}
}
static void Main(string[] args)
{
SetCustom set1 = new SetCustom();
SetCustom set2 = new SetCustom();
SetCustom set3 = new SetCustom();
set1.Add("John");
set1.Add("Mark");
set1.Add("Fred");
set1.Add("Julie");
set1.Add(1);
set1.Add(2);
set1.Add(3);
set1.Add(4);
set1.Add(5);
Console.WriteLine(new string('-', 60));
int [] array = { 4, 5, 6, 7 };
set2.AddRange(array);
set2.Add("Mark");
set2.Add("Fred");
set2.Add("James");
Console.WriteLine(new string('-', 60));
//Union
Console.Write("\nPrinting the set1: ");
Print(set1);
Console.Write("\nPrinting the set2: ");
Print(set2);
Console.WriteLine("Union:");
set3 = set1.Union(set2);
Print(set3);
//Difference
Console.WriteLine(new string('-', 60));
Console.Write("\nPrinting the set1: ");
Print(set1);
Console.Write("\nPrinting the set2: ");
Print(set2);
Console.WriteLine("Difference:");
set3 = set1.ExceptWith(set2);
Console.Write("\nPrinting the set3: ");
Print(set3);
//Intersection
Console.WriteLine(new string('-', 60));
Console.Write("\nset1: ");
Print(set1);
Console.Write("\nset2: ");
Print(set2);
Console.WriteLine("Intersection:");
set3 = set1.IntersectWith(set2);
Console.Write("\nset3: ");
Print(set3);
//Symmetric Difference
Console.WriteLine(new string('-', 60));
Console.Write("\nset1: ");
Print(set1);
Console.Write("\nset2: ");
Print(set2);
Console.WriteLine("Symmetric Difference:");
set3 = set1.SymmetricExceptWith(set2);
Console.Write("\nset3: ");
Print(set3);
//Subset?
Console.WriteLine(new string('-', 60));
Console.Write("\nset1: ");
Print(set1);
Console.Write("\nset2: ");
Print(set2);
Console.WriteLine("Is the set1 a subset of set2?: {0}", set1.Subset(set2));
}