static void Main(string[] args)
{
CustomHashSet <int> firstSet = new CustomHashSet <int>();
firstSet.Add(5);
firstSet.Add(1);
firstSet.Add(6);
CustomHashSet <int> secondSet = new CustomHashSet <int>();
secondSet.Add(3);
secondSet.Add(1);
secondSet.Add(6);
var union = firstSet.Union(secondSet);
Console.WriteLine("-------------Union-------------");
foreach (var item in union)
{
Console.WriteLine(item);
}
var intersection = firstSet.Intersect(secondSet);
Console.WriteLine("-------------Intersection-------------");
foreach (var item in intersection)
{
Console.WriteLine(item);
}
}
public IEnumerable <T> Intersect(IEnumerable <T> otherHashSet)
{
CustomHashSet <T> intersection = new CustomHashSet <T>();
foreach (var element in this)
{
bool isFound = otherHashSet.Contains(element);
if (isFound)
{
intersection.Add(element);
}
}
return(intersection);
}
public IEnumerable <T> Union(IEnumerable <T> otherHashSet)
{
CustomHashSet <T> union = new CustomHashSet <T>();
foreach (var element in this)
{
bool isFound = otherHashSet.Contains(element);
if (!isFound)
{
union.Add(element);
}
}
foreach (var element in otherHashSet)
{
bool isFound = this.Contains(element);
if (!isFound)
{
union.Add(element);
}
}
return(union);
}
