public static CustomSet <T> Union(CustomSet <T> set1, CustomSet <T> set2)
{
if (set1 == null || set2 == null)
{
throw new ArgumentNullException();
}
CustomSet <T> result = new CustomSet <T>(set1);
for (int i = 0; i < set2.Count; i++)
{
result.Add(set2.Collection[i]);
}
return(result);
}
public override bool Equals(object obj)
{
if (!(obj is CustomSet <T>))
{
return(false);
}
if (ReferenceEquals(this, obj))
{
return(true);
}
CustomSet <T> customSetObj = (CustomSet <T>)obj;
if (Count != customSetObj.Count)
{
return(false);
}
return(!customSetObj.Where((t, i) => !Collection.Contains(customSetObj.Collection[i])).Any());
//for (int i = 0; i < customSetObj.Count; i++)
// if (!Collection.Contains(customSetObj.Collection[i]))
// return false;
//return true;
}
protected bool Equals(CustomSet <T> other) => Equals(Collection, other.Collection);
//public CustomSet(T[] elements) : this(elements.Length + 1)
//{
// Collection = new CustomCollection<T>(elements);
//}
public CustomSet(CustomSet <T> set)
{
Collection = new CustomCollection <T>(set.Collection);
}