public SimpleSet <T> Difference(SimpleSet <T> set)
{
return(new SimpleSet <T>(items.Except(set.items)));
//var result = new SimpleSet<T>(items);
//foreach (var item in set.items)
//{
// result.Remove(item);
//}
//return result;
}
public SimpleSet <T> Union(SimpleSet <T> set)
{
return(new SimpleSet <T>(items.Union(set.items)));
//var result = new SimpleSet<T>();
//foreach (var item in items)
//{
// result.Add(item);
//}
//foreach (var item in set.items)
//{
// result.Add(item);
//}
//return result;
}
public bool Subset(SimpleSet <T> set)
{
//return set.items.All(i => items.Contains(i));
foreach (var item in set.items)
{
if (items.Contains(item))
{
continue;
}
else
{
return(false);
}
}
return(true);
}
public SimpleSet <T> Intersection(SimpleSet <T> set)
{
return(new SimpleSet <T>(items.Intersect(set.items)));
//var result = new SimpleSet<T>();
//foreach (var item1 in items)
//{
// foreach(var item2 in set.items)
// {
// if(item1.Equals(item2))
// {
// result.Add(item1);
// break;
// }
// }
//}
//return result;
}
public SimpleSet <T> SymmetricDifference(SimpleSet <T> set)
{
return(new SimpleSet <T>(items.Except(set.items).Union(set.items.Except(items))));
}
