public LinkedSet <T> Union(LinkedSet <T> set, bool UseLinq = false)
{
if (UseLinq)
{
return(new LinkedSet <T>(this.set.Union(set.set)));
}
else
{
LinkedSet <T> result = new LinkedSet <T>(this.set);
foreach (var item in set.set)
{
result.Add(item);
}
return(result);
}
}
public LinkedSet <T> Intersection(LinkedSet <T> set, bool UseLinq = false)
{
if (UseLinq)
{
return(new LinkedSet <T>(this.set.Intersect(set.set)));
}
else
{
LinkedSet <T> result = new LinkedSet <T>();
List <T> smallSet;
List <T> bigSet;
if (Count < set.Count)
{
smallSet = this.set;
bigSet = set.set;
}
else
{
smallSet = set.set;
bigSet = this.set;
}
foreach (var itemSmall in smallSet)
{
foreach (var itemBig in bigSet)
{
if (itemSmall.Equals(itemBig))
{
result.Add(itemSmall);
break;
}
}
}
return(result);
}
}