Intro-CSharp-Book-v2015

768 Въведение в програмирането със C#
/// Performs intersection of this set with the specified set
///
/// Set to intersect with
public void IntersectWith(TreeSet other)
{
List elementsToRemove =
new List(Math.Min(this.Count, other.Count));
foreach (T key in this.innerDictionary.Keys)
{
if (!other.Contains(key))
{
elementsToRemove.Add(key);
}
}
}
foreach (T elementToRemove in elementsToRemove)
{
this.Remove(elementToRemove);
}
///
/// Performs an union operation with another set
///
/// The set to perform union with
public void UnionWith(TreeSet other)
{
foreach (T key in other)
{
this.innerDictionary[key] = true;
}
}
#region ICollection Members
void ICollection.Add(T item)
{
this.Add(item);
}
public void Clear()
{
this.innerDictionary.Clear();
}
public bool Contains(T item)
{
return this.innerDictionary.ContainsKey(item);