public void Remove(MultiSet <KEY> multiSet)
{
foreach (KEY local in multiSet)
{
if (this._values.ContainsKey(local))
{
int num = this._values[local].Value - multiSet.Occurrence(local);
if (num > 0)
{
this._values[local] = new int?(num);
continue;
}
this._values.Remove(local);
}
}
}
public void AddAll(ICollection <KEY> collection)
{
MultiSet <KEY> set = collection as MultiSet <KEY>;
if (set != null)
{
foreach (KEY local in set)
{
this.Add(local, set.Occurrence(local));
}
}
else
{
foreach (KEY local2 in collection)
{
this.Add(local2);
}
}
}