public virtual int Remove(K1 o1, K2 o2)
{
IntCounter <K2> c = GetCounter(o1);
int oldCount = GetCount(o1, o2);
total -= oldCount;
c.Remove(o2);
if (c.IsEmpty())
{
Sharpen.Collections.Remove(map, o1);
}
return(oldCount);
}
public virtual void RemoveZeroCounts()
{
ICollection <K1> firstKeySet = Generics.NewHashSet(FirstKeySet());
foreach (K1 k1 in firstKeySet)
{
IntCounter <K2> c = GetCounter(k1);
Counters.RetainNonZeros(c);
if (c.IsEmpty())
{
Sharpen.Collections.Remove(map, k1);
}
}
}
