public bool Contains(Object o)
{
if (!(o is HashMapEntry <K, V>))
{
return(false);
}
HashMapEntry <K, V> e = (HashMapEntry <K, V>)o;
IHashMapEntry <K, V> candidate = _map.GetEntry(e.Key);
return(candidate != null && candidate.Equals(e));
}
/// <summary>
/// remove the mapping for a specified entry
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public IHashMapEntry <K, V> RemoveMapping(object o)
{
if (!(o is HashMapEntry <K, V>))
{
return(null);
}
HashMapEntry <K, V> entry = (HashMapEntry <K, V>)o;
//object k = maskNull(entry.Key);
int thehash = hash(entry.Key);
int i = indexFor(thehash, table.Length);
IHashMapEntry <K, V> prev = table[i];
IHashMapEntry <K, V> e = prev;
while (e != null)
{
IHashMapEntry <K, V> next = e.Next;
if (e.Hash == thehash && e.Equals(entry))
{
modCount++;
size--;
if (prev == e)
{
table[i] = next;
}
else
{
prev.Next = next;
}
return(e);
}
prev = e;
e = next;
}
return(e);
}
