public StringIndexOf(string str)
{
for (int index = str.Length - 1; 0 <= index; index--)
{
DictionaryTools.Put(_map, str[index], index);
}
}
public void Put(K key, V value)
{
DictionaryTools.Put(_kv, key, value);
DictionaryTools.Put(_vk, value, key);
}