public void Encode(T value, List <int> encoding)
{
if (!_leafDictionary.ContainsKey(value))
{
throw new ArgumentException("Invalid value in Encode");
}
HuffmanNode <T> nodeCur = _leafDictionary[value];
var reverseEncoding = new List <int>();
while (!nodeCur.IsRoot)
{
reverseEncoding.Add(nodeCur.Bit);
nodeCur = nodeCur.Parent;
}
reverseEncoding.Reverse();
encoding.AddRange(reverseEncoding);
}