public IEnumerable <string> Find(string chars)
{
var result = new List <string>();
var wordChars = new WordCharacters(chars);
foreach (var child in Children.Values)
{
child.Visit(wordChars.Clone(), result);
}
return(result);
}
internal void Visit(WordCharacters chars, List <string> results)
{
if (chars.Take(Current))
{
if (IsWord)
{
results.Add(chars.Word);
}
foreach (var child in Children.Values)
{
child.Visit(chars.Clone(), results);
}
}
}
public WordCharacters(WordCharacters chars)
{
_remainingChars = new List <char>(chars._remainingChars);
_takenChars = new List <char>(chars._takenChars);
}