private void CreateChains(WordChain currentChain, IEnumerable <string> nextSteps)
{
chainsToProcess.AddRange(nextSteps.Select(word => new WordChain(currentChain, word)));
}
internal WordChain(WordChain existingChain, string endWord)
{
EndWord = existingChain.EndWord;
Path = new List <string>(existingChain.Path);
AddWordToChain(endWord);
}
