public PrefixTree Build()
{
PrefixTree tree = new PrefixTree();
foreach(string word in _words)
{
tree.Insert(word);
}
return tree;
}
public WordSolver(IWordList wordList)
{
#region Sanity Check
if (wordList == null)
{
throw new ArgumentNullException("wordList", "No word list provided.");
}
#endregion
_wordList = wordList;
_tree = _wordList.Build();
}