Yamool.CWSharp.Dawg.MatchsPrefix C# (CSharp) Method

        public IEnumerable<KeyValuePair<string, int>> MatchsPrefix(string prefix)
        {
            if (prefix == null)
            {
                prefix = string.Empty;
            }
            var nextNode = _root;
            for (var i = 0; nextNode != null && i < prefix.Length; i++)
            {
                nextNode = nextNode.Next(prefix[i]);
            }
            if (nextNode == null)
            {
                yield break;
            }
            foreach (var matchWord in IterateNodesString(prefix, nextNode))
            {
                yield return matchWord;
            }
        }