C#实现翻转字符串的方法

Func<string, string> ReverseString = delegate(string s){  char[] word = s.ToCharArray();  for (int i = 0, j = (s.Length - 1); i < j; i++, j--)  {    char _temp = word[i];    word[i] = s[j];    word[j] = _temp;  }  return new string(word);};