LispEngine.Lexing.Scanner.isSubsequent C# (CSharp) Method

        private bool isSubsequent()
        {
            return isInitial() || isDigit() || isSpecialSubsequent();
        }

 private static void matchSymbol(Scanner s)
 {
     if (!s.isInitial())
     {
         return;
     }
     s.readChar();
     while (s.isSubsequent())
     {
         s.readChar();
     }
 }