AjTalk.Language.Block.MessageArity C# (CSharp) Method

        public static byte MessageArity(string msgname)
        {
            if (!Char.IsLetter(msgname[0]))
                return 1;

            int p = msgname.IndexOf(':');

            if (p < 0)
                return 0;

            byte n = 0;

            foreach (char ch in msgname)
                if (ch == ':')
                    n++;

            return n;
        }