io.IoLexer.readDigits C# (CSharp) Method

        public int readDigits()
        {
            int read = 0;
            pushPos();

            while (readDigit() != 0)
            {
                read = 1;
            }

            if (read == 0)
            {
                popPosBack();
                return 0;
            }

            popPos();
            return read;
        }