docs: public static int parseIntAscii(final CharSequence cs, final int index, final int length)
      {
          final int endExclusive = index + length;
          final int first = cs.charAt(index);
          int i = index;
  
          if (first == MINUS_SIGN)
          {
              i++;
          }
  
          int tally = 0;
          for (; i < endExclusive; i++)
          {
              tally = (tally * 10) + AsciiEncoding.getDigit(i, cs.charAt(i));
          }
  
          if (first == MINUS_SIGN)
          {
              tally = -tally;
          }
  
          return tally;
      }