Re: [Haskell-cafe] Attoparsec: Limiting Parsers to N Bytes, or Combing Parsers?

On 24/09/11 05:21, Evan Laforge wrote:

hex2 = (+)<$> ((*16)<$> higit)<*> higit higit = subtract (fromEnum '0')<$> satisfy isHexDigit color = Color<$> hex2<*> hex2<*> hex2

How is "subtract (fromEnum '0')" supposed to convert a hex digit to an Int or Word8? I think you need digitToInt (or an equivalent function) for that. Twan