[Haskell-beginners] Parser using the show method

[PICCA Frederic-Emmanuel]

Hello

>    data SpaceGroup = P1 | P2 | P21 | C2 | P222
>                    deriving (Show, Read)
>
>    p = read <$> takeText

this is excalty what I wanted. In my case I use readMaybe.

Do you know if a version existe of readMaybe with Text instead of String