Re: [Haskell-beginners] ByteString unfold that can fail

If there is an unfoldM like function then that might do the job, with Maybe or MaybeT m as your choice of monad. Ollie On Mon, 2 May 2016, 11:49 p.m. John Ky, wrote:

Hello,

Does anyone know of anything like Data.ByteString.unfoldr, except that it can fail with a return value?

Cheers,

-John ​ _______________________________________________ Beginners mailing list Beginners@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners