Update Read1 NonEmpty and Read1 Down

[Dannyu NDos]

It would be better if liftReadPrec is used instead of liftReadsPrec.

instance Read1 NonEmpty where
     liftReadPrec rp rl = paren $ prec 5 $ do
          x <- rp
          Symbol ":|" <- lexP
          xs <- rl
          pure (x :| xs)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/libraries/attachments/20191218/19995046/attachment.html>