Re: Add instance MonadFail (f :*: g)

Works for me. +1 On Sun, Aug 11, 2019 at 12:38 PM Dannyu NDos wrote:

instance (MonadFail f, MonadFail g) => MonadFail (f :*: g) where fail s = fail s :*: fail s _______________________________________________ Libraries mailing list Libraries@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/libraries