Remove Error class constraint on ErrorT

Question

Remove Error class constraint on ErrorT

singpolyma opened this issue 11 years ago · 4 comments

Or provide ExceptT/EitherT -- this typeclass constraint was originally a result of the monad fail function in Haskell, and the latest Haskell transformers package is deprecating it -- I vote we just remove it here, simplifies things a lot.

paf31 commented 11 years ago

Agreed.

Answer 1 · 2014-10-21T08:29:25.000Z

Sounds good, we don't have fail either.

Answer 2 · 2015-03-22T20:40:16.000Z

I'd like to revisit this. I think it would be good to move to ExceptT.

Answer 3 · 2015-07-03T10:59:53.000Z

We now have both.