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maybeToExceptT

Open BebeSparkelSparkel opened this issue 5 years ago • 0 comments

maybeToExceptT seems like a useful feature.

maybeT2ExceptT :: Functor m => e -> MaybeT m a -> ExceptT e m a and

maybe2ExceptT :: e -> Maybe a -> ExceptT e m a

https://hackage.haskell.org/package/transformers-0.5.6.2/docs/Control-Monad-Trans-Maybe.html#v:maybeToExceptT

BebeSparkelSparkel avatar Jan 09 '20 12:01 BebeSparkelSparkel