unliftio
effect-monad
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unliftio | effect-monad | |
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5 | - | |
150 | 98 | |
0.0% | - | |
3.9 | 0.0 | |
4 months ago | 9 months ago | |
Haskell | Haskell | |
MIT License | BSD 3-clause "New" or "Revised" License |
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unliftio
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UnliftIO, ExceptT and Coercible
FWIW, your suggestion is very similar to a proposed instance for MonadUnliftIO (ExceptT e), except that effectfuls use of the type system means that it doesn't suffer from one of the proposed downsides (dubious interaction with catchAny).
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How introduce `ResourceT` into my stack
Possibly interesting thread here: https://github.com/fpco/unliftio/issues/68
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Is `MonadBaseControl` dead?
Any way quoting u/snoyberg : https://github.com/fpco/unliftio/issues/17#issuecomment-363655106
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Try.do is dangerous
That's not true. It's just writing that instance is a bit tricky: https://github.com/fpco/unliftio/issues/68
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Try.do for recoverable errors in Haskell
However, ExceptT cannot be an instance of MonadUnliftIO – because it necessarily requires multiple exit points. See this discussion which should give you an idea of how hairy and unpredictable this can be.
effect-monad
We haven't tracked posts mentioning effect-monad yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
recursion-schemes - Generalized bananas, lenses and barbed wire
extensible-effects - Extensible Effects: An Alternative to Monad Transformers
lifted-base - IO operations from the base library lifted to any instance of MonadBase or MonadBaseControl
ReplicateEffects - Composable replication schemes of applicative functors in Haskell
mmorph - Monad morphisms
retry - Retry combinators for monadic actions that may fail
Workflow - re-startable monad that recover the execution state from a log, and workflow patterns
lens-tutorial - The missing tutorial module for the lens library
managed - A monad for managed values
either - the EitherT monad transformer
exceptional - A simple Haskell type for pure code that could go wrong.
record - Anonymous records