managed
unliftio
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| managed | unliftio | |
|---|---|---|
| - | 5 | |
| 49 | 150 | |
| - | 0.0% | |
| 0.0 | 3.9 | |
| about 1 year ago | 3 months ago | |
| Haskell | Haskell | |
| BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 or later |
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managed
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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.
What are some alternatives?
distributed-fork - A distributed data processing framework in Haskell.
recursion-schemes - Generalized bananas, lenses and barbed wire
contravariant - Haskell 98 contravariant functors
lifted-base - IO operations from the base library lifted to any instance of MonadBase or MonadBaseControl
parallel - a library for parallel programming
mmorph - Monad morphisms
freer-simple - A friendly effect system for Haskell
Workflow - re-startable monad that recover the execution state from a log, and workflow patterns
motor - Type-safe effectful state machines in Haskell
exceptional - A simple Haskell type for pure code that could go wrong.
monad-validate - (NOTE: REPOSITORY MOVED TO NEW OWNER: https://github.com/lexi-lambda/monad-validate) A Haskell monad transformer library for data validation
layers - Modular type class machinery for monad transformer stacks.