safe-exceptions
foldl
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| safe-exceptions | foldl | |
|---|---|---|
| 3 | 1 | |
| 132 | 156 | |
| 0.0% | - | |
| 3.4 | 4.3 | |
| 6 months ago | about 2 months ago | |
| Haskell | Haskell | |
| MIT License | BSD 3-clause "New" or "Revised" License |
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safe-exceptions
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Spooky Masks and Async Exceptions
In case anyone is interested, there's a long discussion on this ticket. Still hoping somebody will respond to my comment.
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Async Control Flow
In safe-exception and uniftio it was decided to rethrow the original exception exactly because they decided to use uninterruptibleMask, see here for details.
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Why exactly I want Boring Haskell to happen
unliftio (and safe-exceptions) contains a very controversial choice of of using uninterruptibleMask inside its bracket. The argument for it seem to come from this issue and comes from the fact that one of the most popular resource finalizers hClose is interruptible. This is a simplification. It is interruptible only if a file handle is used concurrently. Such usage of file handles is rather odd, and it suggest wrong architecture, for example leaking file handles using concurrency. When using file handles in synchronous setting, what withFile pattern encourages, hClose will not block and thus mask is enough.
foldl
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How lazy do push streams need to be?
Re Haskell Foldl: do you mean it doesn't support finite streams? Because the limitation of Foldl is precisely the fact that it is strict and doesn't support early termination. See https://github.com/Gabriella439/foldl/issues/85
What are some alternatives?
unexceptionalio - IO without any PseudoExceptions
ReplicateEffects - Composable replication schemes of applicative functors in Haskell
ifcxt - constraint level if statements
foldl-incremental
atl - Arrow Transformer Library
foldl-exceptions - Exception handling with FoldM
effect-monad - Provides 'graded monads' and 'parameterised monads' to Haskell, enabling fine-grained reasoning about effects.
foldl-transduce-attoparsec - Attoparsec and foldl-transduce integration.
transient - A full stack, reactive architecture for general purpose programming. Algebraic and monadically composable primitives for concurrency, parallelism, event handling, transactions, multithreading, Web, and distributed computing with complete de-inversion of control (No callbacks, no blocking, pure state)
concurrent-state
time-warp
parallel - a library for parallel programming