haskell-effectful effectful · Discussions · GitHub

help implementing change in control flow
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Providing a "view" over mutable state

sirrus233 asked May 14, 2025 in Q&A · Answered

8
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How to handle errors at callsite vs app-wide?

seanhess asked Aug 26, 2025 in Q&A · Answered

5
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What is the role of localEs when it can be bypassed without localUnlift?

torgeirsh asked Jul 16, 2025 in Q&A · Unanswered

14
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How to write a function that performs a check action with one effect es1, and then returns a stream with other effects es2?

jerbaroo asked Jul 17, 2025 in Q&A · Answered

2
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How to perform parallel evaluation of streams ?

jerbaroo asked Jul 17, 2025 in Q&A · Unanswered

5
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What's the right way of doing error handling?

eddiemundo asked Mar 23, 2023 in Q&A · Unanswered

10
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Can I save the result of localSeqUnlift and call it some time later?

ruifengx asked Jul 9, 2025 in Q&A · Answered

4
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Understanding persistence modes for ConcUnlift

torgeirsh asked Mar 19, 2025 in Q&A · Unanswered

1
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What is the recommended way to handle multiple of the same effects?

tonyalaribe asked Mar 19, 2025 in Q&A · Answered

2
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How to support hasql-transaction?

abigailalice asked Jan 24, 2025 in Q&A · Unanswered

1
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Call stacks for Error

torgeirsh asked Feb 14, 2025 in Q&A · Unanswered

1
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Why do mutable State interpreters not require embedded IO?

Burtannia asked Feb 9, 2025 in Q&A · Unanswered

1
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Decorator-style handler

emlautarom1 asked Feb 3, 2025 in Q&A · Unanswered

7
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Pre/post processing in Effect handler

emlautarom1 asked Feb 3, 2025 in Q&A · Answered

5
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Does effectful have a policy on thread safety?

tomjaguarpaw asked Jan 7, 2025 in Q&A · Answered

2
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Unlifting issue when using unliftio-pool

fpringle asked Jan 6, 2025 in Q&A · Answered

4
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Using with a base monad other that IO

newhoggy asked Nov 17, 2024 in Q&A · Answered

12
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How to implement early return in effectful?

kedashoe asked Dec 16, 2024 in Q&A · Answered

6
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How do I remove IOE effect from my static api?

newhoggy asked Nov 21, 2024 in Q&A · Answered

2
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Is it possible to convert an effectful function into a IO function to be stored in a data structure?

newhoggy asked Nov 19, 2024 in Q&A · Answered

5
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How to Properly Integrate Effectful with Hedgehog Using H.evalIO and H.evalM?

newhoggy asked Nov 18, 2024 in Q&A · Answered

7
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How to use the localBorrow family of functions properly in the context of an effect action returning a function m a -> IO a?

jaecam asked Nov 16, 2024 in Q&A · Closed · Unanswered

1
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Overlapping Instances problem

eldritch-cookie asked Nov 6, 2024 in Q&A · Closed · Answered

4
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Capturing the continuation of an effect invocation

osa1 asked Nov 3, 2024 in Q&A · Answered

2
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Interpreting effectful callbacks in effects in the same environment

osa1 asked Oct 30, 2024 in Q&A · Answered

5