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10 TechQA 2025-01-06 13:19:00MonadPlus instance for Control.Eff when Exc is member
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Asked by koral
Appropriate uses of Monad `fail` vs. MonadPlus `mzero`
2.9k views
Asked by jberryman
Requires MonadPlus (ST a) Instance
247 views
Asked by emi
Haskell: Is (MonadPlus m => Bool -> a -> m a) not useful?
301 views
Asked by rampion
What’s an example of a Monad which is an Alternative but not a MonadPlus?
1.2k views
Asked by Antal Spector-Zabusky
Confused by the meaning of the 'Alternative' type class and its relationship to other type classes
10.4k views
Asked by Matt Fenwick
How to convert a failed computation to a successful one and vice versa
259 views
Asked by Matt Fenwick
What was wrong with Control.MonadPlus.Free?
379 views
Asked by Petr
If MonadPlus is the "generator" class, then what is the "consumer" class?
602 views
Asked by Dan Burton
Obtaining a Bool out of [Maybe Bool] which is guaranteed to contain at least one Just
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Asked by Enlico