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Within LTS Haskell 24.38 (ghc-9.10.3)

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  1. tryIOErrorMaybe :: forall (r :: EffectRow) a . Member (Embed IO) r => IO a -> Sem r (Maybe a)

    incipit-core Incipit.Exception

    Run an IO via Embed and catch IOError, returning Maybe.

  2. tryIOMaybe :: forall e (r :: EffectRow) a . (Exception e, Member (Embed IO) r) => IO a -> Sem r (Maybe a)

    incipit-core Incipit.Exception

    Run an IO via Embed and catch exceptions of type e, returning Maybe.

  3. tryMaybe :: forall (r :: EffectRow) a . Member (Embed IO) r => IO a -> Sem r (Maybe a)

    incipit-core Incipit.Exception

    Run an IO via Embed and catch all exceptions, returning Maybe.

  4. fromMaybeJSString :: FromJSString a => JSVal -> JSM (Maybe a)

    jsaddle-dom JSDOM.Types

    No documentation available.

  5. nullableToMaybe :: FromJSVal a => JSVal -> JSM (Maybe a)

    jsaddle-dom JSDOM.Types

    No documentation available.

  6. toMaybeJSString :: ToJSString a => Maybe a -> JSM JSVal

    jsaddle-dom JSDOM.Types

    No documentation available.

  7. catMaybeI :: Parser (Maybe a) -> Parser a

    json-stream Data.JsonStream.Parser

    Filter Nothing values out of a stream

  8. mapMaybeM :: Monad m => Maybe a -> (a -> m b) -> m (Maybe b)

    language-c Language.C.Analysis.TravMonad

    No documentation available.

  9. sMapMaybe :: state -> (update -> Maybe state) -> SFlow update state

    midair Midair.Handy

    No documentation available.

  10. iterateMaybeM :: Monad m => (a -> m (Maybe a)) -> a -> m [a]

    monad-extras Control.Monad.Extra

    Monadic equivalent to iterate, which uses Maybe to know when to terminate.

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