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Within LTS Haskell 24.62 (ghc-9.10.3)

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  1. updateLookupWithKey :: forall s k a . Ord k => (Key s k -> a -> Maybe a) -> k -> Map s k a -> (Maybe (Key s k, a), SomeMapWith (SupersetProof 'Regular s) k a)

    refined-containers Data.Map.Strict.Refined

    If the given key is in the map, update or delete it using the given function with a proof that the key was in the map; otherwise the map is unchanged. Alongside return the new value if it was updated, or the old value if it was deleted, and a proof that the key was in the map.

  2. kvLookup :: KeyValue sess => Key sess -> sess -> Maybe (Value sess)

    serversession-frontend-wai Web.ServerSession.Frontend.Wai

    No documentation available.

  3. kvLookup :: KeyValue sess => Key sess -> sess -> Maybe (Value sess)

    serversession-frontend-wai Web.ServerSession.Frontend.Wai.Internal

    No documentation available.

  4. sessionLookup :: HasSession hs => ByteString -> Controller hs (Maybe ByteString)

    simple-session Web.Simple.Session

    Lookup a key from the current Requests session.

  5. tryLookup :: Ord k => TMapChan k a -> k -> STM (Maybe a)

    tmapchan Control.Concurrent.STM.TMapChan

    No documentation available.

  6. tryLookup :: (Eq k, Hashable k) => TMapChan k a -> k -> STM (Maybe a)

    tmapchan Control.Concurrent.STM.TMapChan.Hash

    No documentation available.

  7. utf8LookupString :: XIC -> XEventPtr -> IO (Maybe String, Maybe KeySym)

    x11-xim Graphics.X11.Xim

    No documentation available.

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