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Within LTS Haskell 24.60 (ghc-9.10.3)

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  1. lookup :: Key -> WordMap v -> Maybe v

    discrimination Data.Discrimination.Internal.WordMap

    No documentation available.

  2. lookup :: Eq a => a -> [(a, b)] -> Maybe b

    distribution-opensuse OpenSuse.Prelude

    lookup key assocs looks up a key in an association list. For the result to be Nothing, the list must be finite.

    Examples

    >>> lookup 2 []
Nothing

    >>> lookup 2 [(1, "first")]
Nothing

    >>> lookup 2 [(1, "first"), (2, "second"), (3, "third")]
Just "second"

  3. lookup :: Eq a => a -> [(a, b)] -> Maybe b

    faktory Faktory.Prelude

    lookup key assocs looks up a key in an association list. For the result to be Nothing, the list must be finite.

    Examples

    >>> lookup 2 []
Nothing

    >>> lookup 2 [(1, "first")]
Nothing

    >>> lookup 2 [(1, "first"), (2, "second"), (3, "third")]
Just "second"

  4. lookup :: Text -> Header -> Maybe Value

    fits-parse Data.Fits

    No documentation available.

  5. lookup :: Eq a => a -> CmdMemoizer a b -> Maybe b

    ghci4luatex Data.Memoizer.Commands

    Access the memoized result of a command if it is equal to the current memoized command

  6. lookup :: (Eq a, Ord k) => a -> SessionMemoizer k a b -> Maybe b

    ghci4luatex Data.Memoizer.Sessions

    Lookup the memoized result of the current session.

  7. lookup :: Ord k => Group s k -> k -> IO (Maybe (W s))

    glfw-group Graphics.UI.GlfwG.Window

    No documentation available.

  8. lookup :: forall k (c :: Type -> Type) v . (PMapKey k, NonEmptyLike c) => k -> PMap c v -> Maybe v

    greskell Data.Greskell.AsLabel

    Lookup the first value for the key from PMap.

  9. lookup :: forall k (c :: Type -> Type) v . (PMapKey k, NonEmptyLike c) => k -> PMap c v -> Maybe v

    greskell Data.Greskell.PMap

    Lookup the first value for the key from PMap.

  10. lookup :: (Hashable k, Ord k) => k -> Map k a -> Maybe a

    hashmap Data.HashMap

    Lookup the value at a key in the map.

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