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Within LTS Haskell 24.6 (ghc-9.10.2)

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  1. lookup :: MonadUnion l m => Node -> m (Node, l)

    union-find-array Control.Monad.Union

    Find the node representing a given node, and its label.

  2. lookup :: MonadUnion l m => Node -> m (Node, l)

    union-find-array Control.Monad.Union.Class

    Find the node representing a given node, and its label.

  3. lookup :: Union l -> Node -> (Node, l)

    union-find-array Data.Union

    Look up the representative of a node, and its label.

  4. lookup :: UnionST s l -> Int -> ST s (Int, l)

    union-find-array Data.Union.ST

    Look up the representative of a given node and its label.

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

    verset Verset

    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"

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

    xmonad-contrib XMonad.Config.Prime

    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"

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

    xmonad-contrib XMonad.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"

  8. lookup :: forall a (l :: Type -> Type) . Typeable a => XConfig l -> Maybe a

    xmonad-contrib XMonad.Util.ExtensibleConf

    Config-time: Retrieve a configuration value of the requested type.

  9. data Lookup (a :: k) (c :: [(k, b)]) (d :: Maybe b)

    first-class-families Fcf

    Find an element associated with a key in an association list.

  10. data Lookup (a :: k) (c :: [(k, b)]) (d :: Maybe b)

    first-class-families Fcf.Data.List

    Find an element associated with a key in an association list.

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