Hoogle Search

Within LTS Haskell 24.60 (ghc-9.10.3)

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  1. lookup :: Feed1 -> Radix1Tree a -> Maybe a

    radix-tree Data.Radix1Tree.Word8.Lazy

    Look up the value at a key in the tree.

  2. lookup :: Feed1 -> Radix1Tree a -> Maybe a

    radix-tree Data.Radix1Tree.Word8.Strict

    Look up the value at a key in the tree.

  3. lookup :: Feed -> RadixTree a -> Maybe a

    radix-tree Data.RadixTree.Word8.Lazy

    Look up the value at a key in the tree.

  4. lookup :: Feed -> RadixTree a -> Maybe a

    radix-tree Data.RadixTree.Word8.Strict

    Look up the value at a key in the tree.

  5. lookup :: Word -> Zebra -> Color

    radix-tree Data.Zebra.Word

    Look up the color of the key.

  6. lookup :: Str -> Dictionary a -> Maybe a

    rattletrap Rattletrap.Type.Dictionary

    No documentation available.

  7. lookup :: Int -> Vector a -> Maybe a

    rrb-vector Data.RRBVector

    The element at the index or Nothing if the index is out of range.

  8. lookup :: Eq a => a -> Slist (a, b) -> Maybe b

    slist Slist

    O(n). Looks up by the given key in the slist of key-value pairs. 

    >>> lookup 42 $ slist $ [(1, "one"), (2, "two")]
Nothing

>>> lookup 42 $ slist $ [(1, "one"), (2, "two"), (42, "life, the universe and everything")]
Just "life, the universe and everything"

>>> lookup 1 $ zip (infiniteSlist  [1..]) (infiniteSlist [0..])
Just 0

  9. lookup :: ISessionManager r => Text -> r -> Maybe Text

    snap Snap.Snaplet.Session.SessionManager

    Lookup a key in session

  10. lookup :: (Monad m, Eq a) => a -> SerialT m (a, b) -> m (Maybe b)

    streamly Streamly.Internal.Data.Stream.IsStream

    In a stream of (key-value) pairs (a, b), return the value b of the first pair where the key equals the given value a. 

    lookup = snd <$> Stream.find ((==) . fst)
lookup = Stream.fold Fold.lookup

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