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Within LTS Haskell 24.41 (ghc-9.10.3)

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  1. headM :: (Storable a, Monad m) => Vector a -> m a

    rio RIO.Vector.Storable.Partial

    No documentation available.

  2. headM :: (Unbox a, Monad m) => Vector a -> m a

    rio RIO.Vector.Unboxed.Partial

    No documentation available.

  3. headRequest :: String -> Request_String

    HTTP Network.HTTP

    A convenience constructor for a HEAD Request. If the URL isn't syntactically valid, the function raises an error.

  4. headerToChallenge :: URI -> Header -> Maybe Challenge

    HTTP Network.HTTP.Auth

    headerToChallenge base www_auth tries to convert the WWW-Authenticate header www_auth into a Challenge value.

  5. headerMap :: [(String, HeaderName)]

    HTTP Network.HTTP.Headers

    headerMap is a straight assoc list for translating between header names and values.

  6. headDef :: a -> [a] -> a

    errors Control.Error

    No documentation available.

  7. headMay :: [a] -> Maybe a

    errors Control.Error

    No documentation available.

  8. headErr :: e -> [a] -> Either e a

    errors Control.Error.Safe

    A head that fails in the Either monad

  9. headZ :: MonadPlus m => [a] -> m a

    errors Control.Error.Safe

    A head that fails using mzero

  10. head_ :: Term arg result => arg -> result

    lucid Lucid.Html5

    head element

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