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1. head1 :: Foldable1 f => f a -> a

   relude	Relude.Extra.Foldable1

   The first element of a non-empty data structure.

   >>> head1 (1 :| [2, 3, 4])
   1
   

2. header :: Int -> Inlines -> Blocks

   pandoc-types	Text.Pandoc.Builder

   No documentation available.

3. headerWith :: Attr -> Int -> Inlines -> Blocks

   pandoc-types	Text.Pandoc.Builder

   No documentation available.

4. head_ :: Monad m => Stream (Of a) m r -> m (Maybe a)

   streaming	Streaming.Prelude

   No documentation available.

5. headWith :: Options -> String -> IO (Response ())

   wreq	Network.Wreq

   Issue a HEAD request, using the supplied Options. Example:

   let opts = defaults & param "foo" .~ ["bar"]
   headWith opts "http://httpbin.org/get"
   
   

   >>> let opts = defaults & param "foo" .~ ["bar"]
   
   >>> r <- headWith opts "http://httpbin.org/get"
   
   >>> r ^? responseHeader "Connection"
   Just "keep-alive"
   

6. head_ :: String -> IO (Response ())

   wreq	Network.Wreq

   Issue a HEAD request. Example:

   head_ "http://httpbin.org/get"
   
   

   >>> r <- head_ "http://httpbin.org/get"
   
   >>> r ^? responseHeader "Content-Type"
   Just "application/json"
   

7. header :: HeaderName -> Lens' Options [ByteString]

   wreq	Network.Wreq

   A lens onto all headers with the given name (there can legitimately be zero or more). Example:

   let opts = defaults & header "Accept" .~ ["*/*"]
   getWith opts "http://httpbin.org/get"
   
   

8. headers :: Lens' Options [Header]

   wreq	Network.Wreq

   A lens onto all headers (there can legitimately be zero or more). In this example, we print all the headers sent by default with every request.

   print (defaults ^. headers)
   
   

9. header :: HeaderName -> Lens' Options [ByteString]

   wreq	Network.Wreq.Lens

   A lens onto all headers with the given name (there can legitimately be zero or more). Example:

   let opts = defaults & header "Accept" .~ ["*/*"]
   getWith opts "http://httpbin.org/get"
   
   

10. headers :: Lens' Options [Header]

    wreq	Network.Wreq.Lens

    A lens onto all headers (there can legitimately be zero or more). In this example, we print all the headers sent by default with every request.

    print (defaults ^. headers)
    
    

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