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Within LTS Haskell 24.51 (ghc-9.10.3)

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1. renderVersionPage :: String -> Version -> [Chunk]

   opt-env-conf	OptEnvConf.Doc

   Render the output of --version

2. findPager :: IO ByteString

   pager	System.Pager

   This finds the user's $PAGER. This will fail if:

   • There is no $PATH variable
   • The user doesn't have a less or more installed, and hasn't specified an alternate program via $PAGER.

3. printOrPage :: Text -> IO ()

   pager	System.Pager

   If the user's terminal is long enough to display the (strict) Text, just print it. Else, send it to the pager. The text needs to be strict, because the function counts the number of lines in the text. (This is also why it needs to be text, and not a bytestring, because Text has stuff like line-counting).

4. sendToPager :: ByteString -> IO ()

   pager	System.Pager

   Send a lazy ByteString to the user's $PAGER.

5. sendToPagerConduit :: Producer (ResourceT IO) ByteString -> IO ()

   pager	System.Pager

   This is what sendToPager uses on the back end. It takes a Producer, from Data.Conduit, and then sends the produced bytes to the pager's stdin.

6. sendToPagerStrict :: ByteString -> IO ()

   pager	System.Pager

   Send a strict ByteString to the user's $PAGER.

7. ZeroPageIndex :: PaginationException

   pagination	Data.Pagination

   Page index was zero (they start from one)

8. ZeroPageSize :: PaginationException

   pagination	Data.Pagination

   Page size (number of items per page) was zero

9. hasNextPage :: Paginated a -> Bool

   pagination	Data.Pagination

   Is there next page?

10. hasOtherPages :: Paginated a -> Bool

    pagination	Data.Pagination

    Test whether there are other pages.

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