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• IO in action
  ...g for operations (actions) that interact with the outside world. The <code>IO</code> type is abstract: no constructors are visible to the user. [...] data IO -- abstract
  4 KB (674 words) - 07:12, 12 June 2023
• Iteratee
  ...www.haskell.org/pipermail/haskell-cafe/2010-February/072838.html safe lazy IO or Iteratee?] ...ww.mail-archive.com/haskell-cafe@haskell.org/msg45890.html Lazy vs correct IO]
  2 KB (228 words) - 15:18, 6 February 2021
• Binary IO
  ...//hackage.haskell.org/package/base-4.6.0.1/docs/System-IO.html#g:21 System.IO] ...rovides byte level operations, and is used in some applications for binary IO
  2 KB (254 words) - 19:03, 23 October 2013
• Introduction to Haskell IO/Actions
  of actions but we'll start with a very important one called an '''IO''' action. Here are some examples of IO actions:
  14 KB (2,254 words) - 20:41, 10 November 2020
• Xmonad/Config archive/David Roundy's xmonad.hs
  main :: IO ()
  148 bytes (19 words) - 15:17, 6 February 2021
• Random shuffle
  import Data.Array.IO shuffle :: [a] -> IO [a]
  5 KB (743 words) - 13:10, 9 May 2017
• Disposing of dismissives
  * <code>closeIORef :: IORef a -> IO ()</code> * <code>endMVar :: MVar a -> IO ()</code>
  3 KB (431 words) - 04:31, 9 June 2022
• Fizzbuzz
  main :: IO()
  466 bytes (55 words) - 15:18, 6 February 2021
• Blog articles
  * [[/IO|IO in Haskell]]
  2 KB (225 words) - 11:34, 27 February 2019
• 99 questions/Solutions/68
  preInTree po@(x:xs) io = do (lio,_:rio) <- return $ break (== x) io
  2 KB (280 words) - 03:43, 10 January 2017
• Handling errors in Haskell
  ...rarely but can happen and can be handled if needs be. Typically caused by IO going wrong in some way, like the machine running out of swap and your prog * <hask>try :: Exception e => IO a -> IO (Either e a) </hask>
  5 KB (795 words) - 08:03, 3 August 2017
• Short examples/BF interpreter
  type BF a b = StateT (Ptr a) IO b tape <- (mallocBytes 10000 :: IO (Ptr Word8))
  2 KB (242 words) - 01:12, 26 April 2021
• Haskell Quiz/FizzBuzz/Solution Ninju
  main :: IO ()
  546 bytes (69 words) - 15:19, 6 February 2021
• Gtk2Hs/Tutorials/TreeView
  main :: IO () oneSelection :: ListStore String -> Model.TreeSelection -> IO ()
  2 KB (280 words) - 00:46, 9 April 2021
• Monomorphism by annotation of type variables
  primitive newIORef :: monomo a . a -> IO (IORef a) :import Prelude(Bool, Char, Double, Either, Float, Int, IO, Integer)
  3 KB (459 words) - 08:33, 18 August 2021
• Cookbook/Databases access
  main :: IO () rows <- query_ conn "SELECT * from t1" :: IO [(Int, String, Maybe Double, Maybe UTCTime)]
  2 KB (254 words) - 09:57, 29 March 2022
• Stupid Curry Tricks
  ...the file "hi.txt", but it can easily be modified to interact with standard IO or read a file passed on the command line. The most interesting part is th import System.IO
  2 KB (238 words) - 15:18, 6 February 2021
• 99 questions/Solutions/46
  ...th table; most of the complexity here comes from the string conversion and IO. The approach used here accepts a Boolean function <tt>(Bool -> Bool -> Boo table :: (Bool -> Bool -> Bool) -> IO ()
  4 KB (655 words) - 07:48, 27 April 2016
• Merely monadic
  === <code>IO</code>, in particular === ...according to the implementation's private definition of the abstract <code>IO</code> type.
  6 KB (988 words) - 04:35, 16 March 2021
• MonadPlus reform proposal
  ...tisfy '''Left Distribution''', while others such as <tt>Maybe</tt> and <tt>IO</tt> satisfy '''Left Catch'''. ...uestion the claim that Maybe and IO should be thought of as "left catch". IO is not even in MonadPlus, and I don't see how it can be meaningfully in any
  4 KB (609 words) - 18:22, 23 June 2015

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