fork(2) download 
  1. import Debug.Trace
  2.  
  3. i = 3.0
  4.  
  5. main :: IO ()
  6. main = traceShow i $ putStrLn "Hello world"
stdin 
Standard input is empty
stdout 
Hello world
stderr 
3.0
https://ideone.com/4RWp2P
language:
Haskell (ghc 8.4.4)
created:
6 years ago
visibility:
public

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