haskell print hello world code example

Example 1: haskell print

-- Use 'putStrLn' to print

ghci> putStrLn "Hello World!"
Hello World!

-- Type of 'putStrLn' function
ghci> :t putStrLn  
putStrLn :: String -> IO ()

Example 2: hello world in haskell

main :: IO ()
main = putStrLn "Hello, World!"