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- File hello.hs
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main = putStr "Hello world.\n"
-- Haskell98 Hello world program
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| NB. |
- putStr :: String -> IO ()
- putStrLn :: String -> IO ()
- putChar :: Char -> IO ()
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- File hello02.hs
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main = putStr "Hello " >> putStr "World" >> putStrLn "."
-- Another Hello world
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- NB. The operator >> combines two (or more) IO actions
7/2002
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www
Haskell:
| (:) | cons |
| [x1,...] | list |
| [ ] | list |
| (++) | append |
| \ | λ :-) |
| :: | has type |
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