Haskell - how to write array to file?

Posted by MMM on Stack Overflow See other posts from Stack Overflow or by MMM
Published on 2010-05-24T08:41:50Z Indexed on 2010/05/24 8:51 UTC
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haskell

I am trying:

saveArr = do
    outh <- openFile "test.txt" WriteMode
    hPutStrLn outh [1,2,3]
    hClose outh

but it doesn't works... output:

No instance for (Num Char) arising from the literal `1'

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Haskell - how to write array to file?

haskell

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Understanding Haskell's fibonacci

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