Re: [Haskell-cafe] Why do I need a 'do'?

On Wed, 29 Apr 2009, michael rice wrote:

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import System.Random

rollDice :: IO Int rollDice = getStdRandom (randomR (1,6))

rollNDice :: Int -> [IO Int] rollNDice 0 = [] rollNDice n = rollDice : rollNDice (n-1)

replicateM n rollDice http://www.haskell.org/haskellwiki/Avoiding_IO#State_monad