On 2/2/06, Maurício <[EMAIL PROTECTED]> wrote:
> I understand those examples, but I really would like to know how to
> do that with monads. I would like to ask the same question, but now with
> this code:
>
> double a = 1000;
> double b = 0;
> while (a != b) {
> a /= 2;
> cout << a; // Prints a
> cin << b; // User gives a number, stored in b
> };
An idiomatic approach:
example :: Double -> Double -> IO ()
example a b
| a == b = return ()
| otherwise = do
let a' = a / 2
print a'
b' <- readLn
example a' b'
main = example 1000 0
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