Re: [Haskell-beginners] return IO () vs. ()

On Sun, May 29, 2011 at 1:29 AM, Chaddaï Fouché wrote:

On Sun, May 29, 2011 at 3:33 AM, Antoine Latter wrote:

...

I think you might have your parenthesis in the wrong spot.

Instead of

...

x >>= (\a -> y a) >> z

you probably want:

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x >>= (\a -> y a >> z)

Does that make sense?

No, that shouldn't change anything (except maybe performance, but not here), monads have a property close to associativity which means that changing the parenthesis shouldn't change the meaning of your code, you don't have to worry about that.

-- Jedaï

That's right Chaddaï, I was just able to do the following and it worked: calcCUVs account >>= (\cuvs -> saveCUVs account cuvs) Thanks. N.