[Haskell-beginners] Maybe monad and computations

[divyanshu ranjan]

Hi,
  Can you provide little more details or code snippet as It is not
clear what you want to achieve.

Thanks
Divyanshu Ranjan

On Sat, Sep 7, 2013 at 1:19 AM, Emmanuel Touzery <etouzery at gmail.com> wrote:
> Hello,
>
>  I'm often using the Maybe monad to combine Maybe computations one after the
> other without conditionals.
>
>  But I'm not sure how to do it, when I have several operations which return
> Maybe and I want all the indiviual values in the end, not a combination of
> the values.
>
>  Currently I do:
>
> let allTogether = do
>   ma <- doA
>   mb <- doB
>   return (ma, mb)
> case allTogether of
>   Nothing -> ...
>   Just (a, b) -> ...
>
>  This way in this case I have one case instead of two, however I'm sure
> there must be a nicer way to achieve this result?
>
>  Thank you!
>
> Emmanuel
>
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