[Haskell-beginners] Re: Searching Maybe lists

[aditya siram]

>
>
>
> You will have to write  orMaybe  as
>
>   orMaybe Nothing  y = y
>   orMaybe x        _ = x
>
> though. (By the way, your original code for  orMaybe  doesn't seem to do
> what you want.) This function has already been implemented for you, it's
> called
>
>   mplus


My function 'orMaybe' takes two arguments m1 m2, if one of them is Nothing,
it returns Nothing, if m1 is Just , it returns m1, if m2 is Just, it returns
m2. This seems to be what I want. Why is this incorrect?

However, your function 'orMaybe' is much more concise and elegant.

thanks ...
-deech
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