[Haskell-beginners] Pattern Matching for record syntax

[Jeon-Young Kang]

I  figured out.. Thank you so much.

On Thu, Jan 7, 2016 at 5:51 PM, Magnus Therning <magnus at therning.org> wrote:

>
> Jeon-Young Kang writes:
>
> > For pattern matching.. I implemented like this.
> >
> > compareName a (Person name age)
> >         | (a == name) = age
> >
> > but, I got stuck how to apply pattern matching for the two lists.
> > i.e., both names and persons are lists.
> >
> > I really appreciate your advice..
>
> Something like this works:
>
>     map age $ filter (\ p -> (name p) `elem` names) persons
>
> /M
>
> --
> Magnus Therning              OpenPGP: 0x927912051716CE39
> email: magnus at therning.org   jabber: magnus at therning.org
> twitter: magthe               http://therning.org/magnus
>
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>
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