I figured out.. Thank you so much.
On Thu, Jan 7, 2016 at 5:51 PM, Magnus Therning
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@therning.org jabber: magnus@therning.org twitter: magthe http://therning.org/magnus
Finagle's Fifth Law: Always draw your curves, then plot your readings.
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