Hi,
I thought update-in could help but it looks as complicated as your solution:
(use 'clojure.contrib.string)
(loop [m mymap, ks (keys m)]
(let [new-m (update-in m [(first ks)] #(if (string? %) (upper-case %) %))
more (rest ks)]
(if-not (empty? more)
(recur new-m more)
new-m)))
I'm a total newbie so I may also miss an obvious and more simple solution.
2011/2/21 yair <yair....@gmail.com>
> I'm hoping this is a dumb question and I've missed something obvious.
> I have a map with various key-value pairs and I want to transform some
> of the values, e.g.
>
> (def mymap {:first "john" :last "smith" :age 25}) and say I want to
> change the strings to be upper case.
> Right now all I can think of doing is using reduce and passing in an
> empty map and the re-associating each key with the (possibly)
> transformed value. Is there something like the map function that
> takes two parameters, one a function that receives a pair and returns
> a new pair, and the other a map, and returns a map that's
> reconstituted from those pairs?
>
> Thanks
>
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Damien Lepage
http://damienlepage.com
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