(reduce + (map :b p))
Cheers
Andreas
On 15 April 2011 10:43, Bhinderwala, Shoeb <sabhinderw...@wellington.com>wrote:
> I am a beginner in Clojure.
>
> I have a list of maps:
>
> (def p '({:a 1 :b 2 :c 4}, {:a 2 :b 3 :c 5}, {:a 3 :b 4 :c 6}))
>
> How do I add up all the :b values in the map? Result should be 9 (=2+3+4)
>
> I know I should be using one of the higher level functions like apply,
> reduce and combine it with a custom filter function. But not sure how to
> write it.
>
> *******-- Shoeb*
>
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Leica Geosystems Pty Ltd
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