Or: (reduce #(+ %1 (:b %2)) 0 p)
:)
On Apr 15, 10:51 am, Andreas Kostler <andreas.koest...@leica-
geosystems.com> wrote:
> (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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> --
> **********************************************************
> Andreas Koestler, Software Engineer
> Leica Geosystems Pty Ltd
> 270 Gladstone Road, Dutton Park QLD 4102
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>
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>
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