That is a great article. Possibly there is a solution to this using 
tree-seq. I hope to explore that at some point. 


On Wednesday, March 8, 2017 at 3:50:02 PM UTC-5, Erik Assum wrote:
>
> You've already gotten your answer, but since Alex mentioned postwalk, and 
> the problem looks like a flattening problem, I thought the following post 
> might be of interest:
>
> https://mwfogleman.github.io/posts/20-12-2014-flatcat.html
>
>
> Erik. 
> -- 
> i farta
>
> Den 8. mar. 2017 kl. 18.38 skrev piast...@gmail.com <javascript:>:
>
>
> Given this: 
>
> {:positive :true {30 {4 {50 43, 1000 32}, 6 {40 12, 90 2}, 8 {777 23, 9090 
> 1}}}
>
> I'd like a series of arrays that I can feed into (reduce) so I can easily 
> sum them:
>
> [ 30 4 50 43 ]
>
> [ 30 4 1000 32 ]
>
> [ 30 6 40 12 ]
>
> [ 30 6 90 2 ]
>
> [ 30 8 777 23 ]
>
> [ 30 8 9090 1 ]
>
> I've been trying to work this out using "walk" recursively, but then I 
> wondered if perhaps I am missing something obvious? Does Clojure offer a 
> straightforward way to do this?
>
>
>
>
>
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