Actually, drop filter - just (apply merge sequ) is enough.
On Mon, Jul 8, 2013 at 6:16 PM, Alexander Solovyov
<alexan...@solovyov.net>wrote:
> The simplest way I see is
>
> (apply merge (filter identity '({:apple "red and crunchy"} nil nil {:Numb
> 1} nil nil {:Field "FRUIT.Description"})))
>
> results in
>
> {:Field "FRUIT.Description", :Numb 1, :apple "red and crunchy"}
>
>
>
> On Mon, Jul 8, 2013 at 6:01 PM, VaedaStrike
> <supercriticalfl...@gmail.com>wrote:
>
>> So I have data structure that's equivalent to the following—
>>
>> ({:apple "red and crunchy"} nil nil {:Numb 1} nil nil {:Field
>> "FRUIT.Description"})
>>
>> and I'm trying to combine the maps into a single map and I'm just being
>> flummoxed
>>
>> I tried destructuring it and then applying a merge to the maps while not
>> touching the 'nil's but I'm not getting that to work, here's the code I
>> tried—
>>
>>
>> (def sequ ({:apple "red and crunchy"} nil nil {:Numb 1} nil nil {:Field
>> "FRUIT.Description"}))
>> ::The above is just representing the structure I get from a previous
>> parse function.
>> ;; If there's a way to alter this so it works with what I'm trying to do
>> please
>> ;; let me know, or if I'm just doing it all wrong let me know as well!!
>>
>>
>> (defn extract-n-merge-map [sequ]
>> (let [(a _ _ b _ _ c) sequ]
>> (merge a b c)))
>>
>> ;; This is giving me "unsupported binding form: (a _ _ b _ _ c) at line
>> ..."
>>
>> Basically I'm using instaparse to take a block of code in another
>> language and trying to automate it's transformation to a new format.
>>
>> I thought that parsing out and taging it's components in a map would give
>> me an overall process that would make other such
>> automatons in the future much easier, but since this is my first attempt
>> at using clojure to do something productive I'm just
>> riddled with noobness and it's just getting so frustrating to have gotten
>> this far and not being able to figure out how to get over the
>> last hump.
>>
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>>
>
>
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