Maybe this will help:
> (update-in [[] 2 3 4] [0] (constantly 1))
[1 2 3 4]
> (update-in [[] 2 3 4] [2] (constantly 1))
[ [ ] 2 1 4]
> (update-in [[] 2 3 4] [1] (constantly 1))
[ [ ] 1 3 4]
> (update-in [[] 2 3 4] [0 :a] (constantly :b))
java.lang.IllegalArgumentException: Key must be integer
> (update-in [[] 2 3 4] [0 0 :a] (constantly :b))
[ [{:a :b}] 2 3 4]
On Tue, Apr 8, 2014 at 6:22 PM, Ivan Schuetz <ivanschu...@gmail.com> wrote:
> I would use merge to update the record with the map... but I don't know
> how to get it from filter operation. Maybe I should not solve this with
> 1-liner.
>
> Am Mittwoch, 9. April 2014 00:14:09 UTC+2 schrieb Ivan Schuetz:
>
>> Ahh dataprovider/products should be "items". Forgot to "simplify".
>>
>>
>> Am Mittwoch, 9. April 2014 00:12:48 UTC+2 schrieb Ivan Schuetz:
>>>
>>> Hi,
>>>
>>> sorry I don't get it. I just started learning Clojure.
>>>
>>> I did this to remove element with id 1
>>>
>>> (commute items #(remove (fn [x](= (:id x) id)) %))
>>>
>>> From your statement I understand update-in would work for the update,
>>> but I don't know the syntax. Something like
>>>
>>> (commute dataprovider/products #(update-in % {:id id} (->Item ???)
>>> ))
>>>
>>>
>>>
>>>
>>> Am Mittwoch, 9. April 2014 00:01:00 UTC+2 schrieb Gary Trakhman:
>>>>
>>>>
>>>>> But 1. Can't find examples with records, 2. Not sure if I can use it
>>>>> to update a different field than the one I'm using to do the query. In the
>>>>> examples fields seem to be the same.
>>>>>
>>>>>
>>>>>
>>>> Leave off the last path segment and return the full updated record, not
>>>> just the new field's value.
>>>>
>>> --
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