Thanks for the demo ... the next part of my code will decide if the key is
in an atom feed so I will be testing for false in the results too - FTW
indeed :D
On Saturday, 25 May 2013 21:01:31 UTC+2, atkaaz wrote:
>
> => (doall (map #(remove :dh-uuid %)
> '(({:a2p-id "1", :dh-uuid "abc-def-ghi-klm"} {:a2p-id "2",
> :dh-uuid "def-ghi-klm-opq"} {:a2p-id "3", :dh-uuid nil}) ({:a2p-id "1",
> :dh-uuid "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid "def-ghi-klm-opq"}
> {:a2p-id "3", :dh-uuid *false*}))
> ))
> (({:a2p-id "3", :dh-uuid nil}) ({:a2p-id "3", :dh-uuid *false*}))
>
> idiomatic clojure ftw :)
>
>
> On Sat, May 25, 2013 at 9:38 PM, Mond Ray <[email protected]<javascript:>
> > wrote:
>
>> This is my latest working invocation:
>>
>> (doall (map #(remove :dh-uuid %) (map find-records query-parts)))
>> (({:a2p-id "3", :dh-uuid nil}) ({:a2p-id "3", :dh-uuid nil}))
>>
>> The list of maps is retained which might be useful later.
>>
>> Thanks
>>
>> On Saturday, 25 May 2013 20:15:19 UTC+2, sdegutis wrote:
>>
>>> Wouldn't (remove :dh-uuid (apply concat (map find-records query-parts)))
>>> be better?
>>>
>>>
>>> On Sat, May 25, 2013 at 1:09 PM, Mond Ray <[email protected]> wrote:
>>>
>>>> Bingo:
>>>>
>>>> user=> (filter (complement :dh-uuid) (apply concat (map find-records
>>>> query-parts)))
>>>> ({:a2p-id "3", :dh-uuid nil} {:a2p-id "3", :dh-uuid nil})
>>>>
>>>> Thanks everyone!
>>>>
>>>>
>>>> On Saturday, 25 May 2013 19:29:55 UTC+2, Andy Fingerhut wrote:
>>>>
>>>>> Woops, and here I wasn't being careful enough... You have a list (or
>>>>> sequence) of two elements, both of which are lists (or sequences) of
>>>>> maps.
>>>>> You can use (apply concat (map find-records query-parts)) to return a
>>>>> single list containing nothing but maps.
>>>>>
>>>>> Andy
>>>>>
>>>>>
>>>>> On Sat, May 25, 2013 at 10:27 AM, Andy Fingerhut <[email protected]
>>>>> > wrote:
>>>>>
>>>>>> If (map find-records query-parts) is returning this expression:
>>>>>>
>>>>>>
>>>>>> (({:a2p-id "1", :dh-uuid "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid
>>>>>> "def-ghi-klm-opq"} {:a2p-id "3", :dh-uuid nil}) ({:a2p-id "1", :dh-uuid
>>>>>> "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid "def-ghi-klm-opq"} {:a2p-id
>>>>>> "3",
>>>>>> :dh-uuid nil}))
>>>>>>
>>>>>> then especially note the double parentheses. That is a list (or
>>>>>> sequence), whose first element is a list (or sequence) of maps. You can
>>>>>> use (first (map find-records query-parts)) to get the inner list.
>>>>>>
>>>>>> Andy
>>>>>>
>>>>>>
>>>>>> On Sat, May 25, 2013 at 4:21 AM, Mond Ray <[email protected]> wrote:
>>>>>>
>>>>>>> I am missing something obvious... I get a list of maps back from a
>>>>>>> function and I want to find the elements with nil
>>>>>>>
>>>>>>> (({:a2p-id "1", :dh-uuid "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid
>>>>>>> "def-ghi-klm-opq"} {:a2p-id "3", :dh-uuid nil}) ({:a2p-id "1", :dh-uuid
>>>>>>> "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid "def-ghi-klm-opq"} {:a2p-id
>>>>>>> "3",
>>>>>>> :dh-uuid nil}))
>>>>>>>
>>>>>>> I try the select function but it has no effect ... same list
>>>>>>>
>>>>>>> (set/select #(not (:dh-uuid %)) (map find-records query-parts))
>>>>>>>
>>>>>>> also tried the previously working example... same list
>>>>>>>
>>>>>>> (filter #(not (:dh-uuid %)) (map find-records query-parts))
>>>>>>>
>>>>>>> I am assuming that I am not indexing into each of the maps but I
>>>>>>> cannot remember or find out how to do this ... all examples only show
>>>>>>> one
>>>>>>> map
>>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> Ray
>>>>>>>
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