Careful - `flatten` recursively flattens sequential things. E.g.
(flatten (seq {:in [1 2 3]})) => '(:in 1 2 3), which is probably not what
you want.
You really want `flatten1`, which doesn't exist in core. A version that
works on maps is
(apply concat {:in [1 2 3]}) => '(:in [1 2 3]). This appears within Alex's
solution.
I would personally go with Meikel's solution, though. It seems the nicest.
--Leif
On Monday, September 9, 2013 7:02:43 PM UTC-4, Mark Mandel wrote:
>
> The solution I've actually gone with is:
>
> (apply esd/search es-index mapping-type (-> options seq flatten))
>
> Seems the most consise and shows the intent of what I'm trying to do quite
> well - better than a (relatively) confusing `reduce` statement.
>
> Again, the help is appreciated.
>
> Mark
>
>
> On Tue, Sep 10, 2013 at 8:57 AM, Mark Mandel <[email protected]<javascript:>
> > wrote:
>
>> Thanks for the help all, that gave me some things to think about.
>>
>> Cheers,
>>
>> Mark
>>
>>
>> On Mon, Sep 9, 2013 at 9:22 PM, Meikel Brandmeyer (kotarak) <
>> [email protected] <javascript:>> wrote:
>>
>>> Hi,
>>>
>>> Am Montag, 9. September 2013 12:31:30 UTC+2 schrieb Alex Fowler:
>>>
>>>> I would also add that in case, if you *need* to destructure the
>>>> `options` map for some reason, like:
>>>>
>>>> `(defn search
>>>> "Docstring"
>>>> [mapping-type & {:keys [option-1 option-2] :as options}]
>>>> (do-smth-with-option-1 ...)
>>>> (apply esd/search es-index mapping-type options))`
>>>>
>>>> then you can use `mapply` to apply maps to functions that accept
>>>> optional args maps. The code of mapply is the fllowing:
>>>>
>>>> `(defn mapply [f & args] (apply f (apply concat (butlast args) (last
>>>> args))))`
>>>>
>>>> Combining it with partial, as adviced, could give you the functionality
>>>> you may sometimes need:
>>>>
>>>> `(mapply (partial es/search es-index) your-options-map)`
>>>>
>>>>
>>> You don't have to destructure in the argument list:
>>>
>>> (defn search
>>> [mapping-type & options]
>>> (let [{:keys [option-1]} options
>>> index (index-based-on option-1)]
>>> (apply esd/search index mapping-type options)))
>>>
>>> Kind regards
>>> Meikel
>>>
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>>
>>
>>
>> --
>> E: [email protected] <javascript:>
>> T: http://www.twitter.com/neurotic
>> W: www.compoundtheory.com
>>
>> 2 Devs from Down Under Podcast
>> http://www.2ddu.com/
>>
>
>
>
> --
> E: [email protected] <javascript:>
> T: http://www.twitter.com/neurotic
> W: www.compoundtheory.com
>
> 2 Devs from Down Under Podcast
> http://www.2ddu.com/
>
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