Thanks for your input Alex.
Do you think a macro would be appropriate if I use this more than once in
my code?
Ryan
On Thursday, February 21, 2013 5:41:49 PM UTC+2, Alex Baranosky wrote:
>
> I'd often just write it like this:
>
> (defn create-map []
>> (merge {:foo "a"
>> :bar "b"
>> ... many more keys}
>> (when (some-condition-true)
>> {:extra-key value)))
>
>
> Alex
>
> On Thu, Feb 21, 2013 at 7:27 AM, Ryan <areka...@gmail.com <javascript:>>wrote:
>
>> Thanks Meikel for your reply.
>>
>> It wasn't clear on my example, but I wish to use *merge *inside my
>> create-map function. Do you think I should bind my hash-map to a let
>> variable first and then apply merge, or do you have another proposal? What
>> i mean is this:
>>
>> (defn create-key-value [value]
>>
>> (when (some-condition-true) {:extra-key value))
>>
>>
>> (defn create-map []
>>> (let [my-map {:foo "a" :bar "b"}]
>>> (merge my-map (create-key-value "some-value")))
>>
>>
>> Is the above "clojurish" or is there a better way? For example if the
>> my-map was a big hash-map, and not with just two pairs, wouldn't it be ugly
>> with the above way? or..it's just fine and no better way is possible?
>>
>> Ryan
>>
>> On Thursday, February 21, 2013 5:02:21 PM UTC+2, Meikel Brandmeyer
>> (kotarak) wrote:
>>>
>>> Hi,
>>>
>>> merge works with nil. So (merge (create-map) (create-key-value
>>> "some-value")) should work as you intend with the functions as they are
>>> defined now.
>>>
>>> Kind regards
>>> Meikel
>>>
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