Short and simple answer: NullPointerException
(def object-locations nil)
(object-locations 'bucket) will throw
('bucket object-locations) => nil
HTH,
/thomas
On Wednesday, July 9, 2014 3:48:53 PM UTC+2, Cecil Westerhof wrote:
>
> When you have:
> (def object-locations {
> 'whiskey 'living-room
> 'bucket 'living-room
> 'chain 'garden
> 'frog 'garden
> 'dummy 'nowhere
> 'test 'nowhere
> })
>
> You can retrieve the location of the bucket with:
> (object-locations 'bucket)
> and with:
> ('bucket object-locations)
>
> Personally I find the first better, but ‘Clojure Programming' uses the
> second possibility. What is the better way and why?
>
> --
> Cecil Westerhof
>
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