Or use destructuring:

(let [[x y z] [1 2 3 4]]
   (.setOrigin x y z))

I myself would always prefer this method as it describes gives the
elements in the vector a structure. See [1] for a blog post about
this.

[1]: http://tech.puredanger.com/2011/10/12/2-is-a-smell/

On Sat, Jun 23, 2012 at 12:09 PM, Vinzent <ru.vinz...@gmail.com> wrote:
> You're passing one argument, a list contaning 3 elements, instead of 3
> arguments. Try this (by the way, you can omit nth call):
>
> (.SetOrigin cone (v 0) (v 2) (v 3))
>
> Another option (not really relevant in this particular case) is to use
> memfn:
>
> (apply (memfn SetOrigin) cone [2 4 6])
>
> суббота, 23 июня 2012 г., 15:33:23 UTC+6 пользователь Antonio Recio написал:
>>
>> I have an object called cone. I can change the origin of the cone with
>> this:
>> (.SetOrigin cone 1 1 1)
>>
>> I have a vector called v
>> (def v [2 4 6 8])
>>
>> And I would like to take 3 elements of the vector v and to set to the
>> origin of the cone. But when I write this I obtain an error:
>> (.SetOrigin cone (list (nth v 0) (nth v 2)(nth v 3)))
>> ;=> #<ClassCastException java.lang.ClassCastException: Cannot cast
>> clojure.lang.PersistentList to [D>
>>
>> What I am doing wrong?
>>
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-- 
Moritz Ulrich

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