Nice, yes, that works just as well :)

On Tuesday, July 12, 2011 4:09:09 PM UTC-6, LaPingvino wrote:
>
> Didn't try, but shoudn't (def alist `(1 ~(fn [x y] (+ x y)))) be better? 
> Then you don't need the eval :)
>
> 2011/7/12 Benny Tsai <benny...@gmail.com>
>
>> alist is missing parens around the fn, so it's really a list of 4 elements 
>> like so:
>>
>>
>>   (1, fn, [x y], (+ x y))
>>
>> So (second alist) returns just the symbol 'fn.  And when you apply a 
>> Symbol to a list, the result is the last item in the list (not sure why).
>>
>> To do what you want, alist should be defined like this:
>>
>>   (def alist '(1 (fn [x y] (+ x y))))
>>
>> Also, it seems that the definition of the function needs to be eval'ed 
>> first to become an apply-able function.  The following returns 4 in my REPL:
>>
>>   (apply (eval (second alist)) '(1 3))
>>  
>> -- 
>> You received this message because you are subscribed to the Google
>> Groups "Clojure" group.
>> To post to this group, send email to clo...@googlegroups.com
>> Note that posts from new members are moderated - please be patient with 
>> your first post.
>> To unsubscribe from this group, send email to
>> clojure+u...@googlegroups.com
>> For more options, visit this group at
>> http://groups.google.com/group/clojure?hl=en
>>
>
>

-- 
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your 
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en

Reply via email to