What exactly does the line
(= (obj obj-locs) loc)
do?
What is an "obj" exactly? From your code it seems that an obj is going
to be 'bottle or 'bucket. I'm not sure what happens if you treat a
symbol as a function.
-Patrick
On Mar 27, 10:02 pm, HB <hubaghd...@gmail.com> wrote:
> Hi,
> Would you please have a look at this code:
>
> (def *objects* '(bottle bucket frog chain))
>
> (def *object-locations* {:bottle 'living-room, :bucket 'living-
> room, :chain 'garden, :frog 'garden})
>
> (defn objects-at [loc objs obj-locs]
> (letfn [(is-obj-at? [obj]
> (= (obj obj-locs) loc))]
> (filter is-obj-at? objs)))
>
> (println (objects-at :garden *objects* *object-locations*))
>
> Why the result is empty? Shouldn't it be (bottle bucket)?
>
> Thanks for help and time.
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