Oh, I didn't understand this line before. Now I see my error, thank
you.
On Oct 21, 6:27 pm, Jürgen Hötzel <juer...@hoetzel.info> wrote:
> 2010/10/21 andrei <andrei.zhabin...@gmail.com>:
>
>
>
>
>
> > (defn test []
> > (let [transient-map (transient {})]
> > (doseq [i (range 100)]
> > (conj! transient-map {i (str i)} ))
> > (persistent! transient-map)))
>
> > I expect that it will produce:
>
> > { 0 "0", 1 "1", 2 "2", ..., 99 "99"}
>
> > but it gives only
>
> > {0 "0", 1 "1", ..., 7 "7"}
>
> > i.e. only first 8 elements.
> > Is it a bug or I do something wrong?
>
> See:http://clojure.org/transients
>
> "...Note in particular that transients are not designed to be bashed
> in-place. You must capture and use the return value in the next call."
>
> Also consider using "assoc!" and recursion:
>
> (defn test []
> (loop [transient-map (transient {})
> i 0]
> (if (< i 100)
> (recur (assoc! transient-map i (str i)) (inc i))
> (persistent! transient-map))))
>
> Jürgen
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