What your code is doing is sometimes called "bashing transients in place".
See some discussion here:
http://clojuredocs.org/clojure_core/clojure.core/assoc!

As explained there, you should always use the return value of assoc!, just
as you would always use the return value of assoc.

Andy


On Thu, Mar 6, 2014 at 6:17 AM, Sergey Kupriyanov <[email protected]> wrote:

> Try to use transient map, but it has size limit to 8 keys.
>
> (let [hm (transient {})]
>   (doseq [x (range 100)]
>     (assoc! hm x "-"))
>   (persistent! hm))
>
> > {0 "-", 1 "-", 2 "-", 3 "-", 4 "-", 5 "-", 6 "-", 7 "-"}
>
> What's wrong with my code?
>
> I think it is a bug.
> Transient map don't change type from PersistentArrayMap to
> PersistentHashMap.
>
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