Something like this would work:
(persistent!
(reduce
(fn [r x] (assoc! r x "-"))
(transient {})
(range 100)))
Which is just:
(reduce
(fn [r x]
(assoc r x "-"))
{}
(range 100))
...but with transient applied to the input, and persistent! applied to the
output.
On Thu, Mar 6, 2014 at 2:49 PM, Andy Fingerhut <andy.finger...@gmail.com>wrote:
> 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 <sku...@gmail.com>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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