My god, you save me. Thanks!
2015년 4월 25일 토요일 오후 12시 48분 25초 UTC+9, James Reeves 님의 말:
>
> (str nil)
> => ""
> (type nil)
> => nil
> (str (type nil))
> => ""
>
> Rather than use `str`, try using `pr-str` to get a more accurate
> representation of the data:
>
> (pr-str nil)
> => "nil"
>
> - James
>
> On 25 April 2015 at 03:23, 임정택 > wrote:
>
>> Hello, Clojure users.
>>
>> I'm a beginner of Clojure, so it could be a dumb question.
>>
>>
>> I'm playing with Apache Storm, and I leave below line to see tuple value
>> when something is wrong.
>>
>>
>> (log-warn "Can't transfer tuple - task value is null. tuple type: " (type
>> tuple) " and information: " tuple)
>>
>>
>> log-warn is defined...
>>
>>
>> (ns backtype.storm.log
>>
>> (:require [clojure.tools [logging :as log]]))
>>
>>
>> (defmacro log-warn
>> [& args]
>> `(log/warn (str ~@args)))
>>
>>
>> But it prints like...
>>
>>
>> 2015-04-23T14:46:59.517+0200 b.s.d.worker [WARN] Can't transfer tuple - task
>> value is null. tuple type: and information:
>>
>>
>> Evaluated value of (type tuple) and tuple value (maybe toString()?) doesn't
>> printed.
>>
>> Is this possible? If possible, please let me know what type the tuple can be.
>>
>>
>> Thanks!
>>
>>
>> Regards.
>>
>> Jungtaek Lim (HeartSaVioR)
>>
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>
>
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