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 <kab...@gmail.com <javascript:>> 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) >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clo...@googlegroups.com >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Clojure" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > >
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