Thank you gary! (Hope to see soon again :) )
On Friday, August 14, 2015 at 1:30:08 PM UTC+2, Gary Verhaegen wrote: > > Once you've AOT compiled that (which is necessary for the class to be > actually generated), slurp won't be called again. Beware, however, that > `def` (and hence `slurp`) will be executed by the compiler, at compile > time, in the context (classpath, cwd, etc.) of the compiler, which may not > be what you want. > > Note that you can easily test that by replacing your def with: > > (def parser > (do (println "def parser executed") > (slurp ".....))) > > If you want the parser to be slurped once per execution, you can use an > atom and a function, something like: > > (let [p (atom nil)] > (defn parser > [] > (swap! p (fn [p] (if (nil? p) (slurp "....") p))))) > > You can then access your parser with (parser), which will only slurp the > file once. (If it matters, there are alternatives that will not keep on > paying the atom update cost.) > > > > On 14 August 2015 at 10:59, Thomas Goossens <con...@thomasgoossens.be > <javascript:>> wrote: > >> When a java class uses the compiled Test (gen-class) from test namespace. >> Everytime the static function -run is called, will parser be slurped again >> or only once ? >> >> (ns test (:gen-class :name Test :methods [ ^:static [run >> [] String])) (def parser (slurp "......")) >> >> (defn -run [] ;... do something with parser ) >> >> >> >> -- >> 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. >> > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com 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+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
