On Sat, Feb 18, 2012 at 1:29 PM, ClusterCat <[email protected]> wrote: > (ns test (:import (java.io File)))
This says import the File class from the package java.io > (ns test (:import (java.io.File))) Try: (ns test (:import java.io.File)) > (let [filename (first *command-line-args*)] > (println filename) > (let [file (File. filename)]))) > > > I get an > "Reflection warning, X:\workspace\ClojureTest\bin\test.clj:9 - call to > java.io.File ctor can't be resolved." > which I also don't understand. Clojure relies on type hints to avoid reflection - introspecting Java class types to figure out calls. If you add ^String in let binding for filename, it should remove the warning: (let [^String filename (first *command-line-args*)] ... HTH? -- Sean A Corfield -- (904) 302-SEAN An Architect's View -- http://corfield.org/ World Singles, LLC. -- http://worldsingles.com/ "Perfection is the enemy of the good." -- Gustave Flaubert, French realist novelist (1821-1880) -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/clojure?hl=en
