reflection warning with threading macro
This gives me a reflection warning: (.write out ^String (- slist meta :hex)) This does not: (.write out ^String (:hex (meta slist))) = (clojure.walk/macroexpand-all '(- slist meta :hex)) (:hex (meta slist)) What's going on? Is there some other way to type hint the case with the threading macro? -- -- 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/groups/opt_out.
Re: reflection warning with threading macro
My guess would be the ^String is attached to the following expression in both cases but the macro-expansion process loses that metadata... On Tue, Oct 15, 2013 at 10:51 AM, Brian Craft craft.br...@gmail.com wrote: This gives me a reflection warning: (.write out ^String (- slist meta :hex)) This does not: (.write out ^String (:hex (meta slist))) = (clojure.walk/macroexpand-all '(- slist meta :hex)) (:hex (meta slist)) What's going on? Is there some other way to type hint the case with the threading macro? -- -- 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/groups/opt_out. -- 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 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/groups/opt_out.
Re: reflection warning with threading macro
Brian Craft craft.br...@gmail.com writes: What's going on? Is there some other way to type hint the case with the threading macro? I’m pretty sure this is CLJ-865 “Macroexpansion discards form metadata”: http://dev.clojure.org/jira/browse/CLJ-865 In which case you’ll need to use an alternative form of the code in order to attach the type-hint to e.g. a local. At least until 1.6... -Marshall -- -- 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/groups/opt_out.
