Macros won't work because they are expanded at compile-time. We want to choose the method at runtime.
Thanks, Ambrose On Thu, May 21, 2015 at 9:02 AM, Keith Irwin <ke...@zentrope.com> wrote: > Not sure if this helps, but: > > user => (eval (symbol "Math" "PI”)) > 3.141592653589793 > > user => (eval `(. ~(resolve (symbol "String")) ~(symbol "format") "%s" > (to-array ["adasd"]))) > “adasd" > > Maybe a macro of some sort? > > (defmacro invoke-static > [c meth & args] > `(. ~(resolve (symbol c)) ~(symbol meth) ~@args)) > > user => (invoke-static "java.lang.String" "format" "the %s" (to-array > ["foo"])) > “the foo" > > user=> (invoke-static "System" "currentTimeMillis") > 1432170076378 > > That kind of thing? > > On May 20, 2015, at 4:54 PM, Pierre Thibault <pierre.thibau...@gmail.com> > wrote: > > I gave it a try: > > (.. (class String) (getMethod "format" (into-array Class [String > (Class/forName "[Ljava.lang.Object;")]))) > > But I am unable to get the method. I gave up. > > Le mercredi 20 mai 2015 19:12:05 UTC-4, Pierre Thibault a écrit : >> >> Hi Laurens, >> >> My example was not very good. Here another one: >> >> (.format (first '(String)) "%s" "foo") >> >> Imagine String is obtained dynamically. I guess then I have to use Java >> reflection to do a dynamic invocation. I guess I am confused because >> classes in Java are not objects. >> >> Le mercredi 20 mai 2015 18:40:13 UTC-4, Laurens Van Houtven a écrit : >>> >>> Hi Pierre, >>> >>> On May 20, 2015, at 3:38 PM, Pierre Thibault <pierre.t...@gmail.com> >>> wrote: >>> >>> I can do Math/PI put how can I access PI if Math is in a expression like >>> '(Math) for example? >>> >>> >>> Can you provide a more specific example? Math/PI is always Math/PI, it >>> doesn’t change if you put it in a nested form/expression. >>> >>> hth >>> lvh >>> >>> -- >>> 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 >>> 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 >>> 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. >>> 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. > > > -- > 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. > -- 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.
