On Sat, Nov 21, 2009 at 8:47 PM, David Brown <cloj...@davidb.org> wrote:
> On Fri, Nov 20, 2009 at 03:54:45PM -0800, Mike Hinchey wrote: > >It's the . special form that makes the difference. In (. System > >(getProperty)), the dot interprets System as a class and looks for a > static > >method (at read/compile time). With (identity System), System resolves to > a > >value, a Class object, returned by identity, then your outside dot looks > for > >a getProperty instance method on that object(fallback to reflection, which > >fails) - it's like writing System.class.getProperty in java. There is no > >syntax for clojure to lookup a static method on a dynamically resolved > class > >object because that is inherently reflection - dot is not about > reflection, > >though it will do it as a last resort. > > So, if I've acquired a dynamically resolved class and want to invoke a > static method, is my only choice to manually use reflection? No. You can also use eval, or if the class name is resolved by macroexpansion time, a macro. My preference order would be macro (if applicable) > reflection API calls > eval -- 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
