Just to be clear, is (String.) a macro? I thought it was just a special form.
On Mon, Jun 8, 2009 at 3:47 PM, Stephen C. Gilardi <squee...@mac.com> wrote: > > On Jun 8, 2009, at 12:38 PM, ronen wrote: > > user=> (-> String. String.) > java.lang.ClassNotFoundException: String. (NO_SOURCE_FILE:7) > > expanding the macros involved seems to reveal the issue: > > user=> (macroexpand-1 `(-> String. String.)) > (java.lang.String. java.lang.String.) > > the "." macro isn't expanded. > > > The trailing dot syntax is used for creating an object given a class name: > > (String.) > > creates a String object. > > Nested macros work fine. What were you hoping the above expressions would > expand to? > > Here's an example of -> in action: > > (-> (System/getProperties) (.get "java.class.path") .toUpperCase (nth 3) > int (* 2)) > > --Steve > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
