The test clauses of case expressions are not evaluated, so that case is trying to "match" the symbol 'FetcherEvent/EVENT_TYPE_FEED_POLLED, not the value of FetcherEvent/EVENT_TYPE_FEED_POLLED.
Paul Butcher writes: > I'm sure I'm missing something very simple here, but I'm damned if I can see > it. > > I'm trying to use the Java Rome RSS/Atom utility library from Clojure. The > Rome Fetcher library defines a FeedEvent class, which among other things > defines a number of static final string members: > > https://github.com/rometools/rome-fetcher/blob/master/src/main/java/org/rometools/fetcher/FetcherEvent.java#L17 > > Using the following simple project.clj: > > (defproject rsstest "1.0" > :dependencies [[org.clojure/clojure "1.5.1"] > [org.rometools/rome-fetcher "1.2"]]) > > I see the following: > > user=> (import 'org.rometools.fetcher.FetcherEvent) > org.rometools.fetcher.FetcherEvent > user=> FetcherEvent/EVENT_TYPE_FEED_POLLED > "FEED_POLLED" > user=> (case FetcherEvent/EVENT_TYPE_FEED_POLLED > #_=> FetcherEvent/EVENT_TYPE_FEED_POLLED :ok) > IllegalArgumentException No matching clause: FEED_POLLED user/eval1132 > (NO_SOURCE_FILE:1) > > For some reason, case doesn't seem to be able to match on a static final > String member of a Java class? > > Everything works fine if I use the literal string value though: > > user=> (case FetcherEvent/EVENT_TYPE_FEED_POLLED > #_=> "FEED_POLLED" :ok) > :ok > > I'd be very grateful for any guidance as to what's going on here? > > -- > paul.butcher->msgCount++ > > Silverstone, Brands Hatch, Donington Park... > Who says I have a one track mind? > > http://www.paulbutcher.com/ > LinkedIn: http://www.linkedin.com/in/paulbutcher > Skype: paulrabutcher > > > > > -- -- -- 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.
