On Tue, Dec 10, 2013 at 4:25 AM, Phillip Lord <phillip.l...@newcastle.ac.uk>wrote:
> (defn ^IRI iri > [name] > (cond > (instance? String name) > (IRI/create ^String name) > (instance? java.net.URL name) > (IRI/create ^java.net.URL name) > (instance? java.io.File name) > (IRI/create ^java.io.File name))) > > which is a lot longer and, well, just not very nice. I could make this > neater with a macro -- something like... > > (with-types [String, URL, File] > (IRI/create name)) > > which would expand into the cond form above. But the instance? checks > seem not ideal. Is there a better solution? > You could create and extend an "IIriCreate" protocol to String, URL, and File. I'd like to point out that Java doesn't provide a clean way to handle this either. -- -- 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.
