I think this would necessitate an added layer of indirection and reflection, which would mean taking a performance hit.
On Mon, Aug 31, 2009 at 2:54 PM, Stuart Sierra<the.stuart.sie...@gmail.com> wrote: > > That's a clever trick. How does the block know which interface method > was invoked? > -SS > > On Aug 31, 2:41 pm, rb <raphi...@gmail.com> wrote: >> Hi, >> >> After using Jwt from Clojure, I did it with Jruby and discovered that >> Jruby has what they call Closure Conversion (http://kenai.com/projects/ >> jruby/pages/CallingJavaFromJRuby#Closure_conversion ) where a Ruby >> block or closure is converted to an appropriate Java interface. From >> the wiki: "When calling a method that expects an interface, JRuby >> checks if a block is passed and automatically converts the block to an >> object implementing the interface". >> >> I found this to be unbelievably easy to use and efficient (for the >> developer) as the listener is added this way: >> button.clicked.add_listener(self) do >> greeting_.setText(nameEdit_.getText) >> end >> >> There's no need for the developer to implement any interface or manage >> any proxy object. >> I wondered if something similar is possible in Clojure. If not, would >> this be considered a valuable addition to Clojure? >> >> Thanks >> >> Raphaël > > > -- And what is good, Phaedrus, And what is not good— Need we ask anyone to tell us these things? --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
