defprotocol is a new feature of Clojure 1.2. A fantastic RC3 of this fantastic software is available.
A good way to get it is to use the amazing Leiningen. On Tue, Aug 17, 2010 at 7:17 AM, Henrik Mohr <lupos...@gmail.com> wrote: > Hi there! > > I'm a completely new newbie in the clojure sphere - old dog in Java > and a handful of other languages. > But Clojure is my first (new) functional language, and I'm very > excited about it - complements on your word Rich et. al.! :-) > > To learn clojure I've started with the (beta) book "Seven Languages in > Seven Weeks" by Bruce Tate (pragprog.com) - great book by the way. > He's got a section called "defrecord and protocols" where he's got > this example: > > (ns tate.compass) > (defprotocol Compass (direction [c]) (left [c]) (right [c])) > > The problem for me is this: When I run the code I get this error > message from the "REPL": > java.lang.Exception: Unable to resolve symbol: defprotocol in this > context (NO_SOURCE_FILE:4) > > I'm using the stable version of clojure 1.1 and clojure contrib 1.1. > I'm on OSX 10.6.4 and Apple JDK 1.6.0_20-b02-279-10M3065. > > Please help! I'm stuck, and I don't want to procede (for too long) > until I figure out why I get this error ;) > > Thanks in advance. > > Kind regards, > Henrik Mohr > > -- > 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 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
