Ah, great! And of course the piece I as missing is that nil and Object get supported via extend. Makes sense now given that that was the section of the doc, but it didn't click the first time through.
On Apr 22, 2:54 pm, Stuart Halloway <stuart.hallo...@gmail.com> wrote: > A good place to look for examples is protocols.clj and gvec.clj in > clojure itself. protocols.clj includes an example of implementing a > protocol on nil. > > Stu > > > > > > > On protocols: > > - doc string coming after the arg vecs seems odd. I'm used to putting > > them after the "name" of whatever I'm working on. > > > On protocols doc: > > - "You can implement a protocol on nil ... Object": could you > > elaborate on how these work and/or provide examples? I think this will > > solve the one problem I was running into earlier. > > - "given a protocol my.ns/Protocol, an interface my.ns.MyProtocol": > > the final segments don't match. > > > On Apr 22, 9:53 am, Rich Hickey <richhic...@gmail.com> wrote: > >> I have been doing some work cleaning up the design and implementation > >> of datatypes and protocols in preparation for the 1.2 release. Some > >> notable changes for those who have been working with the earlier > >> versions: > > >> deftype/reify now take an explicit 'this' argument in method sigs. > >> The :as option is gone. > > >> There is a new datatype construct, defrecord. defrecord includes the > >> implementation of persistent map, and the IPersistentMap magic of > >> deftype is gone. > > >> deftype and defrecord create named classes, even in non-AOT use. > >> There > >> is no factory fn created, instead you can just call the constructor. > > >> The types for defrecord, deftype and definterface are automatically > >> imported into the defining namespace. > > >> Substantial performance improvements to extend, and to higher-order > >> use of protocol fns. > > >> In addition, I have started documenting these on the clojure.org > >> site, > >> and you should use this documentation instead of the wiki design > >> docs, > >> which will not be maintained. > > >>http://clojure.org/protocolshttp://clojure.org/datatypes > > >> Please note that these are just higher-level descriptions, and > >> contain > >> links to the detailed function docs, which are a must-read prior to > >> use. > > >> Feedback and errata welcome as always, > > >> Rich > > >> -- > >> 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 > >> athttp://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 > > -- > 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 > athttp://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
