On Mon, Feb 7, 2011 at 3:30 PM, Ken Wesson <kwess...@gmail.com> wrote: > On Mon, Feb 7, 2011 at 2:49 PM, Andrew Gwozdziewycz <apg...@gmail.com> wrote: >> On Mon, Feb 7, 2011 at 2:16 PM, Ken Wesson <kwess...@gmail.com> wrote: >>> Can't you just use extend-protocol to group your protocol >>> implementations for each record type in one place? >> >> That certainly works, but it's really not much different than: >> >> (defrecord Bar [x y] >> Foo >> (bar [_] ...) >> (baz [_] ...) >> >> which is what I'm trying to avoid. >> >> It seems to me that the only reason that specifying the entire >> implementation together is to avoid situations where the >> implementation is not completely defined. >> >> See, I'm less concerned about implementing the Protocol than I am >> about creating "functions" that are dispatched by type, and since they >> have to have the same argument list, I see no reason why that >> boilerplate can't be eliminated. >> >> Perhaps one solution for me is to write a macro that constructs a >> protocol (and extends it to types) out of the definitions provided.. >> sort of a hybrid of extend-protocol and defp from before. >> >> (defwhatever Foo >> (bar [_] >> String (body) >> Character (body)) >> (baz [_] >> String (body) >> Character (body))) >> >> Which gets me to where I ultimately want to be (methods defined >> together per type extended too), but not quite what I'm really looking >> for. > > Now it sounds like you might want a plain old multimethod.
It'd be more easily done with multimethods, sure, but since they all implement both methods, there's no reason to not use protocols. See the dilemma? > -- > 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 -- http://www.apgwoz.com -- 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
