You can easily code positional keyword parameters yourself. It takes only a few minutes for a basic version. Here's an admittedly not very pretty example:
http://gist.github.com/360145 -Per On Thu, Apr 8, 2010 at 9:13 PM, Sophie <itsme...@hotmail.com> wrote: > On Apr 7, 7:56 am, David Nolen <dnolen.li...@gmail.com> wrote: >> The runtime cost of destructuring is not worth getting worked up >> about. It's easy to check this yourself with (time ...) > > Results below: > > user=> (defn fk [& {:keys [a b c]}] (+ a b c)) > > user=> (defn fp [a b c] (+ a b c)) > > user=> (time (dotimes [_ 1000000] (fk :a 2 :b 2 :c 2))) > "Elapsed time: 1582.178 msecs" > > user=> (time (dotimes [_ 1000000] (fp 2 2 2))) > "Elapsed time: 319.243 msecs" > > Not sure how significant that would be in user code, but I'd rather > not have to choose less a less readable version because of the hit. > Positional keywords would give the readable function calls without the > run-time hit (and we could still use optional &keys if they were > somehow distinguished in the function calls). > > -- > 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 To unsubscribe, reply using "remove me" as the subject.
