Sorry, I was not precise enough. I meant why is this pattern not used in all of *clojure.core*.
Every function that takes a variable number of arguments could use it but I only saw it in the mentioned cases. On Tuesday, October 2, 2012 10:29:15 PM UTC+2, Tamreen Khan (Scriptor) wrote: > > My guess is that it's useful in the core functions which are more > heavily used. Otherwise you're getting into premature optimization if > you use it in any of your own functions without profiling it first. > > On Tue, Oct 2, 2012 at 4:18 PM, Balint Erdi <balin...@gmail.com<javascript:>> > wrote: > > Makes sense but why don't we have it in all possible places then? > > > > Thank you. > > > > > > On Tuesday, October 2, 2012 9:55:42 PM UTC+2, Herwig Hochleitner wrote: > >> > >> That is because dispatch on argument count is fast, while apply is > slow. > >> Especially so since it might have to create an intermediate seq. > >> It's a performance optimization. > >> > >> kind regards > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clo...@googlegroups.com<javascript:> > > Note that posts from new members are moderated - please be patient with > your > > first post. > > To unsubscribe from this group, send email to > > clojure+u...@googlegroups.com <javascript:> > > 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
