Google brought this up in 2020 Try (comp - compare)
On Tuesday, December 23, 2014 at 10:04:35 AM UTC-7 julian...@googlemail.com wrote: > That's awesome! (though I'm slightly surprised there isn't an easier way). > > Thanks. > > > On Tuesday, 23 November 2010 21:03:37 UTC, Tyler Perkins wrote: >> >> Nice! And with just a bit more, we have a clean, sorting DSL: >> >> (def asc compare) >> (def desc #(compare %2 %1)) >> ;; compare-by generates a Comparator: >> (defn compare-by [& key-cmp-pairs] >> (fn [x y] >> (loop [[k cmp & more] key-cmp-pairs] >> (let [result (cmp (k x) (k y))] >> (if (and (zero? result) more) >> (recur more) >> result))))) >> >> (sort (compare-by :last-name asc, :date-of-birth desc) coll) > > -- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/clojure/769d3b44-e1dc-43f4-8728-7ecfdce86e79n%40googlegroups.com.