Ah! I was passing `apply` a list who's first element was a symbol, rather than the function itself.
Got it. Thanks Ambrose and Ben! On Wednesday, March 18, 2015 at 5:10:45 PM UTC-4, Ambrose Bonnaire-Sergeant wrote: > > [vector] is a vector with the vector predicate. > > '(vector) is a vector with the symbol 'vector. > > `(~vector) is similar to what [vector] gives you. > > On Wed, Mar 18, 2015 at 5:01 PM, John Gabriele <jmg...@gmail.com > <javascript:>> wrote: > >> I see that you can pass extra args to `apply` --- between the func and >> the coll args --- and `apply` will prepend the extras to the coll before >> proceeding. For example, these all work: >> >> (apply + [1 2 3 4]) >> (apply + 1 2 [3 4]) >> (apply + 1 2 '(3 4)) >> >> While thinking about how the following works: >> >> ~~~ >> (apply map vector [[:a :b :c] >> [:i :j :k] >> [:x :y :z]]) >> ~~~ >> >> I found this: >> >> ~~~ >> some-app.core=> (apply map [vector [:a :b :c] [:i :j :k] [:x :y :z]]) >> ([:a :i :x] [:b :j :y] [:c :k :z]) >> >> some-app.core=> (apply map '(vector [:a :b :c] [:i :j :k] [:x :y :z])) >> ArityException Wrong number of args (3) passed to: Symbol >> clojure.lang.AFn.throwArity (AFn.java:429) >> ~~~ >> >> Why does it fail when I pass a list there instead of a vector? >> >> -- >> 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 unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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. For more options, visit https://groups.google.com/d/optout.
