Hi, Am 15.11.2010 um 17:52 schrieb Chris:
> If you have a function that needs to treat multiple arguments as a > group, what forces drive you to represent this as a single sequence > argument vs. an "&" argument? To give a concrete example, why does > "+" work like > > (+ 1 2 3 4) > > instead of > > (+ [1 2 3 4]) > > Is it performance? Aesthetics? Composability concerns? Not having > to call "apply" all the time? Semantics? + is a binary operator. Allowing more arguments is a convenience I guess. The mathematically honest definition would have arity 2. Eg. filter on the other hand acts on a sequence. That's why it is not defined as (filter even? 1 2 3 4). (See also map for example where apply wouldn't help.) Does this make sense? Sincerely Meikel -- 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
