Hi, Partial calls apply, so it's not as performant as #(..). That can make quite the difference depending on where it's used. All instances of partial were removed recently in carmine/nippy and that resulted in quite a performance improvement.
On Tuesday, August 13, 2013 2:47:01 PM UTC+2, Jay Fields wrote: > > Say you have a simple function: (defn do-work [f] (f)) > > When you want to call do-work you need a function, let's pretend we > want to use this function: (defn say-hello [n] (println "hello" n)) > > Which of the following solutions do you prefer? > > (do-work (partial say-hello "bob")) > (do-work #(say-hello "bob")) > > I'd been using partial (which I font-lock**), but a teammate recently > pointed out that partial's documentation explicitly calls out the fact > that the number of args to partial should be less than the number of > args to f. In practice it's been working 'fine', but I can't help but > wonder if I'm sacrificing something I'm not aware of (performance?) > > ** with a font-lock, using partial *displays* the same number of chars > as the reader macro solution, and I find it more readable when > everything is in the parenthesis. - > http://blog.jayfields.com/2013/05/emacs-lisp-font-lock-for-clojures.html > -- -- 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/groups/opt_out.
