Ah, laziness... thanks Christophe. For my particular application laziness doesn't matter (so that hadn't occurred to me) but that's a good general principle to keep in mind.
Thanks, Chris On Tue, Nov 16, 2010 at 11:31 AM, Christophe Grand <christo...@cgrand.net> wrote: > Hi, > > On Tue, Nov 16, 2010 at 5:21 PM, Chris Maier <christopher.ma...@gmail.com> > wrote: >> >> That makes sense... thanks, Meikel. >> >> Maybe my example of + wasn't the best, given its mathematical nature. >> >> Here's my situation: I'm writing some software to analyze some protein >> datasets, part of which entails generating a Venn diagram of their >> intersections. Each dataset has a unique name, and my function looks >> up the data by this name in a database. Right now the function takes >> a single "&" parameter of "datasets"; you give it as many dataset >> names as you want, and it gives you the intersection breakdown. >> Internally, this function just treats "datasets" like the sequence it >> is. >> >> So I guess a better way to state my question would be this: if you >> only have a function that operates on a sequence of items, and it >> could be written either as >> >> (def foo [& stuff] ... ) >> >> or >> >> (def foo [stuff] ... ) ;; where 'stuff' is a sequence >> >> are there any concerns besides (for lack of a better term) the >> "ergonomics" of calling such functions that should influence which >> signature to use? > > If you really want to treat your sequence lazily pass it explicitely and not > as varargs. > > You can also provide both: clojure.core has #'conj and #'into for example. > > hth, > > Christophe > > -- > 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 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
