people are paying a lot of attention to "pure" functional languages, which I think mean ones that don't ever destroy data structures out from under people pointing at them. Instead, people who need different views just get their own different views -- possibly reusing common components.
This other thing called "lazy" seems to mean that you don't need to do any work until someone asks for the results. . . .and then you do the minimum amount of work that's being asked for. I've heard of a Unix analogy: if you do a grep of just the first 5 times some pattern occurs, the whole pipeline can shut down after those 5 are found. The leading 'grep' needn't actually keep scanning the file (incidentally, I'm not sure that works right on windows/DOS pipes, where a copy of the whole file is sent across the pipe before even finding out what's being asked for). I'm hoping that "doall" gets rid of the laziness folks take a lot of pride in . . . .and makes it work like DOS. Otherwise, the timing won't really work. I'm asking with this question whether the contrib version is still being lazy and returning to (time) without doing much . . . and if so, how can I force it to actually do the work? On Sun, Jan 25, 2009 at 11:04 AM, Emeka <emekami...@gmail.com> wrote: > Hi e, > > I'm still learning the basics, very much like you( I guess you are ahead of > me in Clojure). However, I have a question for you and not an answer to your > questions. Why do you have doall here (def l1 (doall (take 50000 > (repeatedly #(rand-int 3000))))) . From my little knowledge of Clojure, take > 50000 would cause 'repeatedly' to be limited to 50000 times and (repeatedly > #(rand-int 3000) is an argument of take , so (take 50000 (repeatedly > #(rand-int 3000) given same results as your (doall (take 50000 > (repeatedly #(rand-int 3000)))) and by adding doall you are just increasing > 'noise', that's my 2 cents. > Doall , do, dorun are used in calling multiple functions(I hope am like > :)), like (do (doo noot) (move "niger delta")) ......... > > Emeka > > > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---
