Thanks. Yeah, after adding a call to shutdown-agents, the process no longer hangs.
On Nov 25, 1:15 pm, Kevin Downey <redc...@gmail.com> wrote: > future also uses the same threadpool as agents, so once you call > future the threadpool spins up, and just sort of sits around for a > while before the jvm decides to exit, which is why the program would > sit around for 50 seconds > > > > On Wed, Nov 25, 2009 at 10:30 AM, Hong Jiang <h...@hjiang.net> wrote: > > Thanks for your replies David and Sean. Yes, I made a mistake thinking > > that future takes a function and its arguments, so the function was > > never called in my program. > > > On Nov 25, 8:21 am, David Brown <cloj...@davidb.org> wrote: > >> On Tue, Nov 24, 2009 at 09:04:38PM -0800, Hong Jiang wrote: > >> >Hi all, > > >> >I'm new to Clojure and playing with small programs. Today I wrote a > >> >snippet to figure out how future works: > > >> >(defn testf [] > >> > (let [f (future #(do > >> > (Thread/sleep 5000) > >> > %) > >> > 5) > >> > g 7] > >> > (+ g @f))) > > >> You don't ever evaluate the function containing the sleep, you just > >> create it, and then immediately return 5. > > >> Future contains an explicit do, so you can just do the steps in the > >> future: > > >> [f (future > >> (Thread/sleep 5000) > >> 5) > >> ... > > >> Or, if you want to get the function call in, you'll need to call it: > > >> [f (future (#(do (Thread/sleep 5000) %) 5)) ...] > > >> David > > > -- > > 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 > > -- > And what is good, Phaedrus, > And what is not good— > Need we ask anyone to tell us these things? -- 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
